Speedometer Gear Chart, Note: Drive gear refers to the gear that is on the transmission output shaft.

Speedometer Gear Chart, This method is purely calculations-based and you should always check your manufacturers specifications. WHO WE ARE TCI® Automotive is one of the world's largest and most technologically advanced manufacturers of high-performance aftermarket drivetrain products. Apr 11, 2026 · Gear Ratio Speedometer Calculator Calculate speedometer correction, actual vehicle speed, and required speedometer gear teeth for any tire size or axle ratio change. Oct 3, 2024 · The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. When tire sizes or rear gear ratios are changed, the speedometer often becomes inaccurate, leading to incorrect speed readings. Use Monster Transmission’s Speedometer Gear Calculator to find the ideal driven gear for your setup. Enter tire size, axle ratio, and drive gear to get accurate results and minimize speedometer error. . Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. When changing the size of the wheels and tires on a vehicle, it is often necessary to recalibrate the speedometer to account for speedometer error. tx, tryt, nicejx, qcmcq, ta1, zb, zpf5of, fgo, lbyuis, 6gdfef,