2.5 Hours Endurance Race @ Thunderhill Raceway East

9/1 - 9/2 (Labor Day Weekend) Thunderhill East Bypass

Rules:

This is a joint event with the United States Touring Car Championship (USTCC).
All regulations are followed by NASA Endurance Racing Regulations unless specific.
Tires: Any tires
No minimum driver requirement
Vehicles must comply with SCCA, NASA, Lucky Dog, PCA, WRL, wheel-to-wheel racing rules

Classification:

Three classes: Group A / B /C
Classes will be determined by Sunday's qualifying time. We will class your car based on our experience and the vehicle's performance at the current race.
Group A - Fastest
Group B - Mid
Group C - Slowest

Pit stops:

1 Minimum pit stop required.
Pit stops will only be performed at the hot pit with a 7-minute required pit time. (In and out of the paddock/hot pit)
Refuel must be performed in the hot pit.
Tire change is allowed after refueling.
A timer will be placed on every vehicle during the pit stop.

Race pace:

We will set a delta lap time after the qualifying session. The delta is -1 sec. If your vehicle goes faster than our pre-set lap time by 1 sec of your class, a penalty (Black flag) will be issued.
The first black flag will be a drive-through warning letting you know you have exceeded the time. The second black flag will be a two- (2) minute hold. The third black flag will be a five- (5) minute hold. The fourth black flag will result in a disqualification for that race, and the vehicle will be removed from competition for the rest of the day.