|
Rules for 2008 8000 lb Pro Street Diesel Truck Class
- Class will run at 8000 lbs. Bodies must remain stock appearing with fire wall intact.
Maximum wheelbase permitted 158.
- Engine must come from factory in one ton or smaller pickup truck. No aftermarket heads. Engine must remain in stock location as intended by manufacturer. Fuel limited to Diesel fuel and Bio-diesel only. No alcohol, nitrous, propane or any oxygen enhancing agents allowed.
- Water injection permitted
Computer chips and boxes permitted.
Stock appearing injection pump required.
Mechanical or electronic fuel injection permitted
- Vehicles are limited to 2 turbochargers only. Single turbo are unlimited. For multiple turbo, the inducer bore on the atmosphere compressor housing(s) may be no larger than
3.0 inches measured at the smallest diameter area of the compressor wheel. A bushing may be used to downsize the compressor housing ahead of the wheel. If a bushing is used, it must be round, at least 3/4 inches long, mounted within 0.050 inch of the compressor wheel, and the inside diameter of the bushing may not exceed 3.0 inch limit. The inducer bore will be measured using a 3.05 inch plug. All provisions allowing air to the wheel other than via the bore are prohibited.
- Exhaust must exit straight up or down with (2) -3/8 inch bolts mounted in a cross pattern.
- No cast iron clutches or flywheels permitted.
- Fuel safety kill and/or air shutoff must be installed on rear of truck. Kill switch will be securely mounted to the back of the vehicle and have a two (2) inch diameter ring to attach the sled.
- Fuel tanks and batteries may be moved but must be securely mounted. Fuel tanks, fuel lines and batteries are NOT permitted in cab of pulling vehicle.
- Must be D.O.T. approved tire. Maximum tire height 36. No studded tires or chains. No alteration to tires allowed. No bar or terra tires. Dual rear wheels are permitted.
- Hook point must be no closer than 48 of centerline of rear axle, hitch height maximum of 26 Hitch point must be easily accessed. No trick type hitches permitted. Hitch must be stationary in all directions. The Hitch must be a minimum of 3.5” opening and must be horizontal the ground to accommodate hook of sled.
- Front weights must be no more than 60 from the center line of the front axle to forward most point and be securely fastened.
- Drive shaft loops required for trucks that do not meet the Street Legal Rules.
S.F.I Bell housing Blankets and/or S.F.I Blow proof Bell
housings required On trucks that do not meet the Street Legal Rules
- No aftermarket transfer cases or transmissions (i.e. Drop boxes, Reversers)
- Suspension modifications are permitted. Removable suspension blocks are permitted. Traction / Ladder bars allowed.
- Fire Extinguishers, helmets, and seatbelts required.
- Trucks may be hauled to the event.
- Trucks can be inspected by technical inspectors any time (and multiple times) during event. All placing trucks will be inspected after event.
- Track and Tech Officials Decisions are Final.
Back to Pulling Track Events
|