http://www.TommyJeep.com

TommyJeep.com

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Other Calculators

Each one of the following tables are there own calculator.  Fill in the data on the left and click Calculate.  The result will be displayed on the right.

Compute Speed
Enter your engine RPM
Enter your high gear ratio
Enter your final drive ratio
Enter your tire diameter
Computed Speed:

 

Compute RPM
Enter your speed in MPH
Enter your 5th gear ratio
Enter your final drive ratio
Enter your tire diameter in inches
Computed RPM:

 

What should your new Final Drive Ratio be to match your larger (or smaller) tires
Old Tire Diameter
New Tire Diameter
Old Final Drive Ratio
New Final Drive Ratio:
*Listed is the closest ratio