Work Stock Diesel
The Work Stock Class is designed for daily-driven, on the road pickup trucks (full-bodied diesel pickup trucks) Valid DOT registration and license plates are mandatory. The vehicle may be two or four wheel drive.
Weight Breaks: 8500 lbs. Weight is with driver.
Engine: The engine is limited to a stock-appearing, compression ignition engine. Engines of different makes may be interchanged as long as they were an option on a one-ton or less truck. The injection pump and turbo must remain engine make specific as described in the rules.
Fuel Injection Pump: The fuel injection pump is limited to a stock-appearing, OEM engine model-specific pump only. The use of multiple high-pressure common-rail fuel pumps is prohibited. Powerstroke engines with a single factory turbo may utilize a second HPOP. Pumps from different years in the same engine model may be interchanged.
Turbocharger: The turbocharger is limited to a single stock, OEM/Factory make-specific charger only. Turbochargers from different years in the same engine make may be interchanged, no adapters to accept other model turbo. 6.4 liter Powerstroke engines may utilize the factory twin turbo configuration. Modifications to the stock compressor housing, compressor wheel, exhaust housing, or exhaust wheel are prohibited. Any cutting, notching or etc. of the turbo wheels/blades will result in a disqualification. Turbo housing must be unaltered OEM/Factory with no provision made for extra air flow and/or machining to allow larger turbo wheel in the housing. No bushing of the inducer is permitted.