DIRT CHAMP CAR SPECIFICATIONS

    Parma brass or steel Womp, FCR or Sprint Plus in-line only. The frame may not be altered or modified in any way except to narrow the sides and to lengthen the front end by means of an extension plate.

    The wheelbase shall be a minimum of 3 7/8" and a maximum of 4 1/8". Maximum width of the frame behind the front axle tab will be 9/16" measured each side of the center line of the frame. The center line is defined as the line following the armature shaft of a mounted motor through the center of the front guide hole. No off-set frames allowed.

    The rear loop of the cage must be 1 3/4" high measured from the top side of the frame. The opening above the driver must be at least 7/8" by 7/8". Brass thickness must be 1/16" for the main components in the driver area.

    Each side of the car must have one nerf bar not extending more than 3/4" beyond the side edge of the frame. AT NO TIME
MAY A NERF BAR EXTEND BEYOND THE OUTER EDGE OF A REAR TIRE. Must be made of either 3/64" or 1/16" rod or tubing.

    Front bumper is optional, however, it may not extend in front of the center of the guide post and may not be made of rod or tubing larger than 1/16" thickness. Rear bumper must be made of 3/64" rod or tubing and is mandatory.

    Maximum length of the car may not exceed 7 1/4" measured from the front tip of the guide flag to the rear bumper.

    The width of the car will be 3" maximum measured from the outside edges of the wheel/tires on each axle. No wheel/tire may extend farther than 1 5/8" from the center line.

    Ball bearings may not be used anywhere on the car.

Hood and tail must be made of either lexan or plastic only. Hood must be mounted at least 1/4" below cross bar of roll cage.Top of tail must be at least 1 3/8" above top side of frame. Tail must extend at least 1 1/4" behind rear edge of rear axle. Both hood and tail must be mounted securely and painted. Tail must be numbered. The hood must extend beyond the front axle and must be tapered to a maximum of 1" at that point.

    Driver figure must be painted and be mounted below the top bars of the cage.

All cars must use the Falcon 1 motors that are available from the limited supply of SCORE. The orange product label must be intact and the motor must remain factory sealed. Remagnetizing ("zapping") motors is strictly forbidden.

All rear tires must be at least 1-1/16" in diameter and no more than 13/16" in width. All silicone coatings must be readily available retail products and are subject to the approval of the Race Director. At no time may any product other than Twinn-K or Castrol Super Clean be used to clean a tire. Front tires must be at least 7/8" in diameter and between 1/4" and 1/2" in width.

    All weights must be secured below the frame or underneath the body so that when the car is viewed from above no weights or tape are visible. A 1/16" ground clearance must be maintained below the car.

    Gearing is unlimited, however, no gear may infringe upon the 1/16" ground clearance.

    Wings are not allowed.

    All cars must have the appearance and proportions of an authentic scale (1/25th - 1/24th) Dirt Championship car. Any questions concerning the eligibility of any car should be made to the race director well in advance of any competition. The race director will approve or disapprove each car.