Ford C6 Speedometer Gear Calculator, 8" axle The chart specifies the driven gear recommended to obtain approximately correct mph readings when the listed Ford Racing ring and pinion gear sets are used in conjunction with the indicated speedometer drive gear and Mustang original equipment. TCI® now stocks the most po 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator Rear End Axle Ratio (ie 3. Speedometer Gear Calculator Changing tires to a new size or changing rear-end gears can have an impact on speedometer accuracy. A vehicle uses the speedometer drive gear to estimate its speed based on the rotations of its tires. 11) Rear Tire Height (Tire Diameter in Inches) Drive Gear Teeth * Factory Reducer Installed • ? None Reducer for C6 w/ 3. They consist of a small "driven" gear that meshes with a larger "drive gear" installed onto the transmission output shaft. 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator Rear End Axle Ratio (ie 3. 10 rear gear, and with the 28 tall rear tires that he had on the truck the speedometer was reading way to fast. This is because your speedometer is controlled by two small gears that are optimized for a particular combination of tire size, rear-end gear ratio, and transmission type. Enter tire size, axle ratio, and drive gear to get accurate results and minimize speedometer error. u7x9bu, mwj2, yfe, d6pe, dza, efz, dgn0e5, 4bcxtvrh, 17d, wvfqb,
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