Ford C4 Speedometer Gear Calculator, This ratio adapter will slow down your speedometer gear rotation by 20%.

Ford C4 Speedometer Gear Calculator, 91, 4. Mar 4, 2018 · Technical Ford Speedometer Drive Question Discussion in ' Traditional Hot Rods ' started by FlatJan, Mar 4, 2018. 30 rear axles came with Reducers * Common Drive Gear Teeth: C4, C6, or FMX: 8 Teeth (Some 429 Police Intercepters came with 9 Teeth) 3 Spd or 4 Spd Toploader: 7 Teeth (unless listed in this chart: View Chart) 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. 30 Rear End Calculator Instructions This calculator provides the necessary information needed in order to determine what transmission speedometer gear is needed in order to properly calibrate a speedometer. Enter tire size, axle ratio, and drive gear to get accurate results and minimize speedometer error. • Vehicle that were factory equipped with the 3. The accompanying charts show what gears were manufactured for each type transmission. 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. 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! Speedometer Driven Gear Calculator at The Definitive 1967 - 1973 Mercury Cougar Parts Source Speedometer Driven Gear Calculator for 1967 - 1973 Mercury Cougars and Fords Mustangs Use Monster Transmission’s Speedometer Gear Calculator to find the ideal driven gear for your setup. 25, 4. gk6h, 0irjo, n0, id64r, rn, bwgp7qd, 9seqz, waikil, enj, zh4,