Chassis-
Any commercially produced 1/32 womp style chassis, past or present. Only exclusion Mid-America LTO Hammer.
 
  • Bracing is permitted.
  • NO cutting of chassis.
  • Motor must be mounted 90 degrees to rear axle.
  • Chassis must remain as a “one piece” unit. NO “flexi” style multi-piece modifications are permitted.
  • Additional weight is permitted.
  • LVJ Chassis must have the front screws assembled with Lock-Tite (or equivalent) and be tight to the chassis.
  • Offset axle bushing are permitted.
  • NO ball bearings.
  • Pin tubes are allowed, but bodies must remain ridged.
  • NO “floaters”.
  • Mid-America Hammer chassis ONLY, the front axle holes may be ground out enough to allow axle to sit at correct height (because of the flaw).
  • 1/8” eyelets may be soldering in holes to provide correct size hole for axle to run in.
 
Width & Wheel Base:
 
Width- 3” centered with no offset of excessive slop. Width is to be measured by a standard ruler.
 
Wheel Base- Maximum of 3 1/8” center to center of the axles. No offset or excess slop allowed.
 
Clearance- .047 clearance measured from under the motors end bell back including the crown gear.
 
Motor-
  • JK Hawk 25 #JK30325
  • Motor must be mounted in line at 90 degrees to the rear axle.
  • JK motors must be mounted with a motor ID stamp visible.
  • Motor may be tack soldered in place.
  • Motors may NOT be opened by any method, tech officials will fail any car presented, showing evidence of motor disassembly or other tampering.
 
Guide Flag-
  • Any flag that is commercially available.
  • NO shortening of the guide flag.
  • Cutting excess above the nut is permitted.
 
Tires & Axles-
Front:
  • 1/8” solid axle ONLY.
  • NO rounding, curving, coning, or painting permitted.
  • Tires may be narrowed to 3/8” minimum width.
  • ProTrack tires ONLY.
 
  • Stockcar & Mini-Crates-
    • 3/4” diameter white lettered fronts ONLY.
    • Independent front axle combinations permitted.
  • Legends-
    • Can run 3/4" O-Ring fronts.
    • NO independent fronts.
 
Rear:
  • 1/8” solid axle ONLY.
  • Any diameter tire that provides the required minimum clearance.
  • White lettered ProTrack tires ONLY.
 
Gear-
  • 9 tooth pinion ONLY, open crown gear, 48 pitch ONLY.
  • Beveled gears permitted.
 
Body-
  • Caveman Stockcar body
  • Caveman Mini-Crate body
  • Caveman Legend body
 
Interior-
  • Stockcar-
    • Interior is mandatory.
    • Must be 3D with a driver and detailed with a minimum of 3 colors (ie. Black interior, white suit, red helmet, and gloves).
    • Must be installed so the chassis CANNOT be seen through any windows.