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2008 (proposed) Rulebook Changes
Version 3.0.1
Date Changed: 10/19/2007
SLED PULLING
WORK STOCK:
Work Stock will be a trophy only class.
Medium Duty Hauler –Removed entirely from rulebook.
Engine- The engine is limited to an OEM make specific compression ignition engine.
Turbocharger- The turbocharger is limited to an OEM make-specific charger only. Turbochargers from different years in the same make may be interchanged.
STREET DIESEL:
Credentials- All drivers must have a valid state driver’s license and DHRA membership.
Engine- The engine block must have been available as a factory option on a one-ton or smaller pickup truck. The use of concrete or other block fillers is prohibited. Electric fans are permitted.
Turbocharger- The vehicle is limited to a single turbocharger; the inducer bore on the compressor housing may be no larger than 2.5 inches measured at the smallest diameter area of the compressor wheel. Bushings and plugs are prohibited.
SUPER STREET: (Former Street Diesel)
Credentials- All drivers must have a valid state driver’s license and DHRA membership.
Engine- The engine block must have been available as a factory option on a one-ton or smaller pickup truck. Blocks must circulate coolant freely. The use of concrete or other block fillers is prohibited. Electric fans are permitted.
Turbocharger- Vehicles are limited to a single turbocharger only; the inducer bore on the compressor housing may be no larger than 2.8 inches measured at the smallest diameter area of the compressor wheel. Bushings and plugs are prohibited.
PRO STREET: (Former Super Street)
Credentials- All drivers must have a valid state driver’s license and DHRA membership.
Fuel Injection Pump- Sigma or 12-cylinder inline injection pumps are prohibited.
Turbocharger- Vehicles are limited to a single turbocharger only; the inducer bore on the compressor housing may be no larger than 3.0 inches measured at the smallest diameter area of the compressor wheel. Bushings and plugs are prohibited.
MODIFIED DIESEL:
Outlaw Diesel Exhibition- Removed entirely from rulebook.
Credentials- All drivers must have a valid state driver’s license and DHRA membership.
Weight Breaks- 7500 lbs. Weight is with driver.