Gear Ratio Calculator

Race Type 1/4 Mile 1/2 Mile Number of Gears 6 Gears 5 Gears 4 Gears Final Drive Ratio 2.50 2.94 3.50 3.90 4.25 4.69 Peak HP RPM Horsepower at Peak HP RPM Redline RPM Calculate

Gear	Ratio	Speed @ Redline (MPH)	Recommended Shift RPM	Speed @ Shift RPM (MPH)