Our Calculators! THESE ARE JUST ESTIMATES BASED ON SIMPLE CALCULATIONS!)

Vehicle weight in pounds (including driver) lbs

You are making : HP at the rear wheels and HP at the flywheel*. JavaScript must be enabled in your browser for the calculation to work.

*Note: Assuming a 18% drive train loss.

Tire diameter in inches JavaScript must be enabled in your browser for the calculation to work.

Rear End Gear Ratio JavaScript must be enabled in your browser for the calculation to work.

Fill in the following if you're interested in calculating gearing and/or RPM changes

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