*Qualified 16 Car field with class placed on a pro ladder
*BODY: Any year car is allowed. You are allowed to have lightweight: Fenders, Sunroofs, Hoods, Hatches, Ground Effects and Bumpers. Quarter panels and doors must be steel. ONLY all-motor cars can run with fiber glass doors and have one-piece front ends. FWD can run with 3-piece front ends. You may not remove any body parts during the competition.
*CHASSIS: All cars are required to have a complete stock chassis
*CLUTCH: Clutches that are anmually operated by foot only allowed
*ELECTRONICS: Engine management, Two-step and Data loggers are allowed
*ENGINE: Engine swaps and Aftermarket blocks are allowed. Catch Pan (Engine Diaper) is required and will be checked by Tech Officials. Spills on the track can be a possible disqualification from any further DRN events and will be based on the discretion of the event director.
*EXHAUST: Exhaust exit points are allowed at any location
*FUEL: Only Gasonline and E85 are allowed. Methanol is NOT allowed
*FUEL SYSTEM: Fuel Cells are allowed / Electric fuel pumps only
*GENERAL SAFETY: Any vehicle must abide by the rules and regulations of the general NHRA safety guidelines
*INTERIOR: All cars require stock dashboard and full interior from the front seats forward. Aftermarket seats are allowed and passenger seat may be removed. All Motor cars not required
*INTERCOOLING: Water/Methanol injection is allowed as long as it is injected into a charge pipe before the throttle body. Air intercoolers are allowed - NO Air/Water Allowed
*LIGHTS: Brake lights and Headlights are a requirement. You may remove one light for induction
*NITROUS OXIDE: Nitrous is allowed for certain combo setups. Make sure your car is permitted to use Nitrous Oxide - if not, the bottle and solenoids will be asked to be removed
*SHIFTER: Shifter must be an H pattern. No Air shifters will be allowed
*SUSPENSION: Aftermarket struts and shocks are allowed. Four links/Ladder bars/Wheelie bars are NOT allowed
*TIRES: TIres will be measured by sidewall. See below for size restrictions. Any size DOT raidal tires are allowed EXCEPT 325/50/15, 295/60/15 and 315/60/15
^FWD: Maximum slick size or DOT bias ply tire is 25.0" x 9.5"
^AWD: Maximum slick size or DOT bias ply tire is 26.0" x 10.5"
^RWD: Maximum slick size or DOT bias ply tire is 26.0" x 10.5"
*TRANSMISSIONS: Any Manual or Auto transmission is allowed. Trans-brakes are allowed. Sequential transmissions are NOT allowed
*TURBOCHARGERS: Listed below are the turbo size restrictions. (All turbos will be measured at the inducer wheel where the inducer wheel meets the housing)
^2-rotor: RWD Manual or Auto 72.9mm single turbo - Nitrous allowed
^4-cylinder: FWD Manual or Auto 72.9mm single turbo - Nitrous allowed
^4-cylinder: AWD Manual or Auto 72.9mm single turbo - Nitrous allowed
^4-cylinder: RWD Manual 72.9mm single turbo - Nitrous NOT allowed
^6-cylinder: FWD Manual or Auto 76.9mm single turbo - Nitrous allowed
^6-cylinder: AWD Manual or Auto 72.9mm single turbo - Nitrous allowed
^6-cylinder: AWD Manual or Auto 62.9mm twin turbo - Nitrous allowed
^6-cylinder RWD Manual 62.9 mm twin turbo - Nitrous allowed
^6-cylinder RWD Manual 76.9 single turbo - Nitrous NOT allowed
*WINDOWS: All windows must be OEM/Factory glass - ok for rear window to be Lexan. All Motor cars are allowed full lexan windows
^^Track Tech Officials have the final decision on the rules and regulations^^