GENERAL ENDURO RULES:

Fuel tank capacity limits are open.
Dry Brake Fueling systems are allowed.
Wheels are open and must be made of metal. Any wheel stud, bolt or nut is permitted. Tires must be 124 (“U”) mph rated or better.
Maximum of 2 hours per driver with a minimum of 2 hours between stints All pit stops are a minimum of 5 minutes.
Timers shall be placed on each car as they exit the track. If you do not have a timer on your car when you pit you will be held for 5 minutes by the pit lane worker.
Driver change allowed during fueling ONLY. Fueling maximum 4 persons, 1 fueling, 1 fire extinguisher, driver change 2 persons during fueling. No work on the car allowed until fuel cap or dry break are closed and fuel can is behind the wall
Lights at each driver hot pits are to be provided by each team to provide a minimum clear view during fueling for safety.
Qualifying will be open for one hour. Classes will be determined by qualifying times and car classification if the car does not qualify.
Cars not competitive in their class will be moved down. Cars too fast for their class and competitive in the next class up will be moved up to that class.
There will be up to 4 classes, E1, E2, E3, E4 depending on the number of cars, to provide a competitive class for all cars.
All vehicles must meet the safety and equipment requirements of the 2025 GCR sections 9.3 & 9.4 “Roll cages for GT and production based cars or Appendix I, 2007 Cage Rules.
Production cars only. No tube frame cars. If you have a question regarding if your car is legal to compete contact the Tech Chief, Doug Nelson at 520-631-4989
Fuel is available at the track and available 10 minutes from the track. Premium fuel and race fuel are available at the track but limited to 450 gallons. Additional fuel can be made available at the track per request call… (602) 707-7222
Fueling and driver changes will be made in the competitor’s designated pit space.
Headlights, taillights and brake lights are required for each car. Additional headlights are allowed provided they do not impede another competitor.