This setup was used for Seasonal Events' Stars and Stripes. This setup was pulled from my GT4 tune of this car but with differences.
The tranny trick here was used and how to use it I'll explain:
1.) Move final Gear Ratio to its max
2.) Move the top speed to max and back to min
3.) Only mess with the Final Gear Ratio, Move it to where you'll like it at.
Car is running on:
This means that this car loves to Accelerate so starting off the line will require light to medium throttle. It Handles well but be aware of flying off jumps. If you do expect your rear end to fishtail out but don't worry, you won't spin out.