SGTC Rules
Super GT Cup Rules
CARS
SUPER GT CUP is a Time Attack competition for American cars.
Cars allowed:
Camaro, Corvette, Challenger, Charger, Mustang (including Shelby and GT4), Viper.
Any Other American cars are subject to approval by SUPER GT CUP Stewards
Any chassis that contains a American made engine may compete in RACE class
Electric or Hybrid vehicles are not allowed
CLASSES
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)
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.
Level 3 R-compound tires are allowed only in SUPERMOD and RACE.
Cars in STREET class may remove their rear seats only if rollbar is installed.
The class calculator will determine what Class the car will belong in (Updated 1/10/22)
Please submit your completed Class Calculator to race@ongridtrack.com 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 race@ongridtrack.com.
Only 1 driver per entry allowed. No teams allowed or multiple drivers sharing the same car.
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.)
Drivers may switch vehicles between rounds, but must be re-classed based on new vehicle.
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.
CHASSIS
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.
ENGINE / DRIVETRAIN
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.
INTERIOR / SAFETY/ MISC
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 tow hook or strap. Easily accessible rear tow point is acceptable, but rear tow hook or strap is strongly recommended.
Competitors must run any and all decals required by SUPER GT CUP organizers.
POINTS
After every round driver’s points will be given to the first 10 places in each class.
Driver points will be distributed as follows:
1st place = 25 points
2nd place = 18 points
3rd place = 15 points
4th place = 12 points
5th place = 10 point
6th place = 8 point
7th place = 6 point
8th place = 4 point
9th place = 2 point
10th place = 1 point
There will be 6 rounds in total. Driver's top 5 rounds, where the most points are scored, will be counted.
Driver points follow driver AND class.
Ex1: If a driver competes 1 day in MOD and gets 1st place and then competes the next day in SUPERMOD and get 1st place, that driver will have 25 points in MOD and 25 points in SUPERMOD.
Ex2: If a driver competes 1 day in MOD and gets 1st place and then competes the next day in MOD again and get 1st place, that driver will have 50 points in MOD.
Drivers must attend 3 rounds to qualify for season points.