USA-EAST SLED PULLING, INC.
OPEN 3.0 SMOOTH BORE DIESEL 4X4 TRUCKS
(3.0sb Diesel Trucks)
SUPER STREET DIESEL SSD (3.0sb) 4X4 TRUCKS
Adopted 10.29.2018
The rules promulgated in these rules are intended as guidelines for the sport of Diesel 4×4 truck pulling. These rules have been adopted by Full Pull Productions, Inc. for the 2019 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.
Pulling vehicles may be held for post competition tech inspection. Failure to abide may result in a DQ. Top five trucks may be held at the end of track in a holding area for post pull inspections. It is the driver’s responsibility to be aware of their placing and be in present with the truck post inspecting area.
Weight: 8000 lbs. Maximum, with driver.
REGULATIONS:
Ballast: Ballast is permitted. Hanging weights may not extend more than 60 inches from the centerline of the front axle.
Batteries: The batteries must be securely mounted. They may not be located in the driver compartment or forward of weight bar. If not in stock OEM location must be in an approved battery box and have a master disconnect switch that is easily accessible and marked clearly.
Body: The body must be an OEM truck body. The body and truck bed must retain full factory sheet metal. A truck with no bed floor will be allowed; must have a tonneau cover or like if this is used. Metal aftermarket hoods are permitted. Fiberglass is prohibited unless OEM. The hood must be closed and securely latched while the vehicle is hooked to the sled. A complete firewall and floor pan is mandatory; may have access panels. No Flat Beds. A truck that has “Modified” their OEM Frame/Body is limited to 158” wheelbase. The modifications must use all OEM parts for modification. Any designs that the USA-East Tech Committee deems that are a weight saving ploy maybe subject to a handicap.
Brakes: Front 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 full OEM chassis. Wheel tubs, back-half conversions, tube chassis, etc., are prohibited.
Cooling System: Optional
Credentials: All drivers must have a valid state driver’s license.
Driveline: After market transmissions and transfer cases are permitted. Axle shields are required and will be .060” thickness in steel or aluminum. Shield shall not be mounted to axle ends or hub bolts. An access hole may be left open to allow locking in the hubs. The vehicle may be two or four-wheel drive.
Driver Restraint System: The OEM restraint system is mandatory and must be worn.
Driveshaft Loops: All trucks must have a minimum of six-inch wide u-joint shields around the rear u-joint constructed of at least 1/4 inch steel or 3/8 inch aluminum that will safely contain the u-joint and the end of the rear shaft. All trucks must have a minimum 3 loops per shaft, evenly spaced on driveline, 3/8” aluminum or 5/16” steel thickness, 2” maximum away from driveline.
Engine: The engine block must have been available as a factory option on a one-ton or smaller pickup truck. Filled block allowed. No billet aluminum or billet steel blocks/heads. Aftermarket radiator assemblies are permitted and must be securely mounted in the factory OEM location.
NITROUS OXIDE is prohibited along with other oxygen extenders and the use of PROPANE is also prohibited. All system components MUST be removed.
Exhaust: Hood stacks/Bed Stacks are permitted. Two 3/8 inch diameter bolts must be installed through the exhaust pipe in a cross pattern within one inch of each other as close to the turbo as is practical if competing at more than 2 events per year. Hood stack exhaust must be at least 6” above closed position of the hood.
Fire Extinguisher System: A fire extinguisher system is permitted. It must be securely mounted.
Fire Suit: SFI approved Fire jacket, long pants and leather shoes are required for all drivers of trucks that are not currently licensed, insured and inspected for street use
Fuel: The fuel must be pump #1/#2 diesel; Soy/Bio-diesel fuel is permitted. All fuel must be commercially available. The fuel tank must be in the O.E.M location /or/ in an approved racing type fuel cell mounted and properly secured. If the fuel cell is installed in another location, a ball valve that is clearly marked and easily accessible is required. The fuel cell may not be in front of the weight bar or anywhere in the driver’s compartment.
Fuel Injection Pump: The fuel injection pump is limited to a stock-appearing, OEM engine make-specific pump only. Dual high-pressure common-rail fuel pumps or HPOPs are permitted. Maximum size of a P7100 of pump. Only plunger per cylinder, no Sigma, Billet or re-cast pumps. A 3-way dump valve mounted before the injection pump is mandatory which can be operated by the driver while strapped in the seat.
Harmonic Balancer: All engines turning 4500 RPM and higher must be equipped with a harmonic balancer or damper meeting SFI Spec 18.1.
Helmet: A motor sport type Helmet is required for all drivers of trucks that are not currently licensed, insured and inspected for street use
Hitch: Reinforcements are permitted. Any hitch attachments/bracing must be from frame down not from axle up. Hitch adjustments are permitted from the rear axle to the hitch. Reinforcements must not extend forward of the centerline of the rear axle. Hook point may be no closer than 44” inches of centerline of rear axle. Trick hitches are prohibited. The hitch must stationary in all directions. Bumpers may be notched or removed. The hitch’s height from the ground may not exceed 26 inches and be adjustable to 24” on 4wd units and on 2wd units hitch is set at 30” and be adjustable to 28” inches The hooking point must have a minimum 3.750-inch inside diameter opening for the sled hook. The hooking point will be measured to the rear of the opening in the clevis/hook loop. Hooking point (i.e. where the hook drops) must be parallel to the ground. Final decision of legality of all hitches resides with the head tech official.
Ice Water Intercoolers: Ice water intercoolers are permitted.
Interior. A single aftermarket seat is permitted but must be equipped with a safety restraint system.
Steering: May use hydraulic steering.
Street Equipment: Windshield is mandatory; Lexan, etc. permitted.
Suspension, Front: Modifications to the front suspension that would alter its original location ( i.e. moving it forward or rearward) is not permitted. Strut tower braces, lower tie bars, sway bars, and limit straps are permitted. Traction bars and devices are permitted. Air bags/shocks are permitted but must have all lines/ compressor disconnected.
Suspension, Rear: Rear end must be in OEM factory location. Modifications to the rear suspension that would alter its original location such as moving it forward or rearward is not permitted. Traction bars and devices are permitted. Control arms may be strengthened or replaced.. Strut tower braces, lower tie bars, sway bars, limit straps, and camber kits are permitted. The rear suspension may be bolted/welded solid to eliminate travel. Air bags/shocks are permitted but must have all lines/ compressor disconnected.
Tires: The tires must be DOT street tires. Cut tires are prohibited. Dual rear wheels may be used in competition. Use of dirt deflectors is prohibited.
Throttle: The use of a hand throttle is allowed. All throttles will have a dead man throttle that will automatically return to a closed position. Throttles will work in a forward to reverse motion, forward being open. Two springs will be required on the hand throttle and one spring on the fuel injection pump.
Transmission, Automatic: Aftermarket transmissions are permitted. 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.
Transmission, Manual: Aftermarket transmissions and transfer cases are permitted. A clutch meeting minimum SFI Spec 1.1 or 1.2 is mandatory on all vehicles with 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 blanket that completely covers the bell housing; it must be attached to the block and extend rearward to the transmission with a minimum six inch overlap where it is fastened.
Turbocharger: The vehicle is limited to a single turbocharger; the inducer bore on the compressor housing is limited to a maximum of a 3.0”, turbo charger must be smooth faced intake housing, limited to a 3.0” inlet, (no map ring) with all air entering through the 3.0” intake opening. Intake wheel must protrude 1/8th inch inside of opening. The inlet will be measured using a 3.05”-inch plug or internal calipers. Measurement point will be at the actual turbo housing inlet. 6.4 liter PowerStroke engines may utilize the 100% factory twin-turbo configuration. A FPP Legal 2.5 Turbo charger is permitted in the class. Any other legal smooth bore turbo will be allowed up to the 3.0 Smooth Bore size. The vehicle driver will be responsible for making compressor wheel accessible for tech personnel to measure bore, and inspect compressor wheel. No removable plugs or reducers allowed reducing to legal spec. The old FPP/USA-East 2.6 Turbos Are Not Permitted in this class.
**Any single turbo (3.0” and larger in diameter) must have a minimum of 1/8” cable wrapped around turbo. Cable must wrap two revolutions around tur
bo, clamped by a minimum of two clamps at splice, or Kevlar lined turbo blanket covering the intake housing.
Water Injection: Water injection is prohibited. All system components must be removed from the truck.
Wheelbase: The vehicle must retain the original factory wheelbase (158″ Max.) and track width. Front dual-wheel spacers may be used only with accompanying positive-offset dually style wheels. A truck that has “Modified” their OEM Frame/Body is limited to 158” wheelbase. The modifications must use all OEM parts for modification. Any designs that the USA-East Tech Committee deems that are a weight saving ploy maybe subject to a handicap.