-

New Hampshire's Original Diesel Performance and Repair Specialists

(603)-654-3333 

3.0 Diesel Classes

General Rules for All Classes:

The Northeast Off-Road Jamborees main goal is a fun and safe time for all, so here are some general rules for all classes to secure that safety and fun for everyone competing and spectating alike:


1. All Competitors MUST have a valid State Drivers License and be 16 or older with Parent Signed Liability Waver if under 18 years of Age


2. All Competitors MUST have a DOT approved Helmet 


3. All Competitors MUST have eye protection if vehicle does not have a full windshield (example: ATVs, UTVs, Motorcycles, Tractors, Rock Crawlers)


4. All Competitors Must wear safety constraints such as a seatbelt or harness that may better be defined by class (exception being Motorcycles and ATVs)


5. All Vehicles Pulling MUST have a hook attachment point deemed safe by NORJ Track Officials

 

3.0 Diesel 8000LB Class

3.0 Diesel 8000LB Class Rules and Regulations:
8000 Lbs 3.0 Class weight is 8000 lbs with driver.

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. 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 is permitted, it must be securely mounted. All vehicles must have at least a 2 ½ LBs extinguisher with a working gauge mounted 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 after market 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.

22. Street Equipment: Complete headlight and tail light assemblies (all) are mandatory. Complete OEM windshield is mandatory. Driver’s window must be operative.

23. Suspension, Rear: Solid rear suspension permitted. Air bag spring assist permitted; Air bag compressors must be disconnected.

24. Tires: The tires must be D.O.T street tires, with a tire limit size of 35 inches. Cut tires are prohibited.

25. Transmission, Automatic: Non OEM transmissions are prohibited. Except with 3.0 smooth bore turbo ONLY . The transmission must have been an option for a one ton or smaller pickup 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 house. 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 extend from the rear of the engine block to the rear of the tail housing with a minimum of six inch overlap where it is fastened. All vehicles using an automatic transmission must be equipped with a flex plate meeting SFI Sec 29.1

26. Transmission, Manual: Non OEM transmissions are prohibited. Except with 3.0 smooth bore turbo ONLY. The transmission must have been an option on a one ton or smaller truck. Aftermarket internal components are permitted. A clutch meeting minimum SFI Sec 1.1 or 2.1 is mandatory on all engines. All manual transmissions must be clutch assisted. Sequential shifters are prohibited. All transmissions must have a fly wheel shield labeled as meeting minimum SFI Spec 6.3 or greater. Applications for which an SFI Spec fly wheel shields is not available may use properly attached SFI 4.1 or 4.2 blankets that completely covers the bell housing. It must be attached to the rear of the engine block and extend rearward to the transmissions with a minimum of six inch overlap where it is fastened. All transmissions or clutch pedals will have a safety interlock switch so that the vehicle will not start in gear.

27. Turbocharger; 3.0” Smooth Bore: The vehicle is limited to a single 3.0" inducer bore turbocharger. The compressor wheel must protrude into the 3.0" bore no less than 1/8". The inlet will be measured using a 3.005" plug, the plug must not be able to enter the inducer bore. MWE grooves are prohibited, the turbo inlet must be smooth bore. All exposed velocity stacks must incorporate a 1/16” or greater steel cable in a cross pattern. The vehicle’s driver will be responsible for making the compressor wheel/bore accessible for inspection by the Tech Officials.

28. Water Injection: Water injection is prohibited. All system components must be removed from truck.

29. 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. If wheel base is altered from factory specs, maximum wheelbase is 158”

Registration

3.0 Diesel 8500LB Class

3.0 Diesel 8500LB Class Rules and Regulations:
8500 Lbs 3.0 Class weight is 8500 lbs with driver.

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. 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 is permitted, it must be securely mounted. All vehicles must have at least a 2 ½ LBs extinguisher with a working gauge mounted 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 after market 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.

22. Street Equipment: Complete headlight and tail light assemblies (all) are mandatory. Complete OEM windshield is mandatory. Driver’s window must be operative.

23. Suspension, Rear: Solid rear suspension permitted. Air bag spring assist permitted; Air bag compressors must be disconnected.

24. Tires: The tires must be D.O.T street tires, with a tire limit size of 35 inches. Cut tires are prohibited.

25. Transmission, Automatic: Non OEM transmissions are prohibited. Except with 3.0 smooth bore turbo ONLY . The transmission must have been an option for a one ton or smaller pickup 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 house. 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 extend from the rear of the engine block to the rear of the tail housing with a minimum of six inch overlap where it is fastened. All vehicles using an automatic transmission must be equipped with a flex plate meeting SFI Sec 29.1

26. Transmission, Manual: Non OEM transmissions are prohibited. Except with 3.0 smooth bore turbo ONLY. The transmission must have been an option on a one ton or smaller truck. Aftermarket internal components are permitted. A clutch meeting minimum SFI Sec 1.1 or 2.1 is mandatory on all engines. All manual transmissions must be clutch assisted. Sequential shifters are prohibited. All transmissions must have a fly wheel shield labeled as meeting minimum SFI Spec 6.3 or greater. Applications for which an SFI Spec fly wheel shields is not available may use properly attached SFI 4.1 or 4.2 blankets that completely covers the bell housing. It must be attached to the rear of the engine block and extend rearward to the transmissions with a minimum of six inch overlap where it is fastened. All transmissions or clutch pedals will have a safety interlock switch so that the vehicle will not start in gear.

27. Turbocharger; 3.0” Smooth Bore: The vehicle is limited to a single 3.0" inducer bore turbocharger. The compressor wheel must protrude into the 3.0" bore no less than 1/8". The inlet will be measured using a 3.005" plug, the plug must not be able to enter the inducer bore. MWE grooves are prohibited, the turbo inlet must be smooth bore. All exposed velocity stacks must incorporate a 1/16” or greater steel cable in a cross pattern. The vehicle’s driver will be responsible for making the compressor wheel/bore accessible for inspection by the Tech Officials.

28. Water Injection: Water injection is prohibited. All system components must be removed from truck.

29. 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. If wheel base is altered from factory specs, maximum wheelbase is 158”

Registration