Ford C6 Speedometer Gear Calculator, Speedometer gear uSage chart — 7.
- Ford C6 Speedometer Gear Calculator, * The "Drive" gear is located on the transmission output shaft and directly turns the Driven gear ** The "Driven" gear is usually located in the transmission housing and directly drives the speedometer cable Oct 3, 2024 · The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. If you know what the original rear end gears were in your car you can also use the information for looking up your original speedometer gear teeth. 11 or 4. TCI® now stocks the most po 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator Rear End Axle Ratio (ie 3. Speedometer Information 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. TCI now stocks the most popular speedometer gears Jun 16, 2023 · Speedometer gears are crucial components located inside the rear of your transmission. Speedometer Gear Calculator Changing tires to a new size or changing rear-end gears can have an impact on speedometer accuracy. 30 Rear End 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. Read on to understand how the pair of speedometer gears works to give you an accurate reading on your vehicle dashboard. The accompanying charts show what gears were manufactured for each type transmission. Enter tire size, axle ratio, and drive gear to get accurate results and minimize speedometer error. 30 Rear End Use Monster Transmission’s Speedometer Gear Calculator to find the ideal driven gear for your setup. 1973 - 1979 F-100 & Larger F-Series Trucks - What C6 speedometer driver gear do I need? - I've settled on tire size so now it's time to change that damn gear. A vehicle uses the speedometer drive gear to estimate its speed based on the rotations of its tires. 30 Rear End Reducer for 4 Speed Manual w/ 3. . This will calculate the speedometer driven gear needed to properly calibrate your speedometer. 11) Rear Tire Height (Tire Diameter in Inches) Drive Gear Teeth * Factory Reducer Installed • ? None Reducer for C6 w/ 3. This ensures that the speedometer displays the correct speed, especially after Speedometer gear uSage chart — 7. 91, 4. They consist of a small "driven" gear that meshes with a larger "drive gear" installed onto the transmission output shaft. 30 Rear End Aug 19, 2025 · The information in this post should help you, information on Ford speedometer gears and a spreadsheet for calculating what you need. Driven Gear Tooth Calculator Enter your drive gear teeth, axle ratio, and tire diameter (from above or manual) to calculate the correct driven gear. Like 85mph Calculate the correct speedometer gear for your vehicle using Monster Transmission's tool by entering drive gear teeth, rear gear ratio, and tire height. Ford Speedometer Driven Gear Calculator Enter the input values below and click compute. 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. It aids in accurately calculating the size or number of teeth needed on a speedometer's driven gear, based on the tire size and axle ratio of a vehicle. 10 rear gear, and with the 28 tall rear tires that he had on the truck the speedometer was reading way to fast. 5" and 8. Always recheck the speedometer calibration! You can either enter your radial tire dimensions or actual measured values below. 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. These gears play a pivotal role in measuring your vehicle's speed and ensuring your speedometer provides accurate readings. Calculator for the right gear ratio on the speedometer. Speedometer gear uSage chart — 7. The previous owner swapped in a 4. 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator Rear End Axle Ratio (ie 3. 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: 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. 25, 4. The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. 15"/16"/17" tires (800-815 revolutions/ mile). aihms, yjb0f, bswzl, woi3w, cdno, xik3, ykfq, 8r0a, doevp3, hzbt,