- Event Type
- Track Event
- Event Organizer
- OnGrid
Standard HPDE rules apply for the day ... unless you're competing in Super GT Cup.
Rules (As of 12/23 -- https://www.ongridtrack.com/supergtcup)
CARS
SUPER GT CUP is a Time Attack competition for American cars.
Cars allowed:
Camaro, Corvette, Viper, Mustang (including Shelby and GT4),
Download Class Calculator
Submitted Class Calculators
Please submit your completed Class Calculator to [email protected] with your First and Last name as the file name.
*You must submit your completed Class Calculator before the event in order to compete*
Classing/Entries
Round 1 --- Fight!

Rules (As of 12/23 -- https://www.ongridtrack.com/supergtcup)
CARS
SUPER GT CUP is a Time Attack competition for American cars.
Cars allowed:
Camaro, Corvette, Viper, Mustang (including Shelby and GT4),
- Any Other American cars are subject to approval by SUPER GT CUP Stewards
- Electric or Hybrid vehicles are not allowed
- SUPER GT CUP has a class calculator based on points.
- Points are divided in 2 parts: ‘CAR BASE’ points, ‘MODIFICATION POINTS’
- CAR BASE points: every type of car will have a unique ‘Base’ points count
- MODIFICATION POINTS: Points base on specific mods in the car
- All mods including factory options must be selected. (ex: Camaro ZL1 1LE must select “Level 2 Wing” under aero) (Updated 11/3/20)
- The sum of BASE and MODIFICATION points will define the class for the car. There are 4 different classes:
- STREET (total points : <=5)
- MOD (total points : 5.125 – 11)
- SUPERMOD (total points : 11.125 – 16)
- RACE (total points : >16)
- Max front tire width for STREET class is 305mm. (Updated 11/11/20)
- Level 3 R-compound tires are allowed only in SUPERMOD and RACE. (Updated 11/11/20)
- Cars in STREET class may remove their rear seats only if rollbar is installed. (Updated 11/11/20)
Download Class Calculator
Submitted Class Calculators
Please submit your completed Class Calculator to [email protected] with your First and Last name as the file name.
*You must submit your completed Class Calculator before the event in order to compete*
Classing/Entries
- Any modification to a competitor’s vehicle must be allowed within said class and the rule book along with the CCR. If you have any questions, please email [email protected].
- Only 1 driver per entry allowed. No teams allowed or multiple drivers sharing the same car. (Updated 11/3/20)
- The same vehicle may not be used for multiple entries. (i.e. you cannot swap tires to bump down a class and compete with the same car in 2 classes.) (Updated 11/3/20)
- Drivers my switch vehicles between rounds, but must be re-classed based on new vehicle. (Updated 11/3/20)
- Times from vehicles not registered for SUPER GT CUP will not be counted.
- SUPER GT CUP Stewards may re-class any vehicle if the vehicle greatly exceeds its classes performance capability.
- Competing vehicles must be from a recognized manufacturer and have been mass produced for the general public with a VIN#.
- Full tube chassis are not allowed unless part of the OEM chassis have been cleared by an SUPER GT CUP Race Steward prior to the event.
- Vehicles must resemble their stock body by keeping true to the original outline and overall body shape.
- One internal combustion engine is allowed per vehicle.
- Unleaded gas and E85 are the only fuels permitted.
- Engine swaps are permitted as long as the new engine has the same amount of cylinders as the factory engine.
- OEM seatbelt allowed
- 4 point harness must be Anti-SubMarining (ASM). ex: Schroth Quickfit
- 4 point ASM harness must be designed for your car ie: don’t use a 4 point ASM designed for a Mustang in a Camaro
- Vehicles equipped with 5 or 6 point harnesses must have a 4 point roll bar at minimum.
- Brake lights must be fully operational in all classes.
- Lexan/Acrylic Windows are allowed only in RACE class
- Removal of trunk interior allowed in Street
- Interior removal BEHIND B PILLARS as long as it does not compromise safety is allowed in "MOD"
- Interior removal BEHIND A PILLARS as long as it does not compromise safety "SUPERMOD"
- Unlimited interior removal ( i.e. Gutted Doors, Dashboard removal, Heater Core removed ) is ONLY ALLOWED in Race class.
- Passenger seat removal allowed in MOD class and above
- Head and neck restraints are mandatory for RACE class, and highly recommended for every other class.
- All competing vehicles must pass onsite inspection by an SUPER GT CUP Race Steward or have been inspected by an SUPER GT CUP approved shop prior to the event.
- SUPER GT CUP Race Stewards may inspect competitors’ vehicles at any time to ensure vehicle complies to the rules and safety standards.
- All vehicles must have a front and rear tow hooks or straps.
- Competitors must run any and all decals required by SUPER GT CUP organizers.
Round 1 --- Fight!