PRO PULLING LEAGUE
Pro Street Diesel Trucks
Class will run at 8000 lbs. Trucks must remain stock appearing. Must have upholstered interior. Factory mounted batteries.
Maximum wheelbase permitted 158”.
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.
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. Hitch point must be easily accessed. No “trick” type hitches permitted. Hitch must be stationary in all directions.
One turbo with one pressure stage permitted. Maximum of 3. 5” opening on intake wheel. Turbo mounting plates are permitted.
Exhaust must exit straight up, 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 must be securely mounted in bed of truck. No fuel lines may be inside of truck cab.
Computer chips and boxes permitted.
Stock appearing injection pump required.
Mechanical or electronic fuel injection permitted.
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.
Water injection permitted.
Front weights must be no more than 60” from the center line of the front axle to forward most point and be securely fastened.
Fuel limited to Diesel fuel and Bio-diesel only. No alcohol, nitrous, propane or any oxygen enhancing agents allowed.
Drive train will consist of the following: Any front axle, any transfer case, any rear axle. No planetaries permitted.
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.
S. F. I Bell housing Blankets and/or S. F. I Blow proof Bell housings required
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.
All intermediate shafts between the transmission and transfer case will be totally enclosed in 3/8” aluminum or 5/16” steel, ¼ of shaft may be visible.
Suspension modifications are permitted. Removable suspension blocks are permitted.
Fire Extinguishers, helmets, and seatbelts required.
Trucks may be trailered to the event.
Rules as written will be in effect through the 2007 season.
DIESEL SUPER STOCK FOUR-WHEEL DRIVE
· Weight class will operated at an 8000 lb. maximum
· No Nitrous, Propane or Alcohol*--* #2 Diesel Only
· Water Injection is permitted in this class
· Turbochargers- Limited to 2 stage configuration
· Hanging weights allowed- Weights must not extend more than 60" from centerline of front axle (Weights must be secure)
· 26" Hitch height
· Hitch hook point must not be less than 48" from centerline of rear axle. Min. 3" Diameter ring or clevis
· Hitch must not exceed a maximum of 33 degree angle from pivot point to hook point
· Rigid Suspension allowed
· Drop boxes, Reversers allowed
· Exhaust must exit straight up, stack minimum of cab height.
· Snell 85 or better helmets required
· S. F. I. * Fire suits required.
· No cast iron clutches or flywheels permitted.
· S. F. I Bell housing Blankets and/or S. F. I Blow proof Bell housings required
· 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.
· All intermediate shafts between the transmission and transfer case will be totally enclosed in 3/8” aluminum or 5/16” steel, ¼ of shaft may be visible.
· Fire Extinguishers, helmets and seatbelts required
· Exhaust must exit straight up, minimum of cab height, with (2) -3/8” inch bolts mounted in a cross pattern.
· Air Shutoff's required- consisting of (1) cable to the rear of the truck to be operated by the sled, and also a cable inside the driver's compartment
· 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.
· 35" tire maximum height
· Cut or Sharpened tires allowed
· Maximum engine size will be 460 cubic inches.
· Mechanical or electronic fuel injection permitted.
· All engines will have a deflection shield, running the complete length of the block casting. Shield must be securely fastened and must be . 060” thick.
· Engine must come factory in 1 ton or smaller pickup
· Wheelbase maximum 158”
· Tires and wheels must stay in the center of the wheel wells as intended by the manufacture.
Pro Street Diesel Trucks
Class will run at 8000 lbs. Trucks must remain stock appearing. Must have upholstered interior. Factory mounted batteries.
Maximum wheelbase permitted 158”.
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.
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. Hitch point must be easily accessed. No “trick” type hitches permitted. Hitch must be stationary in all directions.
One turbo with one pressure stage permitted. Maximum of 3. 5” opening on intake wheel. Turbo mounting plates are permitted.
Exhaust must exit straight up, 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 must be securely mounted in bed of truck. No fuel lines may be inside of truck cab.
Computer chips and boxes permitted.
Stock appearing injection pump required.
Mechanical or electronic fuel injection permitted.
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.
Water injection permitted.
Front weights must be no more than 60” from the center line of the front axle to forward most point and be securely fastened.
Fuel limited to Diesel fuel and Bio-diesel only. No alcohol, nitrous, propane or any oxygen enhancing agents allowed.
Drive train will consist of the following: Any front axle, any transfer case, any rear axle. No planetaries permitted.
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.
S. F. I Bell housing Blankets and/or S. F. I Blow proof Bell housings required
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.
All intermediate shafts between the transmission and transfer case will be totally enclosed in 3/8” aluminum or 5/16” steel, ¼ of shaft may be visible.
Suspension modifications are permitted. Removable suspension blocks are permitted.
Fire Extinguishers, helmets, and seatbelts required.
Trucks may be trailered to the event.
Rules as written will be in effect through the 2007 season.
DIESEL SUPER STOCK FOUR-WHEEL DRIVE
· Weight class will operated at an 8000 lb. maximum
· No Nitrous, Propane or Alcohol*--* #2 Diesel Only
· Water Injection is permitted in this class
· Turbochargers- Limited to 2 stage configuration
· Hanging weights allowed- Weights must not extend more than 60" from centerline of front axle (Weights must be secure)
· 26" Hitch height
· Hitch hook point must not be less than 48" from centerline of rear axle. Min. 3" Diameter ring or clevis
· Hitch must not exceed a maximum of 33 degree angle from pivot point to hook point
· Rigid Suspension allowed
· Drop boxes, Reversers allowed
· Exhaust must exit straight up, stack minimum of cab height.
· Snell 85 or better helmets required
· S. F. I. * Fire suits required.
· No cast iron clutches or flywheels permitted.
· S. F. I Bell housing Blankets and/or S. F. I Blow proof Bell housings required
· 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.
· All intermediate shafts between the transmission and transfer case will be totally enclosed in 3/8” aluminum or 5/16” steel, ¼ of shaft may be visible.
· Fire Extinguishers, helmets and seatbelts required
· Exhaust must exit straight up, minimum of cab height, with (2) -3/8” inch bolts mounted in a cross pattern.
· Air Shutoff's required- consisting of (1) cable to the rear of the truck to be operated by the sled, and also a cable inside the driver's compartment
· 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.
· 35" tire maximum height
· Cut or Sharpened tires allowed
· Maximum engine size will be 460 cubic inches.
· Mechanical or electronic fuel injection permitted.
· All engines will have a deflection shield, running the complete length of the block casting. Shield must be securely fastened and must be . 060” thick.
· Engine must come factory in 1 ton or smaller pickup
· Wheelbase maximum 158”
· Tires and wheels must stay in the center of the wheel wells as intended by the manufacture.
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