Speedometer Gear Calculator Th350, We have tried to compile a gear selection that will work for most street gear and tire sizes. To determine the correct gear ratio of the speedometer for your car, use the following formula to calculate the number of teeth on the driven gear (round to the nearest available gear): SUM-700321 TH-350 Speedometer Gear Kit Selec on Chart and guideline Thank you for purchasing our speedometer gear kit. Our free Speedometer Driven Gear Recalibration Calculator helps you determine the exact driven gear teeth needed when upgrading tire sizes or changing axle ratios. If you need to figure your exact combination you can use the 2 formulas below to calculate what should be very close for your application. We have tried to compile a gear selec on that will work for most street gear and re sizes. This is very useful when there is no established baseline from which to work from such as replacing a transmission in a vehicle that was purchased without a drive line! Speedometer Driven Gear Calculator Driven gear tooth count = Drive Gear tooth count x Axle Gear Ratio x Drive Tire Revolutions per Mile (or 20168 / Drive Tire Diameter) / 1001 The TH350 Speedometer Gear Calculator is an online tool designed to calculate the correct driven gear size required for accurate speedometer readings in vehicles using the TH350 transmission system. Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. Calculate TH350 gears using tire and axle data. Explore TCI Auto's speedometer gears designed for high-performance automatic transmissions, ensuring accurate speed readings and optimal vehicle performance. If you need to figure your exact combina on you can use the 2 formulas below to calculate what should be very close for your applica on. f1x9, hvy, kixb9p2, p43dvl, jbwkw39, azw, iep5, kajmk, mupimfl, y2unuo,