Ford Speedometer Gear Chart, Click the link! Genuine OEM Ford part. Select which one you want used for calculations with these radio buttons: Use Measured Diameter (best) Use Radial Designation Speedometer gear uSage chart — 7. I am dropping in a toploader from a 69 (RUG E3) into an f100. Will also fit other Ford manual transmission applications. Speedometer Driven Gear Calculator Driven gear tooth count = Drive Gear tooth count x Axle Gear Ratio x Drive Tire Revolutions per Mile (or 20168 / Drive Tire Diameter) / 1001 Speedometer gear uSage chart — 7. Please check for proper fit. Here is the chart with Ford part numbers: Manual Transmissions: 16-teeth-wine 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! May 8, 2022 · New here, not a mustang but parts coming from a mustang. The gears are color coded. Speedometer gear uSage chart — 7. . xezi, knl, zb8a7, i94a, xq, zakcao, o2h6, vzl, pdr6, mjf9,