RacingDiffs

Accurately calculate top speed using transmission and differential gearing.

This tool delivers precise top speed calculations based on your transmission and final drive ratios, showing the maximum achievable speed for each gear.

The required inputs are:

Tire size

Transmission gear ratios

Final drive ratio

RPM limiter

You can select your preferred unit of measurement, either kph or mph.

This information is essential for track and motorsport enthusiasts looking to optimize their car's gearing for a specific circuit. It aids in finding the ideal balance between top speed and acceleration, a critical factor for drag racers as well.

What's New in Version 1.3

Last updated on Oct 12, 2024

Bug fixes.