Tri State 3.0 Smooth Bore Diesel 8000 lbs
1. Ballast: Ballast is permitted. Front hanging weights may not extend more than 60 inches from the centerline of the front axle.
2. Batteries: The batteries must be securely mounted and concealed. They may not be located in the driver compartment.
3. Body: The body must be an OEM truck body. The body must retain full sheet metal. The hood must be closed and securely latched while the vehicle is hooked to the sled. The complete OEM firewall and complete OEM floor pan is mandatory. A factory install or commercial style aftermarket bed must be installed. No Flat beds. If no bed floor bed must be covered if no bed floor present.
4. Brakes: Front hydraulic brakes are mandatory.
5. 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.
6. Credentials: Drivers must have a valid state driver’s license.
7. Driver Restraint System: The OEM restraint system or SFI approved 5 point harness is mandatory and must be worn.
8. Drive Shaft Loops: All trucks must have a minimum of 6” wide U-joint shields around for rear U-Joint. Constructed of at least quarter inch steel or 3/8” aluminum that will safely contain the U-joint and the end of the rear shaft. Any U- joint on the front axle that can be seen from the front or the side of the truck must be shielded the same as all other u-joints. All shielding must be securely mounted to the vehicle.
9. Engine: The engine block must have been available as a factory option on a one ton or smaller pickup truck. Cubic inch limit of 460CI. Water pumps may be factory or electric powered. Electric cooling fans are permitted. 17 2/13/2019 No billet aluminum or billet steel heads. Engine must have a 3/8 diameter cable surrounding block and head located between cylinders #1 and #2, cable must pass through manifolds. Cable will have 4-6 inches of slack with a minimum of 4 cable clamps at splice.
10. Exhaust: All vehicles must be equipped to direct exhaust upward including stock exhaust systems. Hood 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.
11. Fire Extinguisher System: A fire extinguisher (2.5lb minimum) is required. It must be securely mounted, contain a working gauge, and within driver’s reach.
12. Fuel: The fuel must be pump #1/#2 diesel only. Soy/Bio diesel fuel is permitted. A fuel cell may be used in place of the factory fuel tank; fuel is not permitted in driver’s compartment.
13. Fuel Injection Pump: A fuel injection pump is limited numbers specific (i.e. 6 cylinders pump on a 6 cylinder motor). Dual high pressure common rail fuel pumps or HPOPs are permitted. AG governors are permitted. No Sigma or 12 cylinder pumps allowed. A 3 way dump valve mounted before the injection pump is mandatory which can be operated by the driver while strapped in the seat (must be demonstrated during tech.
14. Harmonic Balancer: All engines turning 4500 RPM or higher must be equipped with a harmonic balancer or damper meeting SFI Spec 18.1.
15. Hitch: Hook point must be no closer than 44 inches of centerline of rear axle (will be measured where sled hook rests). Hitch height maximum of 26 inches for 4 wheel drive pickups and maximum 30” for 2 wheel drive with a minimum of a 3.0”x3.75” opening. Hitch point must be easily accessed. No “trick” type hitches permitted. Hitch must be stationary in all directions. Reinforcements must not extend forward of the centerline of the rear axle and must remain inside of the frame rails. Hitch must not exceed a maximum of 25 degree angle from pivot point to hook point.
16. Intercoolers: Factory style or aftermarket intercoolers are allowed. Water to air intercoolers allowed. Ice and water must be weighed at time of crossing the scales.
17. Interior: The vehicle must be equipped with at least one seat for the driver; it must be properly installed. Either the normal foot throttle or an approved spring-loaded hand throttle will be permitted in this class.
18. Kill switches: All trucks are required to have a kill switch located on the back of the truck, located near the hooking point. They must have an air guillotine of the spring-loaded type. If during competition the kill switch slides loose or falls out distance will be measured. Securing the kill switch is the driver’s responsibility.
19. Nitrous Oxide: Nitrous oxide is prohibited. No other oxygen extenders are allowed. Propane is prohibited. All system components must be removed from the truck.
20. Safety Equipment: All drivers must wear a helmet, complete fire suits, leather shoes.
21. Steering: The vehicle may retain the original OEM steering gear or use of hydraulic steering. Additional stabilizers are permitted.