How to Use the Live Gear Calculator & Chart
First, figure out what gears you have in your car now:
Next, repeat the Steps 1-4 once again. In Steps 5 and 6, enter the ratios that you might like to use to produce a new gear chart.
How to Collaborate in Real Time
With the Retro Sport Interactive Gear Calculator you can collaborate with your mechanic and race team, or with our Porsche racing specialists, to find the perfect gear ratios for your car and application.
Here is how it works:
If you'd like to collaborate with us, please contact us at 510-907-9700 so that we can set a time to work together online in real time and find the best fit for your application.