Ford Speedometer Gear Calculator, The speedometers in 1965-19.
Ford Speedometer Gear Calculator, 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator Rear End Axle Ratio (ie 3. 30 Rear End Reducer for 4 Speed Manual w/ 3. Speedometer Gear Calculator Enter your tire size Tire diameter may vary slightly depending on the manufacturer. Thanks for watching, please subscribe! Speedometer gear uSage chart — 7. The form on this page allows you to describe your tire size (modern radials only), wheel diameter, rear end ratio, and transmission type to calculate the combination of drive and driven gears that will give you the smallest margin of error, thus providing the most accurate speedometer. TCI® now stocks the most po 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. 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. Calculate the perfect drive and driven gear combination for your T5 transmission setup. 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator Speedometer Gears Formula for Calculating Speedometer Gears 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. The accompanying charts show what gears were manufactured for each type transmission. Jan 24, 2023 · In this video I show you how to calibrate Ford gear driven speedometers by determining which new gear is needed and how to replace it. 11) Rear Tire Height (Tire Diameter in Inches) Drive Gear Teeth * Factory Reducer Installed • ? None Reducer for C6 w/ 3. 91, 4. 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. Pulled the driven gear off the cable tonight and it has 17 teeth. Jul 24, 2013 · If you're looking to correct the speedometer on your Mustang, CJ Pony Parts has created a tutorial video to help you get started. Works with TH350, TH400, 700R4, 200-4R, Ford, and Torqueflite applications. This will calculate the speedometer driven gear needed to properly calibrate your speedometer. If in doubt use manufactures posted diameter. Calculator for the right gear ratio on the speedometer. 5" and 8. 25, 4. 15"/16"/17" tires (800-815 revolutions/ mile). Apr 7, 2021 · My wifes 67 fastbacks speedo has always been off, I would say 10-12 miles per hour slow. Enter tire size, axle ratio, and drive gear to get accurate results and minimize speedometer error. I've tried 4 or 5 different gear calculators and they all say it should be a 17 Dec 9, 2025 · Next up, Jimmy Wright, better known as JK, shows step-by-step how to remove and reinstall the speedo gear housing, plus some tips to make the job quick and frustration-free. 11 or 4. Always recheck the speedometer calibration! You can either enter your radial tire dimensions or actual measured values below. The speedometers in 1965-19 Mar 26, 2021 · Hello Family In today’s video we show you how to locate and use a Speedometer calculator to determine what’s the best gear to use on your DIY Projects. 30 Rear End Ford Speedometer Driven Gear Calculator Enter the input values below and click compute. To determine the correct gear ratio of the speedometer for your car, use the following formula to calculate the number of teeth on the driven gear (round to the nearest available gear): Use the following formula to calculate "tire revolutions per mile" for the formula above: Fix your Mustang speedometer accuracy. 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. 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. This method is purely calculations-based and you should always check your manufacturers specifications. 79 rear, 215/65r15 tires. C4, so assuming 8 drive teeth, 2. wpt, wqiwgw, ge, zphs, lf5, 1tgow, hegyj, f8yrf, w4xu, fwfrpv,