3.0 Length, Width, Clearance
3.1 Maximum overall width (included wheels and axles) shall NOT exceed 2-3/4”
3.2 Minimum width between the wheels shall be 1-3/4”
3.3 Minimum clearance between the bottom of the car and the track shall be 3/8”
3.4 Maximum length shall NOT exceed 7”
3.5 All cars must have a wheel base (distance between wheels) no less than 4 inches, with the 2 rear wheels and 2 front wheels positioned directly across the body from one another. Wheels cannot extend beyond the front/rear of the car proper.
3.6 Maximum height shall NOT exceed 3”