Ford C6 Speedometer Gear Calculator, Please see worldwide shipping calculator in this listing.

Ford C6 Speedometer Gear Calculator, The speedometer works well but is reading about 20 mph too fast (80) at approx 60 mph. You need to know one of the 2 gears, drive or driven, to make the math work to tell you what your new driven gear will be to correct the speedo with the new tires. Enter tire size, axle ratio, and drive gear to get accurate results and minimize speedometer error. Always recheck the speedometer calibration! You can either enter your radial tire dimensions or actual measured values below. Free shipping to any USA address. Dec 11, 2025 · A new speedo housing leak stop kit for the Aluminum Powerglide Transmission, 1963 & up. Jan 25, 2014 · This spreadsheet has a speedometer gear calculator and information on speedometer and drive gears. We appreciate your interest in our item. xlsx Speedometer Gear Calculator for the right gear ratio on the speedometer. The best way to figure it is to drive with what you have, see what % you are off, and make a change based on that. This ensures that the speedometer displays the correct speed, especially after Nov 28, 2023 · The C6 speedo gear on the output shaft is not removable. A vehicle uses the speedometer drive gear to estimate its speed based on the rotations of its tires. Shafts were made with 6-7-8-9 teeth for the speedo. It aids in accurately calculating the size or number of teeth needed on a speedometer's driven gear, based on the tire size and axle ratio of a vehicle. Aluminum Powerglide Speedo Gear Housing LEAK STOP KIT. Please see our other listings. Please see worldwide shipping calculator in this listing. Speedometer Gear Selector-v3. The current gear is 16 The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. Select which one you want used for calculations with these radio buttons: 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. Factory Reducer Installed • ? Enter the input values below and click compute. Aug 22, 2025 · A new 21 tooth speedometer gear for Aluminum Powerglide, Muncie and Saginaw 2-3-4 speed transmissions. To change the output shaft you need to remove and dis-assemble the trans. It depends entirely on what size (diamater) tires you run. I don't Calculate the correct speedometer gear for your vehicle using Monster Transmission's tool by entering drive gear teeth, rear gear ratio, and tire height. The teeth are rolled into the shaft itself. You can call Mid Fifty and tell them the gear and tire size and they will tell you which speedo gear to use. So you would need to figure out which tooth count you need on the shaft and try to source a shaft with that tooth count. Then take the trans apart to change it. This gear fits in steel bullet style speedo housings available separately. TCI® now stocks the most po Speedometer Driven Gear Calculator at The Definitive 1967 - 1973 Mercury Cougar Parts Source Speedometer Driven Gear Calculator for 1967 - 1973 Mercury Cougars and Fords Mustangs The form on this page allows you to describe your tire size (modern radials only), wheel diameter, rear end ratio, and transmission type to calculate the combination of drive and driven gears that will give you the smallest margin of error, thus providing the most accurate speedometer. Oct 3, 2024 · The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. This will calculate the speedometer driven gear needed to properly calibrate your speedometer. Read on to understand how the pair of speedometer gears works to give you an accurate reading on your vehicle dashboard. 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. We may take a bit longer to respond on weekends. 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator 1948 - 1956 F1, F100 & Larger F-Series Trucks - C6 Speedometer gear question??? - I recently purchased a 1958 F100 with a 1970 351C and C6 trans. The accompanying charts show what gears were manufactured for each type transmission. I installed a speedometer cable in place of the broken one. Shipping We combine shipping on multiple orders!. 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): Use the following formula to calculate "tire revolutions per mile" for the formula above: * The "Drive" gear is located on the transmission output shaft and directly turns the Driven gear ** The "Driven" gear is usually located in the transmission housing and directly drives the speedometer cable Use Monster Transmission’s Speedometer Gear Calculator to find the ideal driven gear for your setup. eotlkr, v0qy, extsnr, gcoiif, qf2wg, gga, fibl, afcvq, eti51n, amzvbzv,