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Rules and Regulations
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1,950 Limited Mini Rod
1,950 Limited Mini Rod
All vehicles are required to have an SFI 47.3 spec roll cage. Vehicles are limited to the following weight/cubic inch combination.
Class weights:
1,950; 8-71 blower max, 380 ci max.
2,000; N/A big block, any ci, and small block W/6-71 blower 380 ci max.
2,050; N/A small block, any ci.
General Rules:
Brakes:
1.) All competing tractors must be equipped with working rear brakes.
2.) All driveline brakes must have a minimum of 3/8 steel, 360 degrees around brake components.
Drawbars:
1.) Drawbar height to be a maximum of 13 at the inside back of the hole
(hook point).
2.) Drawbar must have a minimum of 1 ½ diameter hole.
3.) No portion of the tractor may interfere with the sled, chain, or hook during a pull, or while being hooked or unhooked.
4.) Drawbar hitching point bolt must be a minimum of a ½ bolt, grade 8.
5.) Solid drawbar is required. A solid one piece hitch of minimum 1 solid steel with a minimum of a 1 ½ hole.
6.) Drawbar must be a minimum of 6 long to hook point from the center of the rear axle, with a maximum of 18 long to hook point.
7.) Tip over bars are to be separate from the drawbars.
Flywheel and Clutch Shielding:
1.) Flywheel and clutch assembly must be covered with a bellhousing meeting S.E.M.A. standards. No holes allowed in the bellhousing except one cooling hole, max. of 1 diameter on the face. Bellhousing must be flush on the face and use the blocksaver plate.
2.) All automatic transmissions must be covered with S.E.M.A. approved safety blanket and/ or shield. MANDATORY: The bellhousing must be covered with a S.E.M.A. approved flywheel flex plate shield, or a steel shield that is 3/16 thick by 3 wide.
3.) No Cast Iron Flywheels
4.) All planetary gearboxes must be covered with a S.E.M.A. approved blanket or shield.
Chassis:
1.) All tractors shall have wide front axles. Front wheels shall track within
rear wheels.
2.) No portion of any tractor shall exceed 8 feet forward of the center of
The rear wheels, except for the tow ring.
3.) No portion of the tractor shall exceed 6 feet in width.
4.) All weights must be safely secured to the vehicle.
5.) There will be a minimum of 2lbs. air pressure in each rear tire.
Engines:
1.) All tractors require side plates the length of the engine block, 6 above
and below the crankshaft centerline, made of 1/8 aluminum or 1/16 steel.
2.) Side shields must be mounted independently of the engine block.
3.) All blow tubes must exit forward or the rear wheels.
4.) All tractors must be equipped with a mechanical throttle linkage with a return to idle springs. No hydraulic throttle linkages are allowed.
5.) All fans and stock type harmonic balancers must be wrapped 360 degrees with 1/16 steel of 1/8 aluminum, and with a crossbar on the front.
6.) One-piece harmonic balancers and SFI approved harmonic balancers must be bolted to the crank with a minimum grade 8 bolt.
7.) Fuel injection engines must have a fuel shut-off valve within reach of the driver when seated.
8.) All superchargered engines must use SFI Spec. 14.1 blower restraints. Supercharger drive components must be shrouded top and sides with minimum 0.060 steel. Blower shield must be wider than all components, idler belt, pulleys, etc. and be securely mounted.
9.) All turbochargers must be completely shrouded, except for the inlet and exhaust pipes, with minimum 0.060 steel.
Fuel:
1.) Methanol or Gasoline
10,000 Pro Farm
1. Weight 10,000 lbs.
2. Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3 diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.
3. Brakes - All tractors must have working rear brakes capable of sliding the rear tires.
4. Drawbar - Must be a minimum of 18 inches behind center of rear axle, a maximum of 20 inches in height, and be ridged in all directions. Hitching eye to be a minimum of 1 inch thick with a 3 by 3.5 inside diameter hole.
5. Stabilizer Bars - Stabilizer bars are required (no wheels allowed). The stabilizer bars cannot be bolted, welded, etc. to the drawbar in any way. The stabilizer bars must extend a minimum of 32 inches rearward from the center of the rear axle. The skid pad cannot be more than 10 inches off of the ground. The skid pad must be a minimum of 5 X 5 square. A minimum of 20 inches is allowed between the 2 skid pads. No cross bars are allowed on the stabilizer bars behind the point of hook. In addition to stabilizer bars, the vehicle must have a brace that extends vertically 12 from the rear most tip of skid pads. There must be a support brace extending inward to frame, axle or top of stabilizer bar arms. Materials used must be of minimum strength of materials used for stabilizer bars. Design and material must withstand severe impact of sled. Vertical brace should extend rearward a minimum 2 from radius of rear tires.
6. Chassis - Maximum of 114 wheelbase unless originally produced with a longer wheelbase at which point the wheelbase will remain stock. Maximum length of 13 feet from center of rear axle to forward-most point of vehicle excluding the front hitch.
7. Tires - 20.8-38, 20.8-42 or 18.4-42 Cut tires allowed. Aluminum rims allowed. ECMTPA tractors can run 23.1 x 34, and NWMTPA tractors can run 24.5 x 32.
8. RPM - 3000 RPM maximum below 470 c.i.d., 3200 RPM maximum below 430 c.i.d. P-pump or 470 c.i.d. A-pump larger than 11.5 mm, 3500 RPM maximum below 470 c.i.d. with A-pump 11.5 mm or smaller barrell limit. Vehicle must have an ISSPRO #019R8906 magnetic pickup attached to the front of the engine to measure engine RPMs. The lead from the pickup to the rear of the vehicle is to be made of 14-16 gauge wire attached to a 110V, 3 prong female electrical outlet. The 2 wires from the pickup need to be attached to the 2 main spades, not the ground spade, of the electrical outlet. This outlet receptacle needs to be mounted next to the rear mounted air shutoff cable. Wire must be one (1) continuous wire outside the side rails and visible. NO SPLICES.
9. Fuel Pump - Bosch P series pump allowed. 13mm plunger diameter maximum. Only one plunger per cylinder allowed.
10. Engine - OEM stock block, head, intake manifold & exhaust manifold must be used for make and model of vehicle being entered. No aftermarket components allowed.
11. Cubic inch - 466 CID maximum.
12. Turbo - 3.0 maximum diameter of intake hole. Map width enhancement grooves allowed. No restriction on exhaust wheel size. Exhaust housing mounting pattern must not be any larger than 2.75 X 3.5.
13. Fuel - Diesel fuel only. Water injection allowed. NO INTERCOOLERS OF ANY SHAPE OR FORM ARE ALLOWED IN THE AIR INTAKE SYSTEM OF ANY TRACTOR!!!!!!!
14. Neutral Start VEHICLES MUST NOT START IN GEAR!!!!!!!!!
15. Air Shutoff - Vehicle must have a cable operated engine air intake shutoff device. Device cannot be a butterfly type and must be spring loaded. Cable must be located approximately 4 feet above the point of hook and within 6 inches of the center of the vehicle. Device must prevent the engine from building boost. The sled requires a 2 inch ring or equivalent be attached at the end of the cable. Mount cable in clear view. Do not mount below weights.
16. Dump Valve - A 3-way fuel dump valve is required ahead of the injection pump. This valve is to be operated by a cable on the dash.
17. Throttle - Throttle lever must have a spring installed such that if the throttle lever is released, the engine will return to an idle. Throttle must function such that moving the throttle lever forward, increases the engines RPM.
18. Clutch - Clutch must be SFI approved. Certification papers required.
19. Clutch Blanket - Tractors must be equipped with a minimum of 17 wide, 6 strap SFI 4.2 clutch blanket. Blanket must overlap a minimum of 6 inches.
20. Fire Extinguisher - Vehicle must be equipped with a minimum of a 2.5 lb dry type or a 2 lb Haylon type fire extinguisher that must be located within easy reach of the operator. Fire extinguisher must be fully charged.
21. Shields - All tractors must have a deflection shield on both sides of the engine, and cover the entire engine, either aluminum or steel not less than 0.060 thick. There must be a fire wall that separates the operator from the engine compartment with no holes other than those used for controls to pass through. In that instance, each hole is not to have more that ½ inch clearance around the item passing through the fire wall. .060 thick steel or .120 aluminum must run between the frames and under the harmonic balancer to prevent loss of harmonic balancer from the tractor.
22. Fenders - All tractors must have fenders and must support weight of driver. Top of fender must extend no less than a 6 over the top of the tires.
23. Floorboard - All vehicles must be equipped with a floorboard.
24. Personal Safety Equipment - Driver must wear a helmet, snell rating of 85 or higher. Driver must wear a fire suit jacket, SFI 3.2A-1 minimum. Driver must wear long pants. Driver must wear gloves, SFI 3.3-1 minimum.
25. NEW for 2010 ROPS must be modified to Maximum height of 8 feet 6 inches. It is optional to have a roll cage with an SFI, 5 point harness.
Exhaust - A smoke tube is required, indoor only. Exhaust must have two 3/8 bolts, grade 5 minimum, positioned in the exhaust tube 90 degrees to each other and with 1 inch of each other.
10,000 Pro Stock
All tractors have to meet NTPA/PPL/Outlaw safety standards. The engine must match sheet metal. Weight will be 10,200 lbs. Diesel Super Stocks may compete in the Pro Stock class weighing 9,900 lbs.
Exhaust - A smoke tube is required, indoor only. Exhaust must have two 3/8 bolts, grade 5 minimum, positioned in the exhaust tube 90 degrees to each other and with 1 inch of each other.
Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3 diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.
11,000 Pro Farm
Single session class: Limited to 18 entries: Top 8 tractors qualifying for the Finals
1. Weight 11,000 lbs.
2. Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3 diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.
3. Brakes - All tractors must have working rear brakes capable of sliding the rear tires.
4. Drawbar - Must be a minimum of 18 inches behind center of rear axle, a maximum of 20 inches in height, and be ridged in all directions. Hitching eye to be a minimum of 1 inch thick with a 3 by 3.5 inside diameter hole.
5. Stabilizer Bars - Stabilizer bars are required (no wheels allowed). The stabilizer bars cannot be bolted, welded, etc. to the drawbar in any way. The stabilizer bars must extend a minimum of 32 inches rearward from the center of the rear axle. The skid pad cannot be more than 10 inches off of the ground. The skid pad must be a minimum of 5 X 5 square. A minimum of 20 inches is allowed between the 2 skid pads. No cross bars are allowed on the stabilizer bars behind the point of hook. In addition to stabilizer bars, the vehicle must have a brace that extends vertically 12 from the rear most tip of skid pads. There must be a support brace extending inward to frame, axle or top of stabilizer bar arms. Materials used must be of minimum strength of materials used for stabilizer bars. Design and material must withstand severe impact of sled. Vertical brace should extend rearward a minimum 2 from radius of rear tires.
6. Chassis Maximum of 114 wheelbase unless originally produced with a longer wheelbase at which point the wheelbase will remain stock. Maximum length of 13 feet from center of rear axle to forward-most point of vehicle excluding the front hitch.
7. Tires - 20.8-38, 20.8-42 or 18.4-42 Cut tires allowed. Aluminum rims allowed.
8. RPM - 3500 RPM maximum for Non Intercooled 640 CID or less. Intercooled tractors below 470 CID, 3000 RPM maximum for Intercooled 640 CID or less, Stock RPM for tractors above 640 CID. Vehicle must have an ISSPRO #019R8906 magnetic pickup attached to the front of the engine to measure engine RPMs. The lead from the pickup to the rear of the vehicle is to be made of 14-16 gauge wire attached to a 110V, 3 prong female electrical outlet. The 2 wires from the pickup need to be attached to the 2 main spades, not the ground spade, of the electrical outlet. This outlet receptacle needs to be mounted next to the rear mounted air shutoff cable. Wire must be one (1) continuous wire outside the side rails and visible. NO SPLICES.
9. Fuel Pump - Bosch P series pump allowed.
10. Engine - OEM stock block, head, intake manifold & exhaust manifold must be used for make and model of vehicle being entered. No aftermarket components allowed.
11. Cubic inch See RPM section for RPM and CID relationships.
12. Turbo 3.0 maximum diameter of intake hole. Map width enhancement grooves allowed on NON intercooled tractors 640 CID and below, Intercooled tractors 470 CID and below, and Unlimited CID, Stock RPM. Map width enhancement grooves NOT ALLOWED on Intercooled tractors 640-470 CID. No restriction on exhaust wheel size.
13. Fuel - Diesel fuel only. Water injection allowed. Intercoolers allowed.
14. Neutral Start Vehicle must not be able to be started while in gear.
15. Air Shutoff - Vehicle must have a cable operated engine air intake shutoff device. Device cannot be a butterfly type and must be spring loaded. Cable must be located approximately 4 feet above the point of hook and within 6 inches of the center of the vehicle. Device must prevent the engine from building boost. The sled requires a 2 inch ring or equivalent be attached at the end of the cable. Mount cable in clear view. Do not mount below weights.
16. Dump Valve - A 3-way fuel dump valve is required ahead of the injection pump. This valve is to be operated by a cable on the dash.
17. Throttle - Throttle lever must have a spring installed such that if the throttle lever is released, the engine will return to an idle. Throttle must function such that moving the throttle lever forward, increases the engines RPM.
18. Clutch - Clutch must be SFI approved. Certification papers required.
19. Clutch Blanket - Tractors must be equipped with a minimum of 17 wide, 6 strap SFI 4.2 clutch blanket. Blanket must overlap a minimum of 6 inches.
20. Fire Extinguisher - Vehicle must be equipped with a minimum of a 2.5 lb dry type or a 2 lb Haylon type fire extinguisher that must be located within easy reach of the operator. Fire extinguisher must be fully charged.
21. Shields - All tractors must have a deflection shield on both sides of the engine, and cover the entire engine, either aluminum or steel not less than 0.060 thick. There must be a fire wall that separates the operator from the engine compartment with no holes other than those used for controls to pass through. In that instance, each hole is not to have more that ½ inch clearance around the item passing through the fire wall. .060 thick steel or .120 aluminum must run between the frames and under the harmonic balancer to prevent loss of harmonic balancer from the tractor.
22. Fenders - All tractors must have fenders and must support weight of driver. Top of fender must extend no less than a 6 over the top of the tires.
23. Floorboard - All vehicles must be equipped with a floorboard.
24. Personal Safety Equipment - Driver must wear a helmet, snell rating of 85 or higher. Driver must wear a fire suit jacket, SFI 3.2A-1 minimum. Driver must wear long pants. Driver must wear gloves, SFI 3.3-1 minimum.
25. ROPS - Tractors must have a factory ROPS and quick disconnect lap belt. It is optional to have a roll cage with an SFI, 5 point harness.
Exhaust - A smoke tube is required, indoor only. Exhaust must have two 3/8 bolts, grade 5 minimum, positioned in the exhaust tube 90 degrees to each other and with 1 inch of each other.
2,050 Mini Rod
2,050 Mini Rod
Engines:
1.) Single Supercharged or turbocharged engines with a cubic inch limit of
575 c.i.d. Fourty five percent maximum overdrive on hi-helix or retrofit
type superchargers. Engines are limited to two valves per cylinder and one
spark plug.
General Rules:
Brakes:
1.) All competing tractors must be equipped with working rear brakes.
2.) All driveline brakes must have a minimum of 3/8 steel, 360 degrees around brake components.
Drawbars:
1.) Drawbar height to be a maximum of 13 at the inside back of the hole
(hook point).
2.) Drawbar must have a minimum of 1 ½ diameter hole.
3.) No portion of the tractor may interfere with the sled, chain, or hook during a pull, or while being hooked or unhooked.
4.) Drawbar hitching point bolt must be a minimum of a ½ bolt, grade 8.
5.) Solid drawbar is required. A solid one piece hitch of minimum 1 solid steel with a minimum of a 1 ½ hole.
6.) Drawbar must be a minimum of 6 long to hook point from the center of the rear axle, with a maximum of 18 long to hook point.
7.) Tip over bars are to be separate from the drawbars.
Flywheel and Clutch Shielding:
1.) Flywheel and clutch assembly must be covered with a bellhousing meeting S.E.M.A. standards. No holes allowed in the bellhousing except one cooling hole, max. of 1 diameter on the face. Bellhousing must be flush on the face and use the blocksaver plate.
2.) All automatic transmissions must be covered with S.E.M.A. approved safety blanket and/ or shield. MANDATORY: The bellhousing must be covered with a S.E.M.A. approved flywheel flex plate shield, or a steel shield that is 3/16 thick by 3 wide.
3.) No Cast Iron Flywheels
4.) All planetary gearboxes must be covered with a S.E.M.A. approved blanket or shield.
Chassis:
1.) All tractors shall have wide front axles. Front wheels shall track within
rear wheels.
2.) No portion of any tractor shall exceed 8 feet forward of the center of
The rear wheels, except for the tow ring.
3.) No portion of the tractor shall exceed 6 feet in width.
4.) All weights must be safely secured to the vehicle.
5.) There will be a minimum of 2lbs. air pressure in each rear tire.
6.) An SFI 47.3 spec rollcage is required.
Engines:
1.) All tractors require side plates the length of the engine block, 6 above
and below the crankshaft centerline, made of 1/8 aluminum or 1/16 steel.
2.) Side shields must be mounted independently of the engine block.
3.) All blow tubes must exit forward or the rear wheels.
4.) All tractors must be equipped with a mechanical throttle linkage with a return to idle springs. No hydraulic throttle linkages are allowed.
5.) All fans and stock type harmonic balancers must be wrapped 360 degrees with 1/16 steel of 1/8 aluminum, and with a crossbar on the front.
6.) One-piece harmonic balancers and SFI approved harmonic balancers must be bolted to the crank with a minimum grade 8 bolt.
7.) Fuel injection engines must have a fuel shut-off valve within reach of the driver when seated.
8.) All superchargered engines must use blower restraints. Supercharger drive components must be shrouded top and sides with minimum 0.060 steel. Blower shield must be wider than all components, idler belt, pulleys, etc. and be securely mounted.
9.) All turbochargers must be completely shrouded, except for the inlet and exhaust pipes, with minimum 0.060 steel.
Fuel:
1.) Methanol or Gasoline
2,050 Regional Mini Rod
NTPA Region 3 rules. 500 c.i.d. 8-71 superchargers.
3,800 ORVTPA Mini TWD
ORVTPA trucks will run under ORVTPA rules with a 26 inch drawbar.
Kentucky Outlaw trucks will run under ORVTPA rules (EXCEPT FOR CUBIC INCH), with a 24 inch drawbar.
5,800 Small Block Hot Rod
5,800 Small Block Hot Rod
Rules:
WEIGHT; 5800 #
TIRES; 18.4 x 38 maximum
AGE OF DRIVER; 18 years or older
AGE OF TRACTOR; 1972 and older, no home made tractors
FUEL; Gasoline fuels only with a maximum of 750 specific gravity, no E85, no alcohol, no pressurized fuels, no nitrous oxide, no oxygen accelerate, no nitrogen methanol, and no propylene oxide. Racecar gasoline may be used.
DRAW BAR; Drawbars must not exceed 18 inches in height or less than 18 inches from
center of axle to hooking point. No part of draw bar may extend rearward beyond point of hook. No part of drawbar is to be attached to any point higher than the center of rear axle. Drawbars must be stationary in all directions. No clevis, absolutely no turnbuckles.
ENGINE, MANIFOLD, CARBURETOR; Engine must be 410 cubic inches or smaller. Must be a small block, no big blocks. Must be a cast iron block, cast iron heads, maximum eight cylinders. Two valve one spark plug per cylinder. Camshaft in block. Any manifold. One four barrel naturally aspirated carburetor, stock, out of box 750 CFM. No flowed carburetors, no predators, no dominators. No fuel injection, no throttle based injection. Headers or open exhaust are allowed. Headers must exit in an upward direction.
IGNITION; All ignitions must use a MSD system with an 8000 maximum rpm limiter chip.
HOOD, GRILL, FRAME, TRANSMISSION, REAR END, AXLE; Must be for that make and model and must maintain stock appearance and dimension. Sheet metal upgrades are allowed, but must not cross manufacturers lines. All upgrades must come to the committee for approval. Front ends may be homemade, maximum allowable wheelbase of 100 from center of rear axle to center of front axle.
TOTAL LENGTH OF TRACTOR; Maximum length 11 from center of rear axle to the furthest point forward, including weights.
SAFETY EQUIPMENT; Helmet and fire suit, wheelie bars, kill switches, fire extinguishers, fenders, blow proof damper pulley and shroud, SFI flywheels and pressure plates, scatter blanket or SFI bell housings, engine side shields. Drive shaft from bell housing to transmission must be shielded. Roll cages must be capable of supporting tractor and driver. No steel fans. All tractors must have wide front axles with a minimum of 32 inches between inside of tires. All electric fuel pumps must be wired to the kill switch.
5,800 Super Stock T.W.D.
Southern Illinois Shoot Out: Single session class, Limited to 18 entries with no Finals.
5800 LB SUPER STOCK 2WD
1). 600 CUBIC INCH LIMIT WITH A 1% TOLARANCE.
2). One four barrel carb. No split carb. Naturally aspirated.
3). No nitrous oxide, propylene oxide, or nitro methane allowed
4). Hitch must be no shorter than 42 inches from center of rear axle to hitch point, but can be
longer. Hitch must be stationary in all directions. Nothing may exceed 15 feet, 4 inches
forward from center of rear axles, with front to weights or rack.
5). D.O.T. tires 35 X 12.50 tires. No wider than 12 inch rims. (checking on tires sizes and will discuss in spring).
6). Custom frames allowed, 4 side tubing frame only.
7). One OEM transmission, no cut gears.
8). Any size rear end, no planetary.
9). No t-buckets.
10). Fiberglass truck bodies are allowed and all components.
12). 30 hitch height.
13). 1-4 barrel carb intake, no sheet metal or tunnel ram intake.
14). Cast iron block only.
15). Beds must be covered.
16). Seal transmission when seal engine, must be sealed before you pull.
6,200 Super Stock FWD (485 c.i.d.)
1. 6200 lb. weight class.
2. Truck must have stock frame. Suspension blocks and traction bars will be allowed.
3. Truck body may be different than the frame if approved by the board. Truck frame shall designate make and model of truck. (133 inch wheelbase maximum.) Must have full size body.
4. Truck must have OEM production drive train. Dana 70 or smaller front and any rear 106 Rockwell or equal in size. No planetary rear.
No drop boxes or reversers. Cut gears allowed in OEM cases.
5. Hydraulic steering allowed.
6. Rear of block can be no more forward than 12inches from center of front axle tube.
Any hood design.
7. Truck must have all body components: fenders, hood, front doors. Flatbeds allowed, tilt front ends allowed, no fiberglass bodies allowed, no tilt bodies allowed.
8. Maximum 35x12.5 inches DOT stamped, no cutting or grooving, no bars, no dual wheels, no chains, one half offset allowed. Wrangler XT terra tires allowed.
9. Engine must be naturally aspirated. Any single four-barrel carb allowed with any aluminum intake manifold. 485 cubic inch. ANY CAST IRON HEADS ALLOWED.
No sheet metal intakes.
10. Open exhaust is allowed and must exit down and back or upright headers are allowed.
11. Weight may be added to the front of the truck, weight or frame may not extend more than 60 inches from the centerline of the axle.
12. No cutting of cabs. If bed is gutted, must be covered. Must have inner fender wells or engine side shields (.060 inch thick minimum).
13. Brakes must slide all four wheels. Driveline brake allowed.
14. Draw bar height is 26 inches for four-wheel drive and must be rigid in all directions.
15. Drawbar length is a minimum of 36% of the wheelbase measured from centerline of rear axle to the farthest rear point of hitch opening. Must not exceed more than 12 inches from body.
16. Front gas tank allowed, but no more than 60 inches from the center of the front axle.
17. All safety requirements same as 4WD and 2WD Pro Stock class.
18. After you cross the scales, no weights are to be added or fuel added. If a truck makes multiple hooks, then fuel can be added after the first hook if necessary.
6,200 Modified F.W.D. (650 c.i.d.)
6200 Modified FWD
Vehicles in this division must be 4 wheel drive.
1.Body/Chassis
A. Vehicle must have hood, grill, & fenders in place as intended by manufacturer.
B. Vehicle body style must be or have been available from a dealer as mass-
produced.
C. Vehicle must maintain original appearance.
D. Vehicle appearance:
1. No bare chassis or flat beds permitted.
2. Must have metal frame.
3. Non-metal floor allowed in bed.
4. Fiberglass hood scoops, spoilers, fender flares are allowed.
E. Adjustable front suspension stops must be mechanical. Pneumatic,
hydraulic and electrical devices are allowed as long as there are no lines or controls going to or from them after the vehicle goes across the scale, all connections must be disconnected from the supply source.
2. Drawbars
A. No drawbar greater than the angle of the sled chain. (Acceptable angle: 0 degrees to a maximum of 25 degrees.
B. If drawbar is supported by links to rear axle housing, fastening point cannot be above centerline of housing.
C. Maximum hitch height shall be 26 inches.
1. All 4WD vehicle engines/automatic transmission combinations must have either:
a. Two front engine mounts, two rear engine mounts and a support saddle for the rear of transmission OR
b. Two front engine mounts, support saddle at rear of engine.
3. Engines
A. Engines must be naturally aspirated only.
B. Acceptable fuels are gasoline and alcohol.
C. Engine must be in stock location, which is defined as being within engine
Compartment as manufactured, behind stock grille and in front of stock
firewall.
D. Vehicle may run without radiator, engine may be moved forward, but
Engine must stay behind the grille, except for high performance type starters and accessories with crankshaft.
Note: Entire engine to mean anything that is bolted to the engine block.
E. Rear of engine block may not be moved forward of centerline of front
Axle.
F. No superchargers or turbo chargers allowed.
G. Engine may have a maximum bore spacing of five inches.
H. Automotive engines at all levels of competition are only allowed to run a maximum of two valves per cylinder.
I. Fuel injection (and carburetors) and header may protrude through the hood.
Note: Bubble or scoop is optional, but if used, the scoop or bubble must cover the carburetors or fuel infection, if induction system protrudes through the hood.
J. Vehicle must have vertical exiting exhaust; height of pipe must be a
minimum of one foot above the bend.
Note: Vertical is defined as being in plumb with a ten degree variance in any d direction permitted.
K. Vehicles to conform to provision of Modified Tractor engine shielding.
4. Frames
A. May be different from the make and model of the truck bocy.
B. Tubular steel frame is allowed.
C. Center of wheels cannot exceed plus or minus six inches of fender wells
For wheelbase being used, which means a vehicle may run up to a
Maximum of 133 inch wheelbase.
D. Wheels must be in fender wells as described above. The body may be
Stretched in the middle to accompany this.
E. The outside edge of the tire on the narrow axle must overlap the center-
Line of the tire on the wide axle by at least one inch.
F. Weights/weight bar must not extend forward more than sixty inches from
The centerline of the axle
5. Tires: are a maximum tire size to be 112-inch circumference on an 18-inch rim inflated to 30 PSI with original bar not to exceed 17 inches in width before cutting.
6,200 Modified T.W.D.
2009 Modified T.W.D. Rules:
In 2009 we will be running a combination class of several groups:
CMPA/MSTPA/Buckeye trucks: 6,200 lbs. 30" hitch height
ECITPA/Tri State/Fantasy trucks: 5,800 lbs. 28" hitch height.
These rules will be enforced on a one year trial basis. It will be the decision on the Whatssmokin Promotion Competition Board to make any adjustments in the future. Thanks.
CMPA/MSTPA/Buckeye Trucks:
1.Engine:.
a. One (1) Naturally aspirated, automotive type engine
b. 541 cubic inch limit with cast iron heads
c. 530 cubic inch limit with aluminum heads
2. Trucks will be no longer than 15½ feet from the center of the rear axle to the most forward position of the truck, but no weight further than 15 feet.
3. Maximum tire size is 18.4x16.1
4. Trucks will have a presentable bed or flat.
5. Trucks newer than 1940 will have hoods and fenders in place. All side doors will be in place.
6. Trucks will run steel, magnesium or aluminum flywheels that meet the following criteria:
a. Steel plate or steel billet flywheel will have a tensile strength of 60,000 psi and a yield
strength of 40,000 psi.
b. Magnesium or aluminum flywheels will meet SFI Spec. 1.1
c. POSITIVELY NO GRAY CAST IRON ALLOWED.
7. Use of aluminum blocks not allowed.
8. Each driveshaft will have a minimum of two (2) steel loops 1/8 inch thick, 1 inch wide, 6 inches (maximum) above and below. If a vehicle has a shaft between the transmission and transfer case no longer than 24 inches, one (1) loop, properly centered, will suffice. Two-piece shafts will have four (4) loops. Planetary drivelines will be shielded
360 degrees with 3/16 inch steel or 3/8 inch aluminum.
9. All driveline u-joints will be enclosed 360 degrees with 1/16 inch steel or 1/8 inch aluminum. Shield will be close enough to the joint to restrain any broken parts. Joint will not be visible form the side, top or bottom.
10. Trucks with engine-driven fan blades will have a fan shroud extending 360 degrees around the blade to be constructed of 1/16 inch minimum steel. Shroud will be no more than one (1) inch from the radiator core at least Ό inch past the rear blade.
11. Trucks will be equipped with steel bellhousing and blocksaver plate.
12. Automotive transmissions will be covered with a SFI-approved scatter blanket and secured as specified by SFI.
13. Exhaust will discharge vertically or underneath and straight back.
14. If the battery is inside the cab, it will be safely
enclosed and securely fastened down.
15. Braking system will be an adequate, foot-operated hydraulic system.
16. Radiator hoses or water hoses will NOT be allowed in the drivers compartment
17. Axle bolts will be covered securely with a 1/16 inch metal shield.
18. Kill switch will be located in the rear of the truck bed and be unrestrained.
19. Weights will not extend farther back than 12 inches from the hitching point.
20. Maximum hitch height is 30 inches and no closer than 18 inches from center of rear axle.
21. Trucks will have wheelie bars which will extend two (2) inches back from the farthest point of the tire, with a five (5) inch square pad on the bottom or
a 5x5 solid steel or aluminum roller mounted with a 3/4 grade 8 bolt that will not turn with the roller. This device must be able to support the weight of the vehicle. The bottom of the front tire will not exceed 40 inches above the ground at the highest point.
22. Driver will wear seat belt while pulling.
ECIPA/Tri State/Fantasy Modified T.W.D.
1. Engine limit 480 CI (5 CI leeway)
2. Ignitions allowed: Magnetos MSD 20 or Mallory Super Mag 5, and MSD 10AL. These are the maximum size allowed. Ignitions rated less than these ignitions are allowed.
3. The only cylinder heads allowed are: Dart 360 and 320, Brodix BB2 extras, Dart 345 Pro 1, and Dart 355 Pro 1, Ford Blue Thunder heads, any other Ford head must be approved by membership, Dodge factory heads, and Indy 440-1 (excluding Hemi heads). Any cylinder heads not listed above must have membership approval before being able to compete. This head selection is based on what is available as of December 2005. Any new version of these heads with modification (such as valve angle, etc) must be approved by membership.
4. 6-71 blower roots type only. Cast rotors only. No high helix or front discharge type blower. Blower must be approved by a 2WD Board Member before being able to compete.
5. 1-1 or under blower drive ratio.
6. Compression not to exceed 8.5-1. NO LEEWAY.
7. Blower restraint required.
8. Must have fuel shutoff.
9. Shield around blower belt must surround belt, except bottom of bottom pulley. Must be as wide as belt, must be minimum 16 gauge material, and must be securely fastened in a minimum of 3 places.
10. Must have aluminum blower studs.
11. Must have pop-off plate or burst panel on intake.
12. Hitch will be at 28" and weight will be at 5,800 Ibs.
13. Engine rules are set for 5 years at the start of 2005. These rules may be changed, but require 75% approval vote by the 2WD membership.
14. Set-back blowers are not allowed. (For definition of set-back blower, contact Board Member).
15. Port injection is not allowed. All fuel must go through blower.
16. High speed lean out system will not be allowed.
17. No inner cooler allowed.
18. A spacer between blower and injection is allowed - maximum 4"
tall. Both surfaces of spacer must be parallel with top of blower.
19. No sheet metal intakes.
20. Enderly Bird Catcher or Enderly Big & Ugly with 4-3/8 butterflies are the only injection system allowed. No center blade is allowed in any injection system.
21. The only blower manifolds allowed for Chevy & Ford engines are littlefield & BDS tall or short deck manifolds. Indy compition manifolds for chylser wedge style engines only. All other blower manifolds must be approved by membership.
6,200 Pro Field/5,800 Small Block Hot Rod
This is a combination of three groups of tractors:
1.Natural Super Stock
2.Light Pro Field
3.Small Block Hot Rods
Each of these classes will be competing within but not against each other. Each division will be competing for their individual purse.
Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3 diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.
Chassis - Maximum of 114 wheelbase unless originally produced with a longer wheelbase at which point the wheelbase will remain stock. Maximum length of 13 feet from center of rear axle to forward-most point of vehicle excluding the front hitch. Wide front ends only. Must be OEM tractor rear end and transmission.
Drawbar - Must be a minimum of 18 inches behind center of rear axle, a maximum of 20 inches in height, and be ridged in all directions. Hitching eye to be a minimum of 1 inch thick with a 3 by 3.5 inside diameter hole.
Floorboard - All vehicles must be equipped with a floorboard.
Fenders - All tractors must have fenders and must support weight of driver. Top of fender must extend no less than a 6 over the top of the tires.
Engine - Engine must be OEM designed block and match the vehicles drive line or factory replacement block.
Tires 20.8 x 38 or 18.4 x 38
Weight 6,500 lbs.
Fuel Gasoline, Alcohol, and Propane only. No nitrous oxide and NO NITROMETHANE.
Fuel Tanks - No pressurized tanks except propane, when used as a primary fuel only.
Kill Switches Mandatory electrical kill switch for spark ignition engines. Diesel engines must have system to shut off air to the engine.
Neutral Start Vehicle must not be able to be started while in gear.
Brakes - All tractors must have working rear brakes capable of sliding the rear tires.
Throttle - Throttle lever must have a spring installed such that if the throttle lever is released, the engine will return to an idle. Throttle must function such that moving the throttle lever forward, increases the engines RPM
Stabilizer Bars - Stabilizer bars are required (no wheels allowed). The stabilizer bars cannot be bolted, welded, etc. to the drawbar in any way. The stabilizer bars must extend a minimum of 32 inches rearward from the center of the rear axle. The skid pad cannot be more than 10 inches off of the ground. The skid pad must be a minimum of 5 X 5 square. A minimum of 20 inches is allowed between the 2 skid pads. No cross bars are allowed on the stabilizer bars behind the point of hook. In addition to stabilizer bars, the vehicle must have a brace that extends vertically 12 from the rear most tip of skid pads. There must be a support brace extending inward to frame, axle or top of stabilizer bar arms. Materials used must be of minimum strength of materials used for stabilizer bars. Design and material must withstand severe impact of sled. Vertical brace should extend rearward a minimum 2 from radius of rear tires.
Engine Cooling Fan - Tractors must have an electric operated cooling fan. Stock steel bladed fans that are driven by a belt are not allowed.
Shields - All tractors must have a deflection shield on both sides of the engine, and cover the entire engine, either aluminum or steel not less than 0.060 thick. There must be a fire wall that separates the operator from the engine compartment with no holes other than those used for controls to pass through. In that instance, each hole is not to have more that ½ inch clearance around the item passing through the fire wall. .060 thick steel or .120 aluminum must run between the frames and under the harmonic balancer to prevent loss of harmonic balancer from the tractor.
Fire Extinguisher - Vehicle must be equipped with a minimum of a 2.5 lb dry type or a 2 lb Haylon type fire extinguisher that must be located within easy reach of the operator. Fire extinguisher must be fully charged.
Personal Safety Equipment - Driver must wear a helmet, snell rating of 85 or higher and a head sock. Driver must wear a fire suit jacket and pants, SFI 3.2A-1 minimum. Driver must wear SFI approved shoes. Driver must wear a minimum of SFI approved single layer gloves.
Light Pro Field tractor Rules:
3000 RPM limit with 1% tolerance
18.4x38 max. tire size
361 cubic inch limit on turbo tractors
Must run a minimum of 2 bar cage
NO TOLERANCE WILL BE ALLOWED
ON TIRE SIZE
2. All tractors will be equipped with a five-point
harness and have a roll cage.
3. Turbo and non-turbo tractors run in the same
weight class.
4. Diesel powered tractors can run any injection pump.
Maximum size of an A pump. No computerized
injection systems.
5. Gasoline-powered tractors can have any
agricultural, updraft carburetor.
6. Tractors will have operative, factory-equipped
governors which will be checked by: (A) visual
retarding movement of the throttle linkage from
governor case to carburetor; and (B) audible
acceleration when clutch is engaged while holding
brakes on with tractor in high gear.
7. Water Injection is allowed.
8. Weights must be secured to the tractor, Rear
weights must not be more than 3 maximum behind
rear tires. Tractor length is not to exceed 13 from
center of rear axle to farthest point forward
including weights. Maximum of 6 tow-hook not
include din 13 length.
5,800 Small Block Hot Rod
WEIGHT; 5800 #
TIRES; 18.4 x 38 maximum
AGE OF DRIVER; 18 years or older
AGE OF TRACTOR; 1972 and older, no home made tractors
FUEL; Gasoline fuels only with a maximum of 750 specific gravity, no E85, no alcohol, no pressurized fuels, no nitrous oxide, no oxygen accelerate, no nitrogen methanol, and no propylene oxide. Racecar gasoline may be used.
DRAW BAR; Drawbars must not exceed 18 inches in height or less than 18 inches from
center of axle to hooking point. No part of draw bar may extend rearward beyond point of hook. No part of drawbar is to be attached to any point higher than the center of rear axle. Drawbars must be stationary in all directions. No clevis, absolutely no turnbuckles.
ENGINE, MANIFOLD, CARBURETOR; Engine must be 410 cubic inches or smaller. Must be a small block, no big blocks. Must be a cast iron block, cast iron heads, maximum eight cylinders. Two valve one spark plug per cylinder. Camshaft in block. Any manifold. One four barrel naturally aspirated carburetor, stock, out of box 750 CFM. No flowed carburetors, no predators, no dominators. No fuel injection, no throttle based injection. Headers or open exhaust are allowed. Headers must exit in an upward direction.
IGNITION; All ignitions must use a MSD system with an 8000 maximum rpm limiter chip.
HOOD, GRILL, FRAME, TRANSMISSION, REAR END, AXLE; Must be for that make and model and must maintain stock appearance and dimension. Sheet metal upgrades are allowed, but must not cross manufacturers lines. All upgrades must come to the committee for approval. Front ends may be homemade, maximum allowable wheelbase of 100 from center of rear axle to center of front axle.
TOTAL LENGTH OF TRACTOR; Maximum length 11 from center of rear axle to the furthest point forward, including weights.
SAFETY EQUIPMENT; Helmet and fire suit, wheelie bars, kill switches, fire extinguishers, fenders, blow proof damper pulley and shroud, SFI flywheels and pressure plates, scatter blanket or SFI bell housings, engine side shields. Drive shaft from bell housing to transmission must be shielded. Roll cages must be capable of supporting tractor and driver. No steel fans. All tractors must have wide front axles with a minimum of 32 inches between inside of tires. All electric fuel pumps must be wired to the kill switch.
Iowa/Missouri Assn. Classic Modified Tractor Rules:
Tractors are not to be newer than 1957.
Any speed, any gear, no shifting, no shifting of T/As or like transmissions allowed.
All tractors must be neatly painted.
Appearance: Tractors are intended to look like a stock farm tractor that has an automotive V-8 neatly installed.
No extended or widened hoods.
Raised carburetor enclosures are allowed.
Weight: 5,800 lbs.
Engine
A maximum of 360 cubic inch displacement with 1% tolerance.
Tractors may run one (1) cast iron automotive block and cast iron heads.
No overhead cams.
Enhanced electrical systems are allowed.
No Magnetos.
Electric water pumps, electric fans, and electric fuel pumps are allowed.
No tunnel ram or sheet metal intakes.
No flap or rain cap type covers on exhaust.
Fuel
Tractors are to be naturally aspirated with a single gasoline carburetor.
No nitrous oxide, water, or alcohol injection.
No nitro methane or nitro methane fuel additives allowed.
Tires/Wheels
18.4 x 38 tire size maximum. Any cut and any rim width.
Chassis
Stock frames or like replacements are allowed. Example: tractors with cast iron tub chassis my convert to side rail frames .
Transmission, rear end and axle housings must match factory sheet metal, dash, and hood.
No lengthened or widened hoods.
ALL tractors must have a wide front.
Centerline of front axle may be no more than 12 in front of OEM axle location.
Batteries and fuel tanks may be remote located in front of grille.
No part of tractor including front weights may extend more than 11 in front of the center line of the rear axle.
Weights may not extend beyond the rearmost point of the rear tires.
Hitch
Point of the hook must not exceed 20 from the ground or be no less than 18 from the centerline of the rear axle.
Adjustable drawbars must be stationary in all directions.
Top of hitch adjuster must not be attached above the centerline of the rear axle.
Safety
All Drivers must wear an approved fire suit and DOT certified helmet.
Wheelie bars are required and they must support the weight of the tractor.
Rear mounted kill switch is required. Switch must kill the circuit to the ignition as well as fuel pump(s).
Dead Man style throttle is required.
All tractors must be equipped with roll over protection whether it be of OEM or multiple bar design.
Seatbelts are required to be in use while the tractor is hooked to the sled.
All tractors must be equipped with rear fenders.
All tractors will be equipped with either a SFI scatter blanket or 3/16 steel band over the clutch and flywheel area.
SFI flywheel and clutch required.
All driveline couplers must be shielded 360 degrees.
Engine side covers are required and cover the area from the base of the cylinder head to the top of the frame rail or oil pan.
Harmonic balancers are required to shield 360 degrees.
All tractors must be equipped with a fire extinguisher within reach of the driver.
6,200 Pro Stock F.W.D. (KTPA Rules)
6,200 Pro Stock FWD
Indiana Truck Pulling Association Rules
1. Maximum engine size will be 485 cubic inches. Aluminum cylinder heads allowed. Must have O.E.M. intake bolt pattern. No sheet metal intakes. Single naturally aspirated carburetor, no splits. No tunnel rams allowed. Roller cams allowed. Any cast Aluminum intake allowed. Any cast iron head allowed.
2. Exhaust systems must run down and back or up through the hood. Adequate clearance around headers will be allowed to permit opening of hood. If you burn alcohol, you must run with headers up. You can also run exhaust spacers.
3. High stall torque converters and safety-approved clutch will be allowed.
4. Maximum wheelbase will be 134 inches. Body sheet metal must conform to wheelbase. Fiberglass bodies allowed. Any make engine allowed with any make body.
5. Hitch height is 26 inches and length no less than 36% of wheelbase measured from center of rear axle to the farthest rear point of hitch opening before, during, and after pull.
6. Tires maximum 31.5 x 15.5 x 15 Terra tires or Bar tires. No duals, chains, or studs. Dick Cepeks are allowed. Street legal tires may run in this class. Maximum for these is 16.5 x 12.5 x 33. Outside corner to outside corner tread is measurement.
7. Rear of block can be no more forward than 12 inches from center of front axle tube.
8. Engine must be shielded at least .060 inch thickness. Height to extend to bottom of cylinder head and must cover entire length of engine. No unnecessary holes in firewall. Any engine driven fan must be shrouded 360 degrees.
9. Drive train will consist of the following: any front axle, any transfer case, any rear axle; no planetary axle allowed. Must have OEM frame rails.
10. Weight box maximum width is 84 inches, not to exceed 60 inches forward from top center position of front axle tube.
11. Tilt bodies allowed,both doors working. Must go .060 inch or thicker on floor board.
12. No dirt deflectors
Kentuckiana Pro Stock FWD Rules:
PRO-STOCK 4WD
1. Any truck body, any factory frame, and any V-8 engine.
2. Any single 4 barrel carburetor. No stretched carburetor.
No tunnel ram or sheet metal intakes.
3. A. Engine must not exceed 485 C.I. Cast iron or
aluminum blocks allowed. Roller cams, lifters, and
roller rockers allowed. Other internal modifications may
be made. Titanium valves and rods allowed. Mushroom
lifters allowed. Engine can be no further forward than
12 inches from front of block saver plate to center of
front axle housing.
B. Cast iron or aluminum heads allowed.
Must be production style heads. No billet or homemade
Heads. Conventional configuration, Dodge, Chevrolet,
Etc. is o.k. 18 degree heads are acceptable.
Cylinder heads that are not allowed: any Big Chief,
Brodix, Big Duke, Ford C460, Ford E460, no Hemi
Heads or billet heads.
Any questionable head must have Board approval.
4. Headers and open exhaust allowed, must exit through
hood or down and back.
5. Body Specifications:
A. Factory wheelbase may be shortened or lengthened to maximum 134 inches. Bedsides may be altered in front of wheel wells to match wheelbase on all trucks.
B. Rear wheel width cannot be narrower than 34 inches from inside bead to inside bead of rear wheels.
C. OEM fiberglass components only.
D. Front windshield must be OEM type (no Plexiglass.
6. No working hydraulic stops on front suspension during
pull. Must have quick disconnect and shall not be
touching spring or axle housing before, during or after
pull. Weight boxes must stay stationary before crossing
the scales and cannot be moved until after the pull is over. Any air pressure adjustments require a remeasurement of hitch height.
7. Any street legal tire may be run measuring up to or
Less than 33 inch measured height. Terra and Cepek
Tires allowed along with any bar tire up to 31 X 15 .50
X 15. No recapped tires allowed. Must have size on
Sidewall by Manufacturer.
8. Any transmission, transfer case, front end, or rear end
Allowed. No planetaries.
9. A. Hooking point has to be Horizontal on Hitch.
B. From point of hitch to center of rear axle shall be no less than 36% of trucks wheelbase, i.e. 134 inch Wheel base equals 48.24 inch hitch length. Hitch heights to be 26 inches, before, during and after pull. Hitch must also adhere to general and safety rules (see Hitch qualification section).
10. All Pro-Stock trucks are to have adequate brakes: drive
shaft brakes are adequate.
11. Pro-Stock 4WD must run NHRA approved fuels or
Alcohol.
12. Overall vehicle must adhere to all general and safety
Rules applicable to 4WD trucks.
6,200 Regional Modified
5,800 Modified Tractors
1. 7,000 lbs: One automotive, carbureted engine with a max of 530 cu in.
(Cast iron block only) Aluminum heads permitted.
2. 6,500 lbs. One automotive, naturally aspirated engine with a max of 750 cu in.
Aluminum blocks allowed and Aluminum heads permitted
3. 6,200 lbs. 2 naturally aspirated V-8 engines may both be run with a combined cubic inch limit of 1420 c.i.d.
4. 6,200 lbs: One automotive wedge-type engine, cast or aluminum with a maximum 8-71 hi-helix supercharger.
5. 6,200 lbs. One T-53-13 with water/alcohol injection.
6. 6,200 lbs. 1 stock Allison Aircraft V1710, 8:1:1 supercharger, carbureted on gas, aftermarket ignition allowed.
7. 6,200 lbs: One Hemi type automotive engine, cast or aluminum with maximum 8-71 hi-helix supercharger with maximum 45% overdrive.
8. 5,800 lbs. One Hemi type automotive engine, cast or aluminum with maximum 14-71 hi-helix supercharger.
9. 5,200 lbs. Single Supercharged and or turbocharged Allison running on alcohol
6,200 Super Modified F.W.D.
OSTPA rules: 50% supercharger over drive = 6,200 lbs.
Ken Ten rules: 30% supercharger over drive = 6,400 lbs.
6,200 Super Modified T.W.D.
2 session class: Limited to 15 entries per session: Top 5 from each session qualifying for the Finals.
ITPA/PPL/NTPA/Outlaw rules enforced.
6,200 Super Stock F.W.D.
Southern Illinois Shoot Out: Single session class, Limited to 18 entries with no Finals.
Pullers Inc, Badger State, Tri State Trucks
Body:
1. The pickup truck must have a 133" wheelbase. May use plastic box liners or custom covers securely fastened. ALL DRIVE TRAIN components must be in original position on frame except transfer case.
2. Trucks must run full hood and be in closed position while pulling. Tilt front ends allowed with grilles in original position. Front bumpers optional and rear bumpers recommended to protect your bed from damage. If the truck hits our sandpile at the end of the track, with much momentum, there is a good chance the sled will hit you.
Engine:
1. Cubic inch limit is 530 c.i.d.
2.Engine and truck must be made by the same manufacturer, heads must be factory production type heads with stock type valve train available in cast or aluminum. Aftermarket heads with manufacturer numbers are allowed. You can use aftermarket single speed transmissions. Cylinder heads may only consist of the following: Ford SVO, Indy, Hemi Merlin, Dart 320, 360, and Pro Eagle only. Brodex up to BB5, Stock, Individual Jesel set up is o.k.. Cylider heads that are not allowed: Pontiac Big Chief, Olds Big Chief, Dart Big Chief, Brodix Big Duke, Ford C460, Ford E460. No pro stock heads allowed. No hemi heads.
3. All engines to be naturally aspirated with a single 4 barrel carburetor with any stock configuration intake manifold. Electric fuel pumps allowed and any ignition may be used.
4. Pump Gasoline Only, No Alcohol and No Nitrous
5. Headers allowed. May exit upright or toward the rear of truck parallel to frame.
6.Aftermarket cast iron blocks allowed, but must be original OEM.
Drive Train:
1. Any big rear end allowed. No planetaries. Reverser and quick change transfer case,
ProFab or SCS version allowed.
2. Front tires and rear tires must track within centerline of each other.
3. You can use after market single speed transmission.
A. Multiple speed transmission and single speed transfer case.
B. Single speed transmission and multiple speed transfer case.
4. All safety equipment required - loops, scatter shield, rear axle covers, kill switch. All kill switches must shut off ignition and fuel pumps. No modifications to bell housing in line of fly wheel.
Tires:
1. Maximum tire size 35xI2.50/15, 16, or 16.5 tire. Maximum 10 rim - inside bead to bead. No dual wheels. Must be DOT approved tire. Cyped tires allowed. If wheel tread is offset, center line of front tires must run within tread of rear tires.
Hitch:
1.From the point of hitch to the centerline of the rear axle, shall be no less than 27% on the trucks wheelbase.
2.. Vehicle will have a hitch height of 26
3. Kill switch must be located in the rear center of the vehicle (maximum of 6 inches left or right of center, maximum of24 inches above the point of hook).
FANTASY TRUCK PULLERS RULES
2007 SUPER STOCK 4X4
1. Definition of a Super Stock Truck:
A 1/2, 3/4, or 1 ton stock pickup that has had alterations made to its parts to make it a super stock.
Any alterations to the stock type component can be internal or external as long as the alteration does not remove the component from being a pickup truck.
2. Vehicle may not be stripped beyond safe operating condition - hood, fenders, and doors.
3. Must be a factory production vehicle. Truck and engine must be of same manufacturer. Engine must be in stock location, or no less than 14" from center of front axle to the front of the bell housing. Engine limit - 530 C.I. limit (5 C.I. leeway).
4. No tube frames- Must run stock pickup frame.
5. Dual shocks, solid suspension, blocks and traction bars allowed. Any automotive type spring may be used. Any combination of the above is allowed on front or rear axle.
6. Plummer suspension is not allowed. Must have factory, functional, front suspension.
7. Must have push bars 36" or below. No lower than 24" solid construction.
8. Maximum wheel base 133".
9. Fuel pressure gauge must be mounted outside of truck cab. No nitrous oxide, alcohol, or pressurized fuel allowed.
10. Headers allowed. Any ignition permitted.
11. All safety equipment required - loops, scatter shield, rear axle covers, kill switch. All kill switches must shut off ignition and fuel pumps. No modifications to bell housing in line of fly wheel.
12. Any drive line component spinning at engine speed or faster must be totally enclosed.
13. Weight added to vehicle must be securely fastened. Weight may not exceed 60" from center of front axle.
14. Hitches must be rigid in all directions. Draw bar to be minimum of 27% of truck wheel base from center of rear axle to point of hook and have a clear hook. 26 hitch height.
15. Maximum tire size 35xI2.50/15, 16, or 16.5" tire. Maximum 10" rim - inside bead to bead. No dual wheels. Must be DOT approved tire. Cyped tires allowed. If wheel tread is offset, center line of front tires must run within tread of rear tires.
16. Any camshaft, single carb, or intake manifold can be used. Must be of stock configurations - tunnel rams, pro rams, etc. are not permitted. No sheet metal intakes. No blowers or hemi heads allowed. Engines must be naturally aspirated. Aluminum heads allowed.
17. Heads that are not allowed: Pontiac Big Chief, Olds Big Chief, Dart Big Chief, Brodix Big Duke, Ford C460, Ford E460. (Brian Gilboy is grand fathered in for the life heads). No pro stock heads allowed. No hemi heads. Chevy, Dodges run any Siamese cylinder head, Fords can run Trickflow A460 or Blue Thunders, no EX514 cast or aluminum or eliminator heads.
18. All heads must be of stock configuration.
19. No 5" bore space engines or heads.
20. No aluminum blocks allowed.
21. Any big rear end allowed. No planetarys. Reverser and quick change transfer case allowed.
22. One ton or less front axle.
23. Kill switch must be located in the rear center of the vehicle (maximum of 6 inches left or right of center, maximum of 24 inches above the point of hook).
6,400 Limited Super Stock
1. Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3 diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.
2. Chassis - Maximum of 114 wheelbase unless originally produced with a longer wheelbase at which point the wheelbase will remain stock. Maximum length of 13 feet from center of rear axle to forward-most point of vehicle excluding the front hitch. No component tractors allowed. Wide front ends only. Must be OEM tractor rear end and transmission. No Component chassis allowed.
3. Drawbar - Must be a minimum of 18 inches behind center of rear axle, a maximum of 20 inches in height, and be ridged in all directions. Hitching eye to be a minimum of 1 inch thick with a 3 by 3.5 inside diameter hole.
4. Floorboard - All vehicles must be equipped with a floorboard.
5. Fenders - All tractors must have fenders and must support weight of driver. Top of fender must extend no less than a 6 over the top of the tires.
6. Roll Cage - Tractors must be equipped with a roll cage with an SFI 5 point harness.
7. Engine - Engine must be OEM designed block and match the vehicles drive line or factory replacement block for that tractor with factory appearing head for that tractor at the time of manufacture.
8. Weight / Cubic Inch -
Badger State, East Central Iowa, East Central Missouri, Empire State, and Ohio River Valley Tractors will all weigh 6,400 lbs, running under their home club rules.
7,000 lbs. Turbocharged Gasoline tractors and Unlimited Cubic inch natuarally aspirated tractors (Diesel, Alcohol, & Gasoline)
9. Fuel Pump - Bosch P-3000 or P-7100 series pump maximum, NO 8000 series P-pumps allowed. No Sigma pumps allowed.
10. Fuel Stock fuel only. Diesel, propane, or gasoline for Badger State, ECITPA, ECMTPA tractors. Alcohol may be used by the ORVTPA Pullers below 370 cid. Water injection allowed. Water for water injection systems and/or diesel fuel may be provided unannounced at any pull by tech officials for all competitors in a class or all classes.
11. Fuel Tanks - No pressurized tanks except propane, when used as a primary fuel only.
12. Turbo - Badger State & ECITPA tractors: 410 c.i.d. and below with a intercooler are limited to one 3" by 4" turbocharger with NO MAP INHANCEMENT GROOVES: 315 c.i.d. and below with a intercooler are limited to two 3" by 4" turbochargers with NO MAP INHANCEMENT GROOVES.
ECMTPA & ECITPA tractors: 410 c.i.d. and below with NO INTERCOOLER are limited to one 3" by 4" turbocharger with MAP INHANCEMENT GROOVES.
ORVTPA tractors: 466 c.i.d. and below Diesel and 370 c.i.d. and below Alcohol are limited to one 3" by 4" turbocharger with NO MAP INHANCEMENT GROOVES.
This are the same rules as last year, just STATED A LITTLE CLEARER.
General Turbo Rules:
Only one turbo charger with one pressure stage will be allowed. The only exception being those diesels with 315 cid or less. Those vehicles are allowed to run (2) turbo chargers under the following guidelines. The compressor housing will have no larger than a 3 inlet measured at the smallest diameter area of the compressor wheel. No downsizing of the compressor housing ahead of the wheel will be allowed. The exhaust housing being no larger than a 4 outlet measured as above. Inlet will be measured using a 3.005 slug, exhaust using a 4.005 slug. Turbo must be under hood or shrouded end to end and 360 degrees around with .060 steel or heavier. It must be shrouded if under a fiberglass hood.
13. Air Shutoff Diesel powered vehicles must have a cable operated engine air intake shutoff device. Device cannot be a butterfly type and must be spring loaded. Cable must be located approximately 4 feet above the point of hook and within 6 inches of the center of the vehicle. Device must prevent the engine from building boost. The sled requires a 2 inch ring or equivalent be attached at the end of the cable. Mount cable in clear view. Do not mount below weights. Non-diesel powered vehicles must have a cable operated electric cutoff switch mounted on the rear of the vehicle. This switch is to kill spark to the engine and shut off electric fuel supply pumps in the event that the switch is activated.
14. Dump Valve - A 3-way fuel dump valve is required ahead of the injection pump. This valve is to be operated by a cable on the dash. Diesel only.
15. Neutral Start Vehicle must not be able to be started while in gear.
16. Brakes - All tractors must have working rear brakes capable of sliding the rear tires.
17. Throttle - Throttle lever must have a spring installed such that if the throttle lever is released, the engine will return to an idle. Throttle must function such that moving the throttle lever forward, increases the engines RPM.
18. Stabilizer Bars - Stabilizer bars are required (no wheels allowed). The stabilizer bars cannot be bolted, welded, etc. to the drawbar in any way. The stabilizer bars must extend a minimum of 32 inches rearward from the center of the rear axle. The skid pad cannot be more than 10 inches off of the ground. The skid pad must be a minimum of 5 X 5 square. A minimum of 20 inches is allowed between the 2 skid pads. No cross bars are allowed on the stabilizer bars behind the point of hook. In addition to stabilizer bars, the vehicle must have a brace that extends vertically 12 from the rear most tip of skid pads. There must be a support brace extending inward to frame, axle or top of stabilizer bar arms. Materials used must be of minimum strength of materials used for stabilizer bars. Design and material must withstand severe impact of sled. Vertical brace should extend rearward a minimum 2 from radius of rear tires.
19. Engine Cooling Fan - Tractors must have an electric operated cooling fan. Stock steel bladed fans that are driven by a belt are not allowed.
20. Shields - All tractors must have a deflection shield on both sides of the engine, and cover the entire engine, either aluminum or steel not less than 0.060 thick. There must be a fire wall that separates the operator from the engine compartment with no holes other than those used for controls to pass through. In that instance, each hole is not to have more that ½ inch clearance around the item passing through the fire wall. .060 thick steel or .120 aluminum must run between the frames and under the harmonic balancer to prevent loss of harmonic balancer from the tractor.
21. Fire Extinguisher - Vehicle must be equipped with a minimum of a 2.5 lb dry type or a 2 lb Haylon type fire extinguisher that must be located within easy reach of the operator. Fire extinguisher must be fully charged.
22. Personal Safety Equipment - Driver must wear a helmet, snell rating of 85 or higher and a head sock. Driver must wear a fire suit jacket and pants, SFI 3.2A-1 minimum. Driver must wear SFI approved shoes. Driver must wear a minimum of SFI approved single layer gloves.
23. Exhaust - A smoke tube is required, indoor only. Exhaust must have two 3/8 bolts, grade 5 minimum, positioned in the exhaust tube 90 degrees to each other and with 1 inch of each other.
6,500 Light Super Stock
All tractors have to meet NTPA/PPL/Outlaw safety standards and chassis and engine configurations. Component chassis will be allowed. MUST HAVE SECONDARY HITCH.
505 c.i.d. and below on alcohol, component/ non component tractors will weigh 6,500 lbs.
380 c.i.d. and below on alcohol, non component tractors & Nebraska Bush Pullers tractors on alcohol will weigh 7,000 lbs.
505 c.i.d. and below on diesel, component/ non component tractors will weigh 7,000 lbs.
1. Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3 diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.
2. Chassis - Maximum of 114 wheelbase unless originally produced with a longer wheelbase at which point the wheelbase will remain stock. Maximum length of 13 feet from center of rear axle to forward-most point of vehicle excluding the front hitch. Wide front ends only. Component chassis allowed.
3. Drawbar - Must be a minimum of 18 inches behind center of rear axle, a maximum of 20 inches in height, and be ridged in all directions. Hitching eye to be a minimum of 1 inch thick with a 3 by 3.5 inside diameter hole.
4. Floorboard - All vehicles must be equipped with a floorboard.
5. Fenders - All tractors must have fenders and must support weight of driver. Top of fender must extend no less than a 6 over the top of the tires.
6. Roll Cage - Tractors must be equipped with a roll cage with an SFI 5 point harness.
7. Engine - Engine must be OEM designed block and match the vehicles drive line or factory replacement block for that tractor with factory appearing head for that tractor at the time of manufacture.
6,500 Natural Super Stock
*NEW FOR 2009* ALL TRACTORS MUST HAVE A ROLL CAGE
Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3 diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.
Chassis - Maximum of 114 wheelbase unless originally produced with a longer wheelbase at which point the wheelbase will remain stock. Maximum length of 13 feet from center of rear axle to forward-most point of vehicle excluding the front hitch. Wide front ends only. Must be OEM tractor rear end and transmission.
Drawbar - Must be a minimum of 18 inches behind center of rear axle, a maximum of 20 inches in height, and be ridged in all directions. Hitching eye to be a minimum of 1 inch thick with a 3 by 3.5 inside diameter hole.
Floorboard - All vehicles must be equipped with a floorboard.
Fenders - All tractors must have fenders and must support weight of driver. Top of fender must extend no less than a 6 over the top of the tires.
Engine - Engine must be OEM designed block and match the vehicles drive line or factory replacement block.
Tires 20.8 x 38 or 18.4 x 38
Weight 6,700 lbs.
Fuel Gasoline, Alcohol, and Propane only. No nitrous oxide and NO NITROMETHANE. SORRY, NO DIESELS IN 2009
Fuel Tanks - No pressurized tanks except propane, when used as a primary fuel only.
Kill Switches Mandatory electrical kill switch for spark ignition engines. Diesel engines must have system to shut off air to the engine.
Neutral Start Vehicle must not be able to be started while in gear.
Brakes - All tractors must have working rear brakes capable of sliding the rear tires.
Throttle - Throttle lever must have a spring installed such that if the throttle lever is released, the engine will return to an idle. Throttle must function such that moving the throttle lever forward, increases the engines RPM
Stabilizer Bars - Stabilizer bars are required (no wheels allowed). The stabilizer bars cannot be bolted, welded, etc. to the drawbar in any way. The stabilizer bars must extend a minimum of 32 inches rearward from the center of the rear axle. The skid pad cannot be more than 10 inches off of the ground. The skid pad must be a minimum of 5 X 5 square. A minimum of 20 inches is allowed between the 2 skid pads. No cross bars are allowed on the stabilizer bars behind the point of hook. In addition to stabilizer bars, the vehicle must have a brace that extends vertically 12 from the rear most tip of skid pads. There must be a support brace extending inward to frame, axle or top of stabilizer bar arms. Materials used must be of minimum strength of materials used for stabilizer bars. Design and material must withstand severe impact of sled. Vertical brace should extend rearward a minimum 2 from radius of rear tires.
Engine Cooling Fan - Tractors must have an electric operated cooling fan. Stock steel bladed fans that are driven by a belt are not allowed.
Shields - All tractors must have a deflection shield on both sides of the engine, and cover the entire engine, either aluminum or steel not less than 0.060 thick. There must be a fire wall that separates the operator from the engine compartment with no holes other than those used for controls to pass through. In that instance, each hole is not to have more that ½ inch clearance around the item passing through the fire wall. .060 thick steel or .120 aluminum must run between the frames and under the harmonic balancer to prevent loss of harmonic balancer from the tractor.
Fire Extinguisher - Vehicle must be equipped with a minimum of a 2.5 lb dry type or a 2 lb Haylon type fire extinguisher that must be located within easy reach of the operator. Fire extinguisher must be fully charged.
Personal Safety Equipment - Driver must wear a helmet, snell rating of 85 or higher and a head sock. Driver must wear a fire suit jacket and pants, SFI 3.2A-1 minimum. Driver must wear SFI approved shoes. Driver must wear a minimum of SFI approved single layer gloves.
Light Pro Field tractor Rules:
3000 RPM limit with 1% tolerance
18.4x38 max. tire size
361 cubic inch limit on turbo tractors
Must run a minimum of 2 bar cage
NO TOLERANCE WILL BE ALLOWED
ON TIRE SIZE
2. All tractors will be equipped with a five-point
harness and have a roll cage.
3. Turbo and non-turbo tractors run in the same
weight class.
4. Diesel powered tractors can run any injection pump.
Maximum size of an A pump. No computerized
injection systems.
5. Gasoline-powered tractors can have any
agricultural, updraft carburetor.
6. Tractors will have operative, factory-equipped
governors which will be checked by: (A) visual
retarding movement of the throttle linkage from
governor case to carburetor; and (B) audible
acceleration when clutch is engaged while holding
brakes on with tractor in high gear.
7. Water Injection is allowed.
8. Weights must be secured to the tractor, Rear
weights must not be more than 3 maximum behind
rear tires. Tractor length is not to exceed 13 from
center of rear axle to farthest point forward
including weights. Maximum of 6 tow-hook not
include din 13 length.
8,000 Alcohol Super Stock
All tractors have to meet NTPA/PPL/Outlaw safety standards. The engine must match sheet metal. Weight will be 8,000 lbs. Alcohol Super Stocks with over 505 c.i.d. and a overhead cam, 8,200 lbs. Alcohol Super Stocks with under 505 c.i.d. and a overhead cam or under 650 c.i.d. and without a overhead cam.
Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3 diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.
8,500 Light Pro Stock
8,500 lb. Light Pro Stock
All OEM chassis Pro Stock rules, including shielding, safety and SFI requirements, apply to this class plus the following rules.
Class weight 8500 lbs.
540 c.i.d. tractors with 3 x 3 turbochargers may weight 9,500 lbs.
A. Engines
1. No engine larger than 540 cid. (+ or - 1 percent)
2. No component chassis
3. Engine head must be OEM agricultural-type for that brand engine. (No billet)
4. No overhead cams allowed.
5. Maximum 2 valves per cylinder
6. No inner / after coolers
7. Diesel fuel only
8. Maximum allowed "P" pump 3000 or 7100 series only (No aftermarket housing). Only one plunger per cylinder allowed.
9. Any size turbo may be used
8,500 Limited Pro Stock
1. All tractors have to meet NTPA/PPL/Outlaw safety standards and chassis configurations. No component chassis allowed.
2. Cubic Inch Limit: 470 c.i.d.
3. Turbocharger Limit: Single turbo with 3-inch diameter intake maximum. Diameter measured at front face of wheel. Compressor wheel must enter into the compressor housing. Map width enhancement grooves are NOT allowed.
4. . Fuel Pump - Bosch P series pump Model 3000 and 7100 maximum size allowed.
5. Intercoolers will not be allowed.
6. Tires: 24.5 x32 or 20.8 x 38 or 18.4 x 42 maximum.
7. Front Hitch: All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3 diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.
8. Exhaust: A smoke tube is required, indoor only. Exhaust must have two 3/8 bolts, grade 5 minimum, positioned in the exhaust tube 90 degrees to each other and with 1 inch of each other.
Weights:
8,500 lbs. No MAP ring 3x4 turbo P-pump and 24.5 x 32 tires
8,200 lbs. MAP ring 3 x 4 turbo P-pump and 20.8 x 38 tires
8,200 lbs. MAP ring 3 x 4 turbo A-pump , intercooler and 24.5 x 32 tires.
9,000 Limited Pro Stock
All tractors have to meet NTPA/PPL/Outlaw safety standards and chassis configurations. No component chassis allowed.
1. 640 CID and below
A. 3 X 4 turbo maximum
A compressor measurement to be measured at the face of the inlet and must protrude into the intake housing a minimum of 1/8 inch. Map width enhancement grooves allowed. NO SLUGGED DOWN TURBOS ALLOWED.
B. Bosch P-series pump Model 7100 maximum length.
C. Weight 9500#
2. 540 CID and below (ATPA East Coast Series and Interstate Pullers)
A. No turbo limit
B. Bosch A-series pump
C. Weight 9000#
3. 540 CID and below
A. No turbo limit.
B. Bosch P-series pump maximum
C. Weight 8500#
4. Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3 diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.
5. Exhaust - A smoke tube is required, indoor only. Exhaust must have two 3/8 bolts, grade 5 minimum, positioned in the exhaust tube 90 degrees to each other and with 1 inch of each other.
9,300 Super Farm
PLEASE NO WATER ADDITIVES CONTAINING ANY FORM OF ALCOHOL IN WATER INJECTION WATER!!!! PLEASE! PLEASE! PLEASE! DO NOT TURN OUR TECHMEN INTO BAD GUYS!!!!!!!
Weights
NTPA/Outlaw legal = 9,300lbs.
PPL-Badger State - Pullers Inc.-ORVTPA- Tri State Tractors with intercoolers = 9,300 lbs.
PPL-Badger State - Pullers Inc.-ORVTPA- Tri State Tractors without intercoolers = 9,800 lbs.
Exhaust - A smoke tube is required, indoor only. Exhaust must have two 3/8 bolts, grade 5 minimum, positioned in the exhaust tube 90 degrees to each other and with 1 inch of each other.
Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3 diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.
9,500 Hot Farm
*NEW rule for 2009: ALL TRACTORS MUST HAVE WELD ON HUBS
1. Weight 9,500 lbs. P-pump or 10,000 lbs. A-pump
2. Front Hitch - All vehicles must have a front hitch attached to the vehicle that is capable of supporting the weight of the front of the vehicle. It must be the furthest most point on the vehicle and be centrally located. The hitch must have a minimum of a 3 diameter hole to allow for the 3 point mounted hitches on the movers to manipulate the competing vehicles. No weights are to be positioned next to the hitch in a way that may restrict the turning radius of the movers once they have picked up the front of the vehicle.
3. Hoods - Tractor must retain stock appearance and sheet metal stock location. Allow for updates.
4. Shields - All tractors must have a deflection shield on both sides of the engine, and cover the entire engine, either aluminum or steel not less than 0.060 thick. There must be a firewall that separates the operator from the engine compartment with no holes other than those used for controls to pass through. In that instance, each hole is not to have more that ½ inch clearance around the item passing through the firewall. .060 thick steel or .120 aluminum must run between the frames and under the harmonic balancer to prevent loss of harmonic balancer from the tractor.
5. Throttle - Throttle lever must have a spring installed such that if the throttle lever is released, the engine will return to an idle. Throttle must function such that moving the throttle lever forward, increases the engines RPM.
6. Fenders - All tractors must have fenders and must support weight of driver. Top of fender must extend no less than a 6 over the top of the tires.
7. Chassis - Maximum of 114 wheelbase unless originally produced with a longer wheelbase at which point the wheelbase will remain stock. Maximum length of 13 feet from center of rear axle to forward-most point of vehicle excluding the front hitch. No component tractors allowed.
8. Brakes - All tractors must have working rear brakes capable of sliding the rear tires.
9. Drawbar - Must be a minimum of 18 inches behind center of rear axle, a maximum of 20 inches in height, and be ridged in all directions. Hitching eye to be a minimum of 1 inch thick with a 3 by 3.5 inside diameter hole.
10. Cubic Inch:
· Ohio River Valley Pullers Association: 470 cid and 3 X 4 turbocharger
· Indiana Super Farm Pullers Association: 510 cid and 3 X 3.5 turbocharger
· Middle Tennessee Pullers Association: 540 cid and 3 X 3 turbocharger
· Illinois Stock Pullers Association: 505 cid and 3" X 3.5" turbocharger. Slots allowed.
All Pro Field tractors must run under their home club rules at 10,000 lbs. MSTPA, NWMTPA, & MMTPA
NOTE: All tractors must conform to one of these sets of rules and limitations.
10. Fuel - Stock fuel for make and model of tractor (No Compressed air, Nitrous Oxide or Fuel Conversions, No Propane, or Nitro Methane allowed) with exception of starting aid. Water injection allowed. NO INTERCOOLERS, OF ANY FORM OR SHAPE ALLOWED IN THE AIR INTAKE SYSTEM OF ANY TRACTOR.
12. Tires - 20.8 x 38 MAXIMUM with a MAP ENHANCEMENT RING TURBOCHARGER (3"x4", 3"x3.5" or 3"x3"), 24.5 x 32 tires are allowed if you have a NON MAP ENHANCEMENT RING (SMOOTH BORE) TURBOCHARGER (3"x4", 3"x3.5" or 3"x3"). YOU CANNOT HAVE 24.5 TIRES WITH A SLOTTED TURBOCHARGER!!!!!
13. Fuel Pump - Bosch P series pump allowed. Model 3000 and 7100 maximum. NO 8000 series pumps allowed.
14. Engine - OEM stock block, head, intake manifold & exhaust manifold must be used for make and model of vehicle being entered. No aftermarket components allowed. No aluminum heads.
15. Stabilizer Bars - Stabilizer bars are required (no wheels allowed). The stabilizer bars cannot be bolted, welded, etc. to the drawbar in any way. The stabilizer bars must extend a minimum of 32 inches rearward from the center of the rear axle. The skid pad cannot be more than 10 inches off of the ground. The skid pad must be a minimum of 5 X 5 square. A minimum of 20 inches is allowed between the 2 skid pads. No cross bars are allowed on the stabilizer bars behind the point of hook.
16. Air Shutoff - Vehicle must have a cable operated engine air intake shutoff device. Device cannot be a butterfly type and must be spring-loaded. Cable must be located approximately 4 feet above the point of hook and within 6 inches of the center of the vehicle. Device must prevent the engine from building boost. The sled requires a 2-inch ring or equivalent be attached at the end of the cable. Mount cable in clear view. Do not mount below weights.
17. Neutral Start Vehicle must not be able to be started while in gear.
18. ROPS - Tractors must have a factory ROPS and quick disconnect lap belt. It is optional to have a roll cage with an SFI 5 point harness.
19. Turbo
· ORVTPA tractors: Single turbo with 3-inch diameter intake maximum. Diameter measured at front face of wheel. Compressor wheel must enter into the compressor housing. Map width enhancement grooves allowed.
· Indiana Super Farm Pullers Assn: and Illinois Stock Pullers Assn: Single turbo with 3-inch diameter intake maximum and 3.5 inch diameter exhaust. Diameters measured at front face of wheel. Wheels must enter into the housings. Map width enhancement grooves allowed.
· Middle Tennessee Pullers Assn: Single turbo with 3-inch diameter intake maximum and 3-inch diameter exhaust. Diameters measured at front face of wheel. Wheels must enter into the housings. Map width enhancement grooves allowed.
20. Clutch - Clutch and Flywheel Must Be Steel. Notarized papers required.
21. Clutch Blanket - Tractors must be equipped with a minimum of 17 wide, 6 straps SFI 4.2 clutch blanket. Blanket must overlap a minimum of 6 inches.
22. Dump Valve - A 3-way fuel dump valve is required ahead of the injection pump. This valve is to be operated by a cable on the dash.
23. Fire Extinguisher - Vehicle must be equipped with a minimum of a 2.5 lb dry type or a 2 lb Haylon type fire extinguisher that must be located within easy reach of the operator. Fire extinguisher must be fully charged.
24. Floorboard - All vehicles must be equipped with a floorboard.
25. Personal Safety Equipment - Driver must wear a helmet, snell rating of 85 or higher and a head sock. Driver must wear a fire suit jacket and pants, SFI 3.2A-1 minimum. Driver must wear SFI approved shoes. Driver must wear a minimum of SFI approved single layer gloves.
Exhaust - A smoke tube is required, indoor only. Exhaust must have two 3/8 bolts; grade 5 minimums, positioned in the exhaust tube 90 degrees to each other and with 1 inch of each other.
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