Class 7: Unlimited mini or mid-size trucks/SUV
Aka: 7200 (BITD)
Horsepower: 250-550
Wheel Travel: 18-26 Front, 24-35 Rear
Weight: 4,000-5,500
Top Speed: 120 mph, 190 km/h
Cost New: $60,000-150,000
Cost Per Prep: $4,000-8,000
Basic Rules:
Chassis:
- Stock frame must be retained and no material may be added or removed. Crossmembers are the exception.
- Wheelbase must be within 2 inches of stock configuration.
- Track width is limited to 78 inches.
Engine and Drivetrain:
- Engine is limited to 6 cylinders; displacement is limited to 4.5 liters.
- Engine must be located within 1 inch of stock mounting location.
- Transmission is open. Front differential must remain stock but may be strengthened.
- Rear axle assembly must use a standard automotive production housing and third member.
Suspension:
- Front suspension must retain the original stock concept (a-arms, i-beam, etc.).
- Shock may not protrude through the hood.
- Rear suspension is open.
BITD Rules (new for 2007):
- Engine is limited to 6 cylinders; displacement is open.
- Track width is limited to 85 inches.
- Vehicle must have fenders.