STEP ONE

Use the GT Class Calculator to determine your Class

 

GT Racing Class CalculatoR

Enter the maximum wheel horsepower indicated on the dyno chart
Enter the maximum wheel torque indicated on the dyno chart
Ratio Factors
Click all that apply.

GT Class Calculation

CLASS Final Ratio
GTU 5.99:1- 0.00:1
GT1 6.0:1-6.99:1
GT2  7.0:1-8.49:1
GT3  8.5:1-9.5:1
GT4 9.5:1-13.49:1
GT5 13.5:1-

 

STEP TWO

Complete the Registration Form with your GT Calculator Results

 

GT Racing Class Registration

Name(Required)
Max. file size: 50 MB.
MM slash DD slash YYYY
Enter the maximum wheel horsepower indicated on the dyno chart
Enter the maximum wheel torque indicated on the dyno chart
Ratio Factors
Click all that apply.