Attention: TDR Forum Junkies 
here are our 2007 rules
MFSTPA STREET DIESEL TRUCK RULES
All decisions made by a MFSTPA official are final.
STREET DIESEL
The Street Diesel (SD) class is designed for full -bodied pulling trucks . With a maximum weight of 8000lbs. the truck also needs to be licensed and insured.
RULES & REGULATIONS
DRIVERS :
Must be 16 years of age. All drivers must have a valid driver’s license. Drivers shall not be under the influence of drugs or alcohol, and must drive their trucks in a safe manner at all times when at the pull.
BALLAST:
Ballast is permitted. Hanging weights are prohibited. Ballast my be added in the bed of the truck.
DRIVELINE:
An OEM transmission and transfer case is mandatory. It must have been optioned in a one-ton or smaller pickup.
DRIVER RESTRAINT SYSTEM:
The OEM restraint system is mandatory and must be worn.
ENGINE:
The engine is limited to a stock appearing, OEM make-specific compression ignition engine.
EXHAUST:
All vehicles must be equipped to direct exhaust upward or downward.
FUEL INJECTION PUMP:
The fuel injection pump is limited to a stock appearing, OEM engine model-specific pump only. Twin CP3’s and Hpop’s are prohibited.
HITCH:
The hitch must be a “REESE” style hitch. reinforcements are permitted. Trick hitches are prohibited . the hitches height from the ground may not exceed 26 inches. And must have a hook point at least 44 inches from the center of the rear axle. The hooking point must have a minimum 3. 00 inch by 3. 5 inch inside diameter opening for the sled hook.
NITROUS OXIDE:
Nitrous oxide is prohibited. No other oxygen extenders are allowed.
PROPANE:
Propane is prohibited.
REAR SUSPENSION:
Traction bars and devices are permitted. Suspension must maintain a minimum shock
travel of 1 inch.
TIRES:
Tires must be DOT street tires. Cut tires are prohibited. A maximum tire diameter of 35 inch.
TRANSMISSIONS:
Transmissions ( manual and automatics ) must have a transmission blanket meeting SFI 4. 1 if running more than 4500 rpm.
TURBOCHARGER:
The turbocharger is limited to a stock appearing, OEM make-specific charger only. Turbochargers from different years in the same make may be interchanged.
WATER INJECTION:
Water injection is prohibited.
******************************************************
MFSTPA HOT DIESEL TRUCK RULES
All decisions made by a MFSTPA official are final.
HOT DIESEL
The Hot Diesel (HD) class is designed for full -bodied 1 ton or less pulling trucks . With a maximum weight of 8000lbs. the truck also needs to be licensed and insured.
RULES & REGULATIONS
DRIVERS :
Must be 16 years of age. All drivers must have a valid driver’s license. Drivers shall not be under the influence of drugs or alcohol, and must drive their trucks in a safe manner at all times when at the pull.
BATTERIES:
Batteries must be securely mounted. They may not be located in the drivers compartment.
BODY:
Fiberglass hoods are prohibited .
CHASSIS:
Wheel tubes, back-half conversions, tube chassis, etc. , are all prohibited.
BALLAST:
Ballast is permitted. Hanging weights are permitted but must be securely mounted and may not extend more than 60 inches from the center line of the front axle.
DRIVELINE:
An OEM transmission, transfer case, and axles is mandatory. It must have been optioned in a one-ton or smaller pickup.
DRIVER RESTRAINT SYSTEM:
The OEM restraint system is mandatory and must be worn. Or a three inch wide driver restraint system labeled as meeting SFI Spec 16. 1.
DRIVESHAFT LOOPS:
All trucks must have at least six inch wide u-joint shields around all drive shafts u-joints, u-joint shields must be constructed out of at least ¼ inch steel or 3/8 inch aluminum with the u-joint centered in it. In addition there must be at least one drive shaft loop in the middle of each drive shaft .
ENGINE:
The engine block must have been available in a one ton or smaller pick-up truck.
EXHAUST:
All vehicles must be equipped to direct exhaust upward or downward. Two 3/8 inch diameter bolts must be placed in the exhaust pipe in a cross pattern within one inch of each other as close to the turbo as practical.
FIRE EXTINGUISHER:
A fire extinguisher is mandatory . It must be easily accessible and visible.
AIR SHUTOFF:
The vehicle must be equipped with a air shutoff . A master control for your air shutoff must be located at the back of the vehicle next to the hitch point , it must have a two inch diameter steel ring and be clearly visible to the hook man. A fuel shutoff is also very highly recommended.
FUEL INJECTION PUMP:
The fuel injection pump is limited to a stock appearing, OEM engine model-specific pump only. Twin CP3’s and Hpop’s are permitted.
HITCH:
The hitch must be a “REESE” style hitch. reinforcements are permitted. Trick hitches are prohibited . the hitches height from the ground may not exceed 26 inches. And must have a hook point at least 44 inches from the center of the rear axle. The hooking point must have a minimum 3. 00 inch by 3. 5 inch inside diameter opening for the sled hook.
NITROUS OXIDE:
Nitrous oxide is prohibited. No other oxygen extenders are allowed.
PROPANE:
Propane is prohibited.
REAR SUSPENSION:
Traction bars and devices are permitted. Suspension must maintain a minimum shock travel of 1 inch.
TIRES:
Tires must be DOT street tires. Cut tires are prohibited. A maximum tire diameter of 35 inch.
TRANSMISSIONS:
Transmissions ( manual and automatics ) must have a transmission / bell housing blanket meeting SFI 4. 1.
TURBOCHARGER:
The vehicle is limited to a single turbocharger. the inducers bore on the compressor housing may be no larger than 2. 8 inches measure at the smallest diameter area of the compressor wheel. A bushing may be used to down size the compressor housing ahead of the wheel. If a bushing is used , it must be round, at least ¾ of an inch long , mounted within 0. 050 inch of the compressor wheel , and the inside of the bushing may not exceed a diameter of the 2. 8 inch limit. The inlet will be measured using a 2. 85 inch slug.
WATER INJECTION:
Water injection is permitted .
MFSTPA STREET DIESEL TRUCK RULES
All decisions made by a MFSTPA official are final.
STREET DIESEL
The Street Diesel (SD) class is designed for full -bodied pulling trucks . With a maximum weight of 8000lbs. the truck also needs to be licensed and insured.
RULES & REGULATIONS
DRIVERS :
Must be 16 years of age. All drivers must have a valid driver’s license. Drivers shall not be under the influence of drugs or alcohol, and must drive their trucks in a safe manner at all times when at the pull.
BALLAST:
Ballast is permitted. Hanging weights are prohibited. Ballast my be added in the bed of the truck.
DRIVELINE:
An OEM transmission and transfer case is mandatory. It must have been optioned in a one-ton or smaller pickup.
DRIVER RESTRAINT SYSTEM:
The OEM restraint system is mandatory and must be worn.
ENGINE:
The engine is limited to a stock appearing, OEM make-specific compression ignition engine.
EXHAUST:
All vehicles must be equipped to direct exhaust upward or downward.
FUEL INJECTION PUMP:
The fuel injection pump is limited to a stock appearing, OEM engine model-specific pump only. Twin CP3’s and Hpop’s are prohibited.
HITCH:
The hitch must be a “REESE” style hitch. reinforcements are permitted. Trick hitches are prohibited . the hitches height from the ground may not exceed 26 inches. And must have a hook point at least 44 inches from the center of the rear axle. The hooking point must have a minimum 3. 00 inch by 3. 5 inch inside diameter opening for the sled hook.
NITROUS OXIDE:
Nitrous oxide is prohibited. No other oxygen extenders are allowed.
PROPANE:
Propane is prohibited.
REAR SUSPENSION:
Traction bars and devices are permitted. Suspension must maintain a minimum shock
travel of 1 inch.
TIRES:
Tires must be DOT street tires. Cut tires are prohibited. A maximum tire diameter of 35 inch.
TRANSMISSIONS:
Transmissions ( manual and automatics ) must have a transmission blanket meeting SFI 4. 1 if running more than 4500 rpm.
TURBOCHARGER:
The turbocharger is limited to a stock appearing, OEM make-specific charger only. Turbochargers from different years in the same make may be interchanged.
WATER INJECTION:
Water injection is prohibited.
******************************************************
MFSTPA HOT DIESEL TRUCK RULES
All decisions made by a MFSTPA official are final.
HOT DIESEL
The Hot Diesel (HD) class is designed for full -bodied 1 ton or less pulling trucks . With a maximum weight of 8000lbs. the truck also needs to be licensed and insured.
RULES & REGULATIONS
DRIVERS :
Must be 16 years of age. All drivers must have a valid driver’s license. Drivers shall not be under the influence of drugs or alcohol, and must drive their trucks in a safe manner at all times when at the pull.
BATTERIES:
Batteries must be securely mounted. They may not be located in the drivers compartment.
BODY:
Fiberglass hoods are prohibited .
CHASSIS:
Wheel tubes, back-half conversions, tube chassis, etc. , are all prohibited.
BALLAST:
Ballast is permitted. Hanging weights are permitted but must be securely mounted and may not extend more than 60 inches from the center line of the front axle.
DRIVELINE:
An OEM transmission, transfer case, and axles is mandatory. It must have been optioned in a one-ton or smaller pickup.
DRIVER RESTRAINT SYSTEM:
The OEM restraint system is mandatory and must be worn. Or a three inch wide driver restraint system labeled as meeting SFI Spec 16. 1.
DRIVESHAFT LOOPS:
All trucks must have at least six inch wide u-joint shields around all drive shafts u-joints, u-joint shields must be constructed out of at least ¼ inch steel or 3/8 inch aluminum with the u-joint centered in it. In addition there must be at least one drive shaft loop in the middle of each drive shaft .
ENGINE:
The engine block must have been available in a one ton or smaller pick-up truck.
EXHAUST:
All vehicles must be equipped to direct exhaust upward or downward. Two 3/8 inch diameter bolts must be placed in the exhaust pipe in a cross pattern within one inch of each other as close to the turbo as practical.
FIRE EXTINGUISHER:
A fire extinguisher is mandatory . It must be easily accessible and visible.
AIR SHUTOFF:
The vehicle must be equipped with a air shutoff . A master control for your air shutoff must be located at the back of the vehicle next to the hitch point , it must have a two inch diameter steel ring and be clearly visible to the hook man. A fuel shutoff is also very highly recommended.
FUEL INJECTION PUMP:
The fuel injection pump is limited to a stock appearing, OEM engine model-specific pump only. Twin CP3’s and Hpop’s are permitted.
HITCH:
The hitch must be a “REESE” style hitch. reinforcements are permitted. Trick hitches are prohibited . the hitches height from the ground may not exceed 26 inches. And must have a hook point at least 44 inches from the center of the rear axle. The hooking point must have a minimum 3. 00 inch by 3. 5 inch inside diameter opening for the sled hook.
NITROUS OXIDE:
Nitrous oxide is prohibited. No other oxygen extenders are allowed.
PROPANE:
Propane is prohibited.
REAR SUSPENSION:
Traction bars and devices are permitted. Suspension must maintain a minimum shock travel of 1 inch.
TIRES:
Tires must be DOT street tires. Cut tires are prohibited. A maximum tire diameter of 35 inch.
TRANSMISSIONS:
Transmissions ( manual and automatics ) must have a transmission / bell housing blanket meeting SFI 4. 1.
TURBOCHARGER:
The vehicle is limited to a single turbocharger. the inducers bore on the compressor housing may be no larger than 2. 8 inches measure at the smallest diameter area of the compressor wheel. A bushing may be used to down size the compressor housing ahead of the wheel. If a bushing is used , it must be round, at least ¾ of an inch long , mounted within 0. 050 inch of the compressor wheel , and the inside of the bushing may not exceed a diameter of the 2. 8 inch limit. The inlet will be measured using a 2. 85 inch slug.
WATER INJECTION:
Water injection is permitted .
