08 PRO STREET DIESEL 4x4 TRUCKS

The rules promulgated in these rules are intended as guidelines for the sport of Pro Street Diesel 4x4 truck pulling. These rules have been adopted by Full Pull Productions, Inc. for the 2008 season. Nothing herein should be construed as a guarantee against injury or death to participants, crewmen, family members, bystanders or spectators. Each participant at a Full Pull Productions’ pulling event must assure that their equipment and replacement equipment throughout the season meets the requirements for this class.

The Pro Street Diesel 4x4 Truck division is different than the 8000 lb. Street Legal Diesels

Trucks may not collect points in both the Pro Street Diesel and the Street Licensed Diesel classes.

Trucks are permitted to collect points in both the Pro Street Diesel and the RWYB classes.

Any truck that competes more than two (2) times in 2008 in the Pro Street Diesel 4x4 division will

be restricted from any further competition in the Street Licensed 4x4 division at USA-EAST pulls.

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.

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

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.

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

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.

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.

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

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

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 or calipers. COMPRSSOR WHEEL MUST PROTRUDE INTO 3.0” BORE Single turbochargers are unlimited in size.

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

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.

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.

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.

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.

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..

An OEM-style suspension is mandatory. Traction bars and devices permitted. They must be bolt-on only; welds are permitted for attachment to the frame or axle housing. Control arms may be strengthened or replaced, provided all original mounting points are retained. Strut tower braces, lower tie bars, sway bars, limit straps, and camber kits are permitted. The rear suspension must maintain a minimum shock travel of one inch. All rear suspensions must use at least one working shock absorber per wheel.

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.

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 3.5 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.

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 but must stay within the OEM wheel wells.

A complete interior, including dashboard, door panels, headliner, etc., is mandatory. Aftermarket seats are permitted; they must be fully upholstered. All factory controls (lights, signals, horn, windows, wipers, etc.) must be retained and be operative.

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

Complete headlight and taillight assembly (all) are mandatory and must be operative. Complete OEM windshield and windows are mandatory. Windows must be operative per factory specifications; that is, they must open and close via electrical or OEM mechanical means.

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

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

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.

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

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

All PRO STREET DIESEL 4x4 TRUCK classes will pay to ten (10) places with a minimum of $500.00 to win at any POINT event within the series. The minimum purse may be raised at any event.

2008 STANDARD PURSE: 500 – 400 – 300 – 200 – 150 – 100 – 75 – 55 – 50 – 45

All PRO STREET 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.

A PRO STREET DIESEL 4x4 TRUCK “POINT RACE” will be conducted in 2008. 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. Each truck may miss one event and still collect last place points less two at that pull. The owner must notify Full Pull Productions before missing an event in order to receive these ‘dropped hook’ points. No more than two trucks may take their “dropped hook” at any single event. Truck may not participate at another event when using ‘dropped hook’.

The PRO STREET DIESEL division may have end-of-season ‘invitational’ pulling events. The trucks invited to these special pulls will be determined based on the 2008 point race.