RacingDiffs

Precise Top Speed Calculations for Your Vehicle's Gear Ratios

This app delivers precise top speed calculations based on your transmission and differential gear ratios. It provides detailed maximum speed information for each gear.

To use the app, you'll need to input the following:

• Tire dimensions
• Transmission gear ratios
• Final drive ratio
• Rev limit

You can select either kilometers per hour (kph) or miles per hour (mph) as your preferred unit.

This application is a valuable tool for motorsport enthusiasts and track day drivers seeking to optimize their vehicle's gearing for specific tracks. It helps achieve the ideal balance between top speed and acceleration—a critical factor for drag racing as well.

Version 1.3 Update (October 12, 2024)

This update includes bug fixes.

RacingDiffs Screenshots