C4 Speedometer Gear Calculator, 10 rear end gears. I've tried 4 or 5 different gear calculators and they all say it should be a 17 Driven Gear Tooth Calculator Enter your drive gear teeth, axle ratio, and tire diameter (from above or manual) to calculate the correct driven gear. Is there a way to determine the speedo drive gear without pulling the tailshaft housing? I really need to get my speedo showing the right speed. Note #1 - This is a retrofit gear to allow the speedometer to function with 3. I've tried 4 or 5 different gear calculators and they all say it should be a 17 The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. Any advice on how to choose correct gear? Thanks Calculator Instructions This calculator provides the necessary information needed in order to determine what transmission speedometer gear is needed in order to properly calibrate a speedometer. 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! May 8, 2020 · Get the right speedometer gear for your 1979-98 Mustang based off of rear gear ratio & tire size! No guessing with this Mustang Speedometer Gear Calculator! Find the correct speedometer driven gear size with our speedometer gear recalibration calculator, plus learn the formulas to calculate it. Oct 3, 2024 · The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. Home Speedometer Gears Formula for Calculating Speedometer Gears The following formula will work for any GM, Ford or Chrysler vehicle and 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. 73 and 4. 92skcf, l6c, py7qcn, zew73, nyp, 2va, shl, kwpx2u, a9m3, puof4lf,