Net must be mounted and secured at the bottom with a seat belt buckle at the top. Batteries must be securely mounted in the front firewall heater box location. Rear coil spring cars must weigh at least 3100 lbs. Leaf spring cars must weigh at least 3150 lbs. Cars can be weighed at any time, no fluids may be added to the cars before post race weigh in.
Weight is with driver in the car, helmet on head, hands on steering wheel.
Weight must be securely bolted to the frame rail. No weight may extend below the frame rail. No weight may be placed in the driver's compartment. D. Suspension 1. No relocating the ball joints, upper or lower, including angle changes and installed height changes.