PRO STOCK DIESEL 4x4 TRUCKS

USA-EAST Sled Pulling                 2012 Season Rules

FULL PULL PRODUCTIONS, INC. – JAMESTOWN, PENNSYLVANIA

CLASS REQUIREMENTS

Class Jumping:

Trucks may not collect points in both the Pro Stock Diesel and the Street Licensed Diesel classes.  Trucks are permitted to collect points in both the Pro Stock Diesel and the RWYB classes.

Weight:

8000 lbs. Maximum.  Weight with driver.  All vehicles must cross the scales prior to participating. Fuel and water may not be added after crossing the scales – except if qualified for a pull-off.

Ballast:

Additional added weight is permitted. Hanging weights may not extend more than 60 inches from the centerline of the front axle.

Body:

The body must be the OEM truck body. Fiberglass body parts are prohibited. The complete truck body must have factory sheet metal and factory glass windows. The cab must have O.E.M. firewall and O.E.M. Floor for safety. Bed floor, inner and outer skins must be O.E.M or O.E.M. replacement materials. Design modifications to reduce weight are NOT permitted. Wooden flatbeds that are factory or heavier built are permitted with previous approval from the USA-East Tech Committee and will be subject to a handicap. Fiberglass hoods and Fiberglass Hood Scoops are permitted. Fiberglass body panels are not permitted unless they are O.E.M. Factory parts for the make and model of truck and used as the manufacturer intended. If no bed floor,  200 lbs of moveable weight must be placed behind the rear axle, must still have bed sides.

Chassis:

An OEM chassis with complete OEM floor pan and firewall is mandatory. Wheel tubs, back-half conversions, tube chassis, etc., are prohibited. The engine must be in the OEM location for the body used. The vehicle must retain the full factory frame.

Wheelbase:

The vehicle must retain the original factory wheelbase (+/- 1”) and track width for the body used.

Street Equipment:

Windows must be operative per factory specifications; that is, they must open and close via electrical or OEM mechanical means.

Engine:

The engine is restricted to 6 cylinder and 8 cylinder compression ignition engines. All vehicles must have an OEM engine.  All fuel pumps must be a “P” style pump.  Engine must have been available in a one ton or less truck from the factory. Unlimited engine swaps between or within manufacturers are permitted.

Cooling System:

Radiators may either be in the stock location or may be moved to the bed of the truck.  Radiators must be of at least of stock size.

Exhaust:

All vehicles must be equipped so as to direct exhaust upward.  Exhaust through the hood is permitted.  Two 3/8 inch diameter bolts must be placed in a cross pattern within one inch of each other as close to the final turbo as is practical.

Fuel:

The fuel must be pump #1/#2 diesel only. Soy/Bio-diesel fuel is permitted.

Nitrous Oxide:

Nitrous oxide is prohibited. All other oxygen extenders are prohibited. System components must be removed from the truck.

Propane:

Propane is prohibited. System components must be removed from the truck.

Water Injection:

Water injection is permitted. Alcohol, methanol, and all other flammables are prohibited. Commercially available pump lube is allowed.

Turbocharger:

Turbochargers are limited to dual stage set-ups. Twins are limited to a 3.0 inch inducer bore on the atmosphere turbo; the bore will be measured using a 3.05 inch slug. Single turbochargers are unlimited in size.

Hitch:

The hitch must be stationary in all directions. The hitch's height from the ground may not exceed 26 inches.  The length of the hitch measured from the center of the rear axle to the hitch point may be no shorter than 27% of the actual wheelbase of the truck. The area where the hook point is at must be free and clear of any obstructions. A truck may compete with a Reese style hitch or may pull from the bumper as long as it meets the 27% rule.   The hooking point must have a minimum 3.75 inch inside diameter opening.  No lever, pivot, axis or other types of ‘trick’ hitches are prohibited.   No vertical hitches, all hitches must be 33 degrees or less parallel to the ground.  A second hitch is not required in this class.

Throttle:

Either the normal foot throttle or an approved spring-loaded hand throttle will be permitted in this class.  (See General Rules)

Driveline:

An OEM transmission and transfer case is mandatory. It must have been an option on a one-ton or smaller pick up.

Driveshaft Loops:

All trucks must have at least six inch wide u-joint shields around the rear u-joints constructed of at least 1/4 inch steel or 3/8 inch aluminum that will safely contain the u-joint and the ends of each shaft. In addition there will be at least one shaft loop in the middle of the drive shaft. All shields must be securely mounted to the vehicle. Any front shaft u-joint that is visible from the side of the truck must be shielded to contain the u-joint and the end of the shaft.

Flywheel Shield:

All vehicles equipped with a manual transmission must have a flywheel shield labeled as meeting minimum SFI Spec 6.3 or greater. Applications for which an SFI Spec flywheel shield is not available may use a properly attached SFI 4.1 or 4.2 blanket that completely covers the bell housing may be used in place of the shield; it must be attached to the block and extend rearward to the transmission with a minimum six inch overlap where it is fastened.

Transmission, Manual:

Non-OEM transmissions are prohibited. A clutch meeting minimum SFI Spec 1.1 or 1.2 is mandatory on all vehicles. All transmissions must be clutch assisted. Sequential shifters are prohibited.

Transmission, Automatic:

Non-OEM transmissions are prohibited. Aftermarket torque converters, valve bodies and internal components are permitted. Transmission brakes are prohibited. Any non-OEM floor-mounted automatic transmission shifter must be equipped with a spring-loaded positive reverse lockout device to prevent the shifter from accidentally being put into reverse gear. A functional neutral safety switch is mandatory. All transmission lines must be metallic or high-pressure type hose. All vehicles with engines running 4500 RPM or more and using an automatic transmission must be equipped with a transmission shield meeting SFI Spec 4.1 and must be labeled accordingly. A blanket-type shield, appropriately labeled as meeting SFI Spec 4.1 and extending from the rear of the block to front of tail housing with a minimum six inch overlap where it is fastened, is permitted. All non-blanket-type shields must incorporate two (or one, per manufacturer’s instructions) 3/4 inch by 1/8 inch straps that bolt to the shield on each side and pass under the transmission pan unless the transmission pan is labeled as meeting SFI Spec 4.1. All vehicles with engines running 4500 RPM or more and using an automatic transmission must be equipped with a flex plate meeting SFI Spec 29.1 and be covered by a flex plate shield meeting SFI Spec 30.1.

Brakes:

Front hydraulic brakes are mandatory.

Suspension, Front:

The upper mounting point for strut assemblies must be in the factory location. Adjustable caster/camber pillow ball mounts are permitted. The lower control arm may be strengthened provided factory-mounting points to chassis are maintained. The lower mounting point for the strut assembly may be modified for improved caster or camber. Strut tower braces, lower tie bars, sway bars, and limit straps are permitted. Traction bars and devices are permitted.

Suspension, Rear:

A solid REAR suspension is permitted. Must still use OEM mounting points. Lift Kits are acceptable.

Rear End:

Non-OEM rear end housings are prohibited. The rear end must have been an option on a one-ton or smaller pickup. Rear axle bolts must be covered by a cap or shield. An “open” rear-end only is permitted. (i.e.- Rockwell rear end).

Tires:

Tires must be street legal tires with a DOT number on the sidewall. Cut tires are NOT permitted. Dual rear wheels may be used in competition. Tires can not be wider than 102” inches measured from the outside sidewall to the opposite outside side wall and must be a minimum of 50” inches measured from inside side wall to opposite inside side wall.

Fire Extinguisher System:

A fire extinguisher system is permitted. It must be securely mounted.

Safety Light:

All trucks must have a neutral safety light:

* A white light, automotive quality, a minimum of 2 inches in diameter, must be mounted within six inches of hooking   

     point.

* A light in the driver’s compartment must be operated from the same system.

* Both lights will be operated from of the shifter lever.

Batteries:

Batteries must be securely mounted; they may not be located in the driver compartment.

Master Cutoff:

A sled- and driver- operated spring loaded emergency air shut off is mandatory. The cable must terminate into a two inch diameter steel ring.

Fuel cutoff:

All trucks must be equipped with a driver operated fuel shutoff capable of blocking fuel flow to the injection pump. A three way dump valve is recommended.

Throttle:

Either the normal foot throttle or an approved spring-loaded hand throttle will be permitted.

Credentials:

All drivers must have a valid state driver’s license.

Trucks in this class do NOT have to be licensed or inspected or insured.

Any street licensed truck that chooses to enter this class MUST be licensed and insured.

Driver Restraint System:

The OEM restraint system is mandatory and must be worn.

3.0 Diesel Trucks (using NADM rules):

Allowed to compete and collect points for 2012 season. Must meet the rules of the Pro Stock Diesel class with the following exceptions:

• If no bed floor   200 lbs of moveable weight must be placed behind the rear axle must still have bed sides
• Open driveline permitted

Helmet:

Helmet is required.  It must meet Snell 90, 95, 2000, K98 or SFI Spec 31.1 or 41.1 standards.

Purse:

TBA

Entry Fees:

All PRO STOCK DIESEL 4x4 TRUCK entry fees will be $25.00 per truck.  Each entry is entitled to at least two (2) free admissions to any point event.

Point Fund and Point Race:

A PRO STOCK DIESEL 4x4 TRUCK “POINT RACE” will be conducted in 2012.  Points will be assigned with fifty (50) to the winner and down by two.  All trucks will receive at least twenty points at each event where they compete.  

Invitational Pulls:

The PRO STOCK DIESEL division may have end-of-season ‘invitational’ pulling events.  The trucks invited to these special pulls will be determined based on the 2012 point race. A truck may collect points in both RWYB & Pro Stock classes but the class they are higher in will be the one used for invitational events