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Message: [QUOTE="BDP Sales, post: 441309, member: 1096"] 2.6 rules: 2012 BDP 2.6 Diesel Truck Rules This Diesel class is designed for pickup trucks with a wide variety of performance upgrades. A valid DOT registration and license plates are mandatory. The truck must be 4 wheel drive. Weight: 8000 lb Maximum, with driver Regulations: Ballast: Ballast is permitted. Front hanging weights are permitted. Front ballast and ballast mounting point must be easily removable, but securely mounted. May not extend more than 60 inches from the centerline of the front axle, and be high enough to clear scale and other pit obstacles. If it hit’s the scale it must be removed to compete. Ballast may be added to the bed of truck. If used it must be securely fastened to the bed. Final decisions rest with the technical department. Batteries: The Batteries must be securely mounted,. They may not be located in the driver compartment or forward of the radiator core support. 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. Fiberglass hoods and roll pans only are permitted. All Fiberglass hoods must be shielded on the underneath side with sheet metal or aluminum skin a minimum of .060 thick. The hood must 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 style aftermarket bed must be installed. Brakes: Four wheel hydraulic functional brakes are mandatory. Chassis: The OEM chassis is mandatory. The engine must be in the OEM location for the body used. The vehicle must retain the 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 Credentials: All drivers must have a valid state driver’s license. Driveline: An OEM transmission and transfer case are mandatory. They must have been an option on a one ton or smaller pickup. Driver Restraint System: The OEM restraint system is mandatory and must be worn. Driveshaft Loops: All trucks must have at least six (6) inch wide u-joint shields around all u-joints on rear drive shaft constructed of at least ¼ steel or 3/8 aluminum that will safely contain the ujoints and the ends of drive shafts. Any u-joint on the front axle that can be seen from front or side of truck must be shielded the same as all other u-joints. All shields must be securely mounted to the vehicle. A new puller may be granted a one time wavier. Engine: The engine block must have been available as a factory option on a one ton or smaller pickup truck. Cubic Inch limit of 444 CI. Blocks must circulate coolant freely. No hard filled blocks. Water pumps may be factory or electric powered. All factory belt driven accessories are optional, The serpentine or v belts are optional. Electric cooling fans are permitted. No deck plates between block and head. Exhaust: All vehicles must be equipped to direct exhaust upward. The exhaust must exit rearward of the driver’s compartment or through the hood. Stacks’ exiting through the fender well is prohibited. 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 possible. This will be teched. 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 must have at least a 2 ½ lb extinguisher with working gauge mounted within drivers reach. Fuel: The diesel fuel must be able to pass any and all test administered by B.O.B. techs. A fuel cell may be used in place of the factory fuel tank. It must be mounted securely in the bed of truck. A fuel test valve must be installed in the fuel line for fuel samples to be taken. Fuel Injection Pump: The fuel injection pump is limited to cylinder number specific (I.e. 6 cylinder pump on a 6 cylinder motor). Dual high pressure common rail fuel pumps or HPOPs are permitted. Ag governors are allowed. No Sigma or 12 cylinder pumps allowed. A 3 way dump valve must be installed close to pump on all manual pumps and operated from the drivers compartment. 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 and must remain inside the frame rails. 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 end of the hole where the hook touches metal to be pulled from, this is the hooking point. Intercoolers: Factory style or aftermarket intercoolers are allowed. Water to air intercoolers allowed. Ice and water must be weighed at the time of crossing the scales. Kill Switches: All trucks are required to have kill switch located on the back of the truck, located near the hooking point. On trucks with an electric injection fuel pumps it must have an electric shut off or disconnect for the injection pump on the back of the truck for trucks with manual injection pumps they must have an air guillotine of the spring loaded type, no butterfly type to kill the air intake to the engine. It is recommended to have an air shut off on all trucks. Kill switch failure will result in disqualification. If during competition the kill switch slides loose, falls out etc. distance will be measured. Securing the kill switch is the pullers responsibility. Nitrous Oxide: Nitrous Oxide is prohibited. No other oxygen extenders are allowed. All system components must be removed from the truck. Propane: Propane is prohibited. All system components must be removed from the truck. 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 with a cap or shield. Safety Equipment: All drivers must wear a helmet, and a SFI 3.2a approved fire jacket and fire pants, and leather shoes. 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 are mandatory and must be operative, except the right front headlight may be removed for air inlet to engine. Complete OEM windshield and all other windows are mandatory. Windows must be able to operate per factory specifications; they must open and close via electrical or mechanical means. Suspension - Front: The factory suspension configuration must be retained. Modifications to the front suspension that would alter the original location (I.e. moving it forward or backward) is not permitted. Strut tower braces, lower tie bars, sway bars, and limit straps are permitted. Traction bars and devices are permitted. Air shocks are prohibited. Suspension - Rear: An OEM style suspension is mandatory. Traction bars and devices are permitted, they must be bolt 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. Control arms may be strengthened or replaced, providing all original mounting points are retained and used. Sway bars, lower tie bars, limit straps, and camber kits are permitted. The rear suspension may be solid with a removable block. Air bag spring assist and air shocks are prohibited. Tires: The tires must be DOT street tires, with a tire limit size of 35 inches. Cut tires are prohibited. 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. The transmission must have been an option for a one ton or smaller truck. 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 automatic transmissions must be equipped with a transmission shield meeting SFI Spec 4.1 and must be labeled accordingly. A blanket type shield must be used and appropriately labeled as meeting SFI Spec 4.1 and it must be from the rear of the engine block and extend rearward onto the transmission, with a minimum of six (6) inch overlap where it is fastened. All vehicles using an automatic transmission must be equipped with a flex plate meeting SFI Spec 29.1. Transmission - Manual: Non - OEM transmissions are prohibited. The transmission must have been an option on a one ton or smaller truck. Aftermarket internal components are permitted. A clutch meeting minimum SFI Spec1.1 or 2.1 is mandatory on all engines. All manual transmissions must be clutch assisted. Sequential shifters are prohibited. All transmissions 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. It must be attached to the rear of the engine block and extend rearward onto 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 single 2.6 inlet turbocharger. The compressor wheel must protrude into the compressor inlet bore 1/8 inch. The 1/8 inch wheel protrusion must be cut flat and square on bore and wheel. NO TAPERED CUTS. The inducer bore on the compressor housing is limited to 2.6 inches and the bore must be uniform in size throughout the diameter. No oval or egg shaped bores will be allowed. The inducer bore is non removable and must be maintained for ¾ of an inch from the front face of the compressor wheel. The inlet will be measured with a 2.65 plug, or internal calipers. The plug must not be able to enter the inducer bore. A map width enhancement (MWE) groove is allowed. No MWE groove width greater than (.200) of an inch will be allowed. The entire MWE groove must be placed behind the cut or step on the wheel for the protrusion into the inducer bore. Turbo with non stepped wheels, true 2.6 or smaller must still have the 1/8 protrusion into the inducer bore, and the 2.6 bore must be maintained for ¾ inch in front of wheel and may have a MWE groove no larger than (.200) of an inch wide behind the face of the wheel. All provision allowing air to the wheel other than via the bore inlet and the MWE groove are prohibited. The 6.4 power stroke engine may utilize the factory twin turbo configuration. The driver will be responsible for making compressor wheel and bore accessible for tech personnel to measure bore and inspect compressor wheel. 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 inch center to center of axles. Front dual-wheel spacers may be used only with accompanying positive-offset dually style wheels. All vehicles must cross scales and enter the track under there own power! [/QUOTE]