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Message: [QUOTE="BDP Sales, post: 441307, member: 1096"] Workstock Rules: 2012 BDP Work Stock Diesel Truck Rules The Work Stock Diesel class is designed for daily driven on the road full bodied, four wheel drive pickup trucks with a variety of performance upgrades. A valid DOT registration and license plates are mandatory. Weight: 8500 lb Regulations: Ballast: Ballast is permitted. Ballast may be added to the bed of truck. Ballast must be securely mounted in the bed. No weights permitted in the cab of truck. Front ballast must not exceed 60 inches from the center of the front axle. Batteries: The Batteries must be securely mounted and in the factory location. Body: The body must be the OEM truck body including the full bed floor. The body must retain full sheet metal. Metal aftermarket hoods are permitted. No fiberglass hoods. The hood shall be closed and securely latched while the truck is hooked to the sled. The complete OEM firewall and complete OEM floor pan is mandatory. A factory installed pickup bed or commercial aftermarket flatbed must be installed. Brakes: Four wheel hydraulic brakes are mandatory and functional. Chassis: The OEM chassis is mandatory. The engine must be in the OEM location for the body used. The vehicle must retain the full OEM chassis. Wheel tubs, back half conversions, tube chassis, etc, are prohibited. Cooling System: Radiators must be in stock location and be of at least stock size Compressed Gases: Use of any compressed gases is prohibited. (Nitrous or propane or any other) Credentials: All drivers must have a valid state driver’s license. Vehicle must have current registration and current license plates. And proof of insurance may be required. Driveline: An OEM transmission and transfer case are mandatory. They must have been an option on a one ton or smaller pickup. Drive Shaft Loops: Are not required but are highly recommended, and may be required by tech officials if driveline damage occurs regularly. Recommended to be at least six inch wide u-joint shields around the rear u-joint constructed of at least ¼ inch steel or 3/8 inch aluminum that will safely contain the u-joint and the end of the rear 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 shaft. Driver Restraint System: The OEM restraint system is mandatory and must be worn. Engine: The engine is limited to a stock appearing, OEM compression engine, available from the factory in a one ton or smaller truck. Exhaust: All vehicles must be equipped to direct exhaust upward. The exhaust must exit rearward of the driver’s compartment. Stacks exiting through the hood or fender wells are prohibited. If the muffler or catalytic converter have been changed from stock, two (2) 3/8 inch diameter bolts must be installed through exhaust pipe in a cross pattern within one (1) inch of each other and as close to the turbo as practical. Bolt heads welded to the pipe, or sheet metal screws to mimic this will be grounds for disqualification. Fire Extinguisher System: A fire extinguisher system is permitted, it must be securely mounted All vehicles are recommended to have at least a 2 ½ lb extinguisher with working gauge securely mounted within drivers reach. Fuel: The fuel must be pump #1, #2 diesel, or Soy/Biodiesel. Off road fuel is prohibited. Must be commercially available fuel. Fuel Injection Pump: The fuel injection pump is limited to stock appearing, OEM engine make-specific pump only. The use of multiple high pressure common rail fuel pumps or HPOPs are prohibited. Power stroke engines with a single turbo may utilize a second HPOP. Pumps from different years in the same engine model may be interchanged. P pumped 24 valves will be allowed. No Sigma or 12 cylinder pumps allowed. Must utilize a stock automotive governor. Harmonic Balancer: All engines turning more than 4500 RPM must be equipped with a harmonic balancer or dampener meeting SFI Spec 18.1. Hitch: The hitch must be a receiver style hitch, reinforcements are permitted. Reinforcements must not extend forward of the center line of the rear axle. Trick hitches are prohibited. Trick hitches will be determined by the Tech Official. The hooking point must be the rear most point on the vehicle and must be rearward of the stock location of the tailgate. The hitch must be horizontal to the ground and stationary in all directions. Bumper may be notched or removed. The hitch’s height from the ground may not exceed 26 inches. The hooking point must have a minimum of 3 inch by 3 ¾ inch inside opening for the sled hook. The hooking point must be a minimum of 44 inches from the center of the rear axle to the hooking point. The hooking point will be where the hook touches metal. That is the hooking point. Intercoolers: Only air to air intercoolers are allowed. Interior: A complete factory OEM interior, including dashboard, door panels, headliner, etc. is mandatory. Aftermarket seats a permitted, they must be fully upholstered. All factory controls, lights, windows, signals, wipers, etc, must be retained and in working order. The uses of hand throttles are prohibited. Rear End: Non OEM rear-end housings are prohibited. The rear end housings must have been for a one ton or smaller pickup pick up. Rear axle bolts must be covered by a cap or shield. Steering: The vehicle must retain the full, original OEM steering gear. The vehicle must retain the original OEM power assistance, if it was so equipped. Additional stabilizers are permitted. Non OEM power assist methods are prohibited. Street Equipment: Complete headlight and taillights assemblies (all) are mandatory and must be operative, and must be installed during competition. Complete OEM windshield and all other windows are mandatory. Windows must be able to operate per factory specifications; they must open and close by electric or mechanical means. Suspension - Front: The factory suspension configuration must be retained. The upper mounting point for strut assemblies must be in factory location. Adjustable caster/camber pillow ball mounts are permitted. The lower control arm may be strengthened provided factory mounting points are maintained. The lower mounting point for the strut assembly may be modified for improved caster and camber. Strut tower braces, lower tie bars, sway bars, and limit straps are permitted. Traction bars and devices are permitted. Final decisions rest with the Battle of the Bluegrass Tech Department. Suspension - Rear: An OEM style suspension is mandatory. Traction bars and devices are permitted, they must be bolted on only, welds are permitted for attachment to the frame or axle housing. Traction bars if installed must have a chain or cable or some type of safety device mounted one (1) foot from the front support to catch the bar in case of failure. All OEM suspension mounting points must be retained and used. Sway bars, limit straps, and camber kits are permitted. The rear suspension must maintain a minimum compression shock travel of one inch. Compression stops may be adjustable. All rear suspension must use at least one working shock absorber per wheel. Air bag spring assist is prohibited. Tires: The tires must be DOT street tires. 35 inch max. Cut tires are prohibited. No chains or studs. Transfer Case: Non - OEM transfer cases are prohibited. It must have been an option on a one ton or smaller pick up truck. 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 shifter must be equipped with a spring-loaded positive reverse lockout device to prevent the shifter from accidentally being put into reverse. A functional neutral safety switch is mandatory. Vehicle must not start in gear. 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 is permitted, It must be appropriately labeled as meeting SFI Spec 4.1 and it must extend from the rear of the engine block to the front of the tail housing with a minimum of six (6) inch overlap where it is fastened. All non-blanket shields must incorporate two,(or one per manufactures instruction) ¾ 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. Transmission - Manual: Non - OEM transmissions are prohibited. A clutch meeting minimum SFI Spec1.1 or 2.1 is mandatory on all engines running 4500 RPM or more. All manual transmissions must be clutch assisted. Sequential shifters are prohibited. All vehicles with engines running 4500 RPM or more and 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 blankets that completely cover the bell housing. It must be attached to the rear of the engine block and extend rearward to the transmission with a minimum of six (6) inch overlap where it is fastened. All transmissions or clutch pedals will have a safety interlock switch so that vehicle will not start in gear. Turbocharger: The vehicle is limited to a stock un-modified, OEM/ Factory charger with factory configuration only. Turbochargers from different years and different models may be interchanged. You are allowed to take a hx35 off a Cummins and put on your Duramax or vise versa, and you are allowed to put a Duramax turbo in your 82 Chevrolet with a 12 valve).Any vehicle may use up to the inlet size of a Duramax Turbocharger. The 6.4 power stroke engine may utilize the factory twin turbo configuration. The driver will be responsible for making turbo accessible for tech personnel to measure and inspect. If you have any questions regarding turbo rule contact Battle of the Bluegrass Technical Department. Water Injection: Water injection is prohibited. All system components must be removed from truck. Wheelbase: The vehicle must retain the original factory wheel base and track width. Cab and chassis trucks may not exceed 172 inches center to center of axles. Front dual-wheel spacers may be used only with accompanying positive-offset dually style wheels. [/QUOTE]