Street Diesel class is designed for street driveable trucks
for with a wide variety of performance upgrades. Valid DOT
registration and drivers license and plates are mandatory.
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.
All drivers must have a valid state driver’s
license. And a proof of valid insurance
may be required.
The engine is limited to a stock-appearing, OEM
compression ignition engine, available from the factory
in a one ton or smaller truck.
An OEM transmission and transfer case are mandatory. They
must have been an option on a one-ton or smaller pickup.
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 permitted.
Dual HPOP pumps are permitted. Pumps from different years
in the same engine model may be interchanged. P-pumped 24
valves will be allowed, automotive governor only, No
AG Governors. No Sigma or Multi Plunger per cylinder pumps.
Meth, Propane, and Nitrous are PROHIBITED.
The turbocharger is limited to a single turbo,
inducer bore no larger than 2.6 inches, measured at the
smallest diameter of the compressor wheel. Will be measured
with a 2.65 plug or calipers. Removable bushings are prohibited.
Register for our Dyno Event (only
35 stock, 25 2.6 class and 15 unlimited class trucks will
be on the dyno, pre-register to ensure your spot today)