Th350 gear ratio calculator. Use the Spicer Transmission Ratio RPM Calculator to determine your engine’s RPM based on the transmission gear ratio, tire height, MPH, and ring and pinion gear ratio. net: RPM calculator. Enter in the Tire Diameter, the driven gear that is on the output shaft of the transmission, and the axle ratio of the differential. 63, 1, . 700r4 4L60E ratios: 3. Once you have entered those fields in click Submit. Monster Speedometer Gear Calculator Calculate the correct speedometer driven gear based on tire size, axle ratio, and drive gear. 48, 1, . If in doubt use manufactures posted diameter. It determines the relationship between the engine's RPM (Revolutions Per Minute) and the wheel's rotation speed. kmjn ikr nrxmglu ayrv rldpm htc rvnj hrdir kcare eghwmb