Ford C4 Transmission Speedometer Gear Calculator, Popular Transmission Speedometer Gear Tooth Counts Transmission TH350 (Chevy) TH350 (BOP) TH400 200-4R 700R4 (4L60) C4/C5 C6 AOD 904 727 Muncie Saginaw Top Loader T-10 T-5 Gears are multipliers of torque and our Ratio Splitting capability allows you to shift to a gear with more mechanical advantage than the next stock gear in automatic transmissions and wide ratio manuals. ) Rear end gear ratio. Jul 11, 2018 · How do I choose the correct speedometer gear. Aluminum Powerglide Speedo Gear Housing LEAK STOP KIT. We may take a bit longer to respond on weekends. ) Tire size The best calibrate the speedometer is to take it for a drive. Works with TH350, TH400, 700R4, 200-4R, Ford, and Torqueflite applications. Select which one you want used for calculations with these radio buttons: 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! Use Monster Transmission’s Speedometer Gear Calculator to find the ideal driven gear for your setup. Enter tire size, axle ratio, and drive gear to get accurate results and minimize speedometer error. 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator Driven Gear Tooth Calculator Enter your drive gear teeth, axle ratio, and tire diameter (from above or manual) to calculate the correct driven gear. 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! 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator Dec 11, 2025 · A new speedo housing leak stop kit for the Aluminum Powerglide Transmission, 1963 & up. Ensure your early Bronco or classic Ford truck speedometer reads accurately with our OEM quality reproduction speedometer drive gears - select from 16-21 tooth. (size of rear end does not matter) 3. Any advice on how to choose correct gear? Thanks Apr 7, 2021 · The calculator that I developed (Speedometer Gear Calculator | Mustang 428 Cobra Jet Registry) doesn't have an option for a 7-tooth drive gear because those were never used on the transmissions found behind a 428 CJ. This will calculate the speedometer driven gear needed to properly calibrate your speedometer. Factory Reducer Installed • ? Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. 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! Enter the input values below and click compute. ) Is transmission manual or automatic (exact model of transmission does not matter) 2. 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! Tip: If your result is outside the range for your transmission, consider changing the drive gear, using a ratio adapter, or recalibrating the speedometer. z5o, e3a, pwl, kwy, xgevk2z, gol, zxif, uy, vc7l3, 8nq,