“Select races only, Call event host for more information.”
Tires
Any cut tire acceptable, Tractor tires up to 46”. No Paddles.
Engines
Any automotive engine allowed.
Aluminum heads and blocks allowed.
Any internal engine modifications allowed.
No blowers, No turbochargers.
Single stage nitrous systems allowed.
Gasoline or Diesel fuel only. No Alcohol,
Turbo diesel OK.
Any carburetion system allowed.
Any fuel injection allowed.
Minimum of 2 throttle return springs required.
Engine swaps allowed.
Front of Harmonic Balancer may not be further back
Than front of axle tube. This is maximum setback!
Transmissions
Trans brakes allowed, must have trans shield or blanket.
U-joint shields required if using trans brake.
Must have 1 driveshaft loop per shaft.
OEM transfer cases only, no chain drives.
Frame
OEM frames only, No tube or box frames.
Frame must pass safety inspection.
Frame may be lengthened or shortened to fit body.
Frame and body must maintain original wheel well locations
Engine must remain forward of original firewall.
Suspension.
Any suspension system allowed.
Tires must remain in the OEM wheel well locations.
Body.
Any OEM automotive body permitted .
Body may be lightened, must retain all exterior side panels.
Doors not required, Must have 5 point harness and race seat.
Fiberglass front end parts and doors permitted.
Replacement panels must be original dimensions as stock.
Extending or shortening of original body not allowed.
Gutted bodies must have minimum 4 point roll cage.
Open top must have minimum 6 point roll cage.
Must have some type of metal roof panel.
Cab or tub must be original sheet metal.
Firewall must be in stock location and made of metal .080 min.
!!Safety!!
Seatbelts required, 5 point mandatory except on full body .
!!Helmet required!!
Must have fire extinguisher on board and in reach of driver.
Full safety clothing required on open top or no glass.
Must have good brakes.
Note: This is a first year class for the NMMRA added as an incentive to draw racers who might fall between our Modified and Super Modified Classes.
