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Differential Gear Ratio Calculator

February 3, 2016 Roadkill Customs Technical Info
Differential Rear-End Gear Calculator
  1. Enter the maximum potential safe engine RPM.
  2. Enter the tire size diameter and the target vehicle speed in MPH.
  3. Click “Calculate Differential Gear Ratio”.

The value returned is the estimated differential gear ratio, based on the entered values.

Enter Potential Maximum Safe Engine RPM:

Enter Tire Size Diameter:

Enter Desired Target MPH:

Rear End Gear Ratio Needed:
:1

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