Engine & Drivetrain:
- -Any power adder acceptable.
- -Must run a collector style header. (no zoomies) Turbocharged cars do not need mufflers (inserts are not considered mufflers).
- -Any motor combination acceptable.
- -Engine diaper for oil containment is required.
Weight / Engine Combos
- 4 & 6 cylinder alcohol & intercooler permitted. No minimum weight.
- Single Power Adders Only (No Blower + Nitrous or Turbo + Nitrous).
- All weights are minimums w/driver.
- Naturally Aspirated
- Small Block No minimum weight.
- Big Block No Minimum Weight.
- Small Block 2250 lbs.
- Big Block 4.840 & 4.900 Bore Center 2450 lbs.
- Big Block 5.00 Bore Center 2550 lbs.
- Big Block 5.20 & 5.30 Bore Center 2650 lbs.
- Single Turbo SB 2500 lbs Big Block 2700.
- Twin Turbo 94mm SB 2700lbs BB 3050lbs.
- Twin Turbo 91mm SB 2650lbs BB 3000lbs.
- Twin Turbo 88mm and smaller SB 2550lbs BB 2900lbs.
- Conventional heads deduct 100lbs.
- BB less then 550ci deduct 100lbs.
- Maximum engine size on all turbocharged engines 670ci.
- Blocks larger than 5" bore spacing add 100lbs.
- Maximum turbo size of 94mm on all twin turbo combinations turbo.
- Centrifugal Superchargers SB 2500 lbs, BB 2700 lbs.
- Twin Centrifugal Superchargers SB 2700 lbs, BB 3000 lbs.
- Roots Supercharger SB 2500 lbs, BB 2700 lbs.
- Screw Superchargers max overdrive 121%, "C" rotor 3000 lbs, 125%, "D"rotor 2900lbs (MAXIMUM ENGINE SIZE 540ci).
- Blocks larger than 5" bore spacing add 100lbs..
Body & Suspension:
- -Funny car or one piece bodies not allowed even if equipped with doors.
- -Maximum front end overhang of 45" as measured from centerline of front spindle.
- -An approved extension may be used to reach 45" if the front end overhang of the body is less than 45".
- -Doors required! Doors must be functional and able to be opened from both the inside and outside of the vehicle.
- -Cars will run on a .400 pro tree, for an 1/8th mile.
- -All cars must be able to pass track's tech inspection – NO EXCEPTIONS. For further car safety specs, refer to the sanctioning body of the track the event is being held at.