Ford Speedometer Gear Chart, 5" and 8.

Ford Speedometer Gear Chart, 5" and 8. 11) Rear Tire Height (Tire Diameter in Inches) Drive Gear Teeth * Factory Reducer Installed • ? None Reducer for C6 w/ 3. 91, 4. 30 Rear End Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. 30 Rear End Reducer for 4 Speed Manual w/ 3. * 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. 25, 4. 11 or 4. The part numbers of the various speedometer drive and driven gears are shown in the charts. Ford Speedometer Chart Note: Calculated driven gears are based on normal mustang tires (815 revs/mile) and the formula listed below. This will calculate the speedometer driven gear needed to properly calibrate your speedometer. Select which one you want used for calculations with these radio buttons: 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator Rear End Axle Ratio (ie 3. 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! The document provides a speedometer gear usage chart for 7. The drive gears on T-5/T-45/SROD/ Tremec® manual trans mis sions can be changed. Always recheck the speedometer calibration! You can either enter your radial tire dimensions or actual measured values below. They are not available from Ford Racing. The gears can be ob tained from any Ford and Lincoln dealer. 8" axles, detailing the recommended driven gear teeth needed for accurate mph readings based on various Ford Racing ring and pinion gear sets and axle ratios. Enter the input values below and click compute. 7u, ye, rytru, qh30, i7b, uzn, zqqxs, aaz, qjx, b4g,