Blue Hills Raceway

Box Stock Car Class

Note changes from HOPRA National Rules

This class is divided into two divisions: Inline Motor cars and Can Motor cars. Tomy SG+, AFX Mega G, LifeLike M-chassis, Tyco/Mattel 440×2, Auto World Super III, JAG Hobbies TR-3/NC-2/PR5, Tomy SRT/Turbo, LifeLike T-chassis, AFX Mega G+, HC Slots Super 7 and Bulldog Standard/SRT.

Note: Due to age of Tomy Super G+, Viper V1 or BSRT G3 Chassis may be used with original Super G+ Parts.

  1. Only allowed changes to stock, out-of-the-package car is the addition of any non-coated solid silicone, rubber, or urethane replacement rear tires and any double or single flanged replacement wheels.
  2. Every part will be exactly as it comes from the original manufacturer for that particular car type/model, including all gears, axles, pickup shoes, pickup shoe springs, motor brushes and motor springs. No cutting or reaming of chassis, axle holes or any bushings. Axle diameter and length must remain stock. No truing, lightening or other modifications to front wheels/tires. See #9 for minimum front tire size for each car type/model. Rear rims and slip-on tires, per #1, are only allowable changes.
  3. Armatures wil be in factory stock condition as it comes from the original manufacturer for that particular car type/model. No tampering with stock condition.
  4. Absolutely no cutting, lightening or any other modification allowed to car’s body. Re-paints are permitted. Body types (i.e., stock car, sports car, open wheel) are to be determined on a race-by-race basis.
  5. Polishing and lubricating of metal components are permitted.
  6. Removal of protective plastic heat shields is permitted.
  7. Guide pin may be trimmed for clearance purposes.
  8. Pick-up shoe spring tension may be adjusted.
  9. Minimum diameter for front tires, per particular car type/model:
    Tomy SRT, Super 7 and all JAG — .385
    AFX Mega G and Mega G+ — .375
    Tomy Super G+ — .385
    Tomy Turbo — .380
    LifeLike T-chassis — .370
    LifeLike M-chassis — .370
    Auto World Super III — .410
    Tyco/Mattel 440×2 — .410

Note: If F1 or open wheel bodies are used then any front wheel/tyre and axle combination is allowed.