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ATPA Pro Street Truck Rules
ATPA Pro Street Truck Rules:
1. Class will run at 8000 lbs. Trucks must remain stock appearing. Must have upholstered interior. Factory mounted fuel tanks and batteries.
2. Maximum wheelbase permitted 158.
3. Maximum engine size will be 460 cubic inches. Engine must come from factory in one ton or smaller pickup truck. Engine must remain in stock location as intended by manufacturer.
4. Hook point must be no closer than 48 of centerline of rear axle, hitch height maximum of 26, with a minimum of a 3 opening. The hitch point will be from a Reese Type hitch. No other types of hitches are permitted. Hitch point must be easily accessed. No trick type hitches permitted. Hitch must be stationary in all directions.
5. One turbo with one pressure stage permitted. Maximum of 3 opening on intake wheel. Turbo mounting plates are permitted.
6. Computer chips and boxes permitted.
7. Stock appearing injection pump required.
8. Mechanical or electronic fuel injection permitted.
9. Must be D.O.T. approved tire. Maximum tire height 35. No studded tires or chains. No alteration to tires allowed. No bar or terra tires. Dual rear wheels are permitted.
10. Water injection permitted.
11. Front weights must be no more than 60 from the center line of the front axle to forward most point and be securely fastened.
12. Fuel limited to Diesel fuel and Bio-diesel only. No alcohol, nitrous, propane or any oxygen enhancing agents allowed.
13. Axle shields are required. Shield to be .060 thickness steel or aluminum. Shield not to be mounted to axle ends or hub bolts. A hole may be cut in one to allow locking in of hubs.
14. Only OEM transmissions and transfer cases permitted.
15. All differentials must be OEM from one ton or smaller pickup truck and have working brakes on all axles.
16. S.F.I Bell housing Blankets and/or S.F.I Blow proof Bell housings required
17. All U-joints must be shielded 360 degrees with 3/8 thick aluminum or 5/16 thick steel. Shield will be 6 inches long minimum and centered on U-joint. Inside diameter of shield will no more than 2 inches larger than U-joint.
18. All intermediate shafts between the transmission and transfer case will be totally enclosed in 3/8 aluminum or 5/16 steel, Ό of shaft may be visible.
19. Suspension modifications are permitted. Removable suspension blocks are permitted.
20. Exhaust must exit straight up, minimum of cab height, with (2) -3/8 inch bolts mounted in a cross pattern.
21. Safety fuel kill and or air shutoff must be installed on rear of truck.
22. Fire Extinguishers, helmets, and seatbelts required.
23. Driver must have proof of insurance and registration. Trucks may be trailered to the event.
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