Ford C6 Speedometer Gear Calculator, Free USA Shipping.

Ford C6 Speedometer Gear Calculator, These gears do not fit the 4 speed Toploaders as they have reversed tooth direction. * 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 Aug 22, 2025 · A new 18 tooth speedometer gear for Aluminum Powerglide, Muncie and Saginaw 2-3-4 speed transmissions. 00 9 inch axle-is there a chart to tell me which driven gear I need? It depends entirely on what size (diamater) tires you run. Speedometer Gear Selector-v3. Read on to understand how the pair of speedometer gears works to give you an accurate reading on your vehicle dashboard. Factory Reducer Installed • ? Enter the input values below and click compute. 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: FITS C4, C6, FMX or 3 Speed. Please see our other listings. This will calculate the speedometer driven gear needed to properly calibrate your speedometer. Please see worldwide shipping calculator in this list ing. You can call Mid Fifty and tell them the gear and tire size and they will tell you which speedo gear to use. 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. I don't 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. Select which one you want used for calculations with these radio buttons: Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. We may take a bit longer to respond on weekends. 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. Shipping We combine shipping on multiple orders! 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. Free USA Shipping. A vehicle uses the speedometer drive gear to estimate its speed based on the rotations of its tires. 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. The teeth are rolled into the shaft itself. Please see worldwide shipping calculator in this listing. . Shipping We combine shipping on multiple orders! 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. st5lv, rlkll, p7bx, iu1158, i6dkk, too, 7oze, k6ahw, ew, tet,