2. The body must be secured properly to the chassis, so that it will not come off during the race. Tamiya stock or Hop-Up bodies are allowed and may be modified by the racer. Unrealistic body modifications or scratch built tube frames are not allowed. 3. Race cars that may be a potential hazard to the track or other cars, are not allowed to race. All cars must be inspected by the race officials. All components must comply with the rules and regulations. Cars that have not passed inspection may not participate. 4. Possession of a spare car is permitted on the condition that the features and degree of modification are identical with the approved car. Spare car is also required to pass inspection. Cars cannot be switched during the same heat. 5. Roller requirements: Maximum of 6 pieces total. ![]() 1. Maximum width (including rollers, etc.) 105mm (4.13") 2. Maximum height (including rear wing) 70mm (2.76") 3. Maximum length (including bumper, stabilizer, etc.) 165mm (6.50") 4. Minimum ground clearance 1mm (.004") 5. Minimum weight, ready to run 90gms 6. Tire diameter not less than 22mm (.87") or greater than 35mm (1.38") 7. Tire width not less than 8mm (.31") or greater than 26mm (1.02") 2. All cars are limited to one motor only. 3. Motors cannot be modified either externally or internally. 4. Some events may limit the type of motor that may be used. 2. Batteries that have been tampered with or which have torn coverings will not be allowed. 2. Parts may be modified as long as they meet regulation requirements. 1. Body and chassis may be trimmed, drilled or sanded to lighten. 2. Modifications made to car using Tamiya or scratch built parts are allowed. 3. Scratch built chassis or alteration of wheelbase is not allowed. 4. Gears may be modified for weight savings is allowed, but changing the number of teeth is prohibited. 5. The car must be fitted with stock or Tamiya Tune-Up parts wheels and tires. Wheels and tires can be modified providing they are not potentially damaging to the track or other race cars or entrants. 6. Stock bodies may be modified as long as it retains its basic appearance. 7. Battery terminals and electronics must be stock or from available Tamiya Tune-Up parts and are limited to one set per car. 8. Modifying chassis to expose gear components is prohibited. 2. No changes may be made to the car once it has passed inspection. 3. Race officials may randomly inspect any car at any point of the race. Cars found not to be in compliance will loose all previous results. Entrant must bring cars back into compliance with the rules in order to return to the event. 1. If the car is potentially damaging to the track or to other cars or racers. 2. When the car is found to have been intentionally modified to interfere with other cars during racing. 3. If the racer intentionally disrupts other cars or the track while racing is in session. 4. Modifying the car after inspection. 5. Disobeying officials or disrupting the race. 6. Displaying non-sportsman like behavior that is disturbing to others. 2. Age restrictions may apply to some classes or events. 2. Concours entries are not limited to race participants. 3. Concours contests may be held at the discretion of the race director. - Source: Tamiya.com |