H&R SPORTSMAN HARDBODY
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CHASSIS:
  • H&R racing CH07 chassis.
  • May solder or glue motor to chassis.
  • May solder or glue bushings to chassis. Must only use oilites.
  • Must have 3/64” (.047) clearance on all chassis points including spur gear.
  • Any guide flag and brushes may be used.
  • Bracing may NOT be added to chassis.
WIDTH:
  • Car must not exceed 3 1/4” (3.250) maximum width at any point on the car.
  • Tires may protrude no more than 1/16” from the body
MOTOR:
  • H&R Cobra, stock motor no alteration permitted.
  • Max RPM of 29,500 @ 12 volts for all motors.
  • Any lead wire may be used. Clips permitted.
AXLE:
  • Must use 1/8” (.125) axle.
  • Oilites only, no bearings.
GEAR:
  • 9 tooth, 48 pitch straight pinion.
  • 31 tooth plastic crown gear.
TIRES:
  • Front minimum tire H&R NASCAR #1107 or ProTrack #320 .940” dia x 18mm (.600”) width.
  • Rear minimum tire H&R NASCAR #1107 or ProTrack #320 .970” dia x 18mm (.700”) width.
  • Centered equal spacing. No off setting.
  • No treatment of the front tires or independent axle.
BODY:
  • Any 1964 thru 1976 1/24 or 1/25 scale plastic sedan style body, minimum length is 7.5”.
  • May cut fender openings to accommodate racing tire clearance.
  • Must have 3 dimensional interior, chassis should not be visible, numbers on roof and doors.
  • Front and rear glass required. Kit glass may be replaced with Lexan. Windows must remain clear.
WEIGHT:
  • 200 gram minimum weight. May add lead weight.