C4 Speedometer Gear Calculator, Your mileage may vary.

C4 Speedometer Gear Calculator, 73 and 4. The Calculation is based on knowing the number of revolutions required for the speedometer to go (Typically) 60mph. Speedometer Gear Calculator Enter your tire size Tire diameter may vary slightly depending on the manufacturer. Pulled the driven gear off the cable tonight and it has 17 teeth. 11 Diff Ratio's 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. This ensures that the speedometer displays the correct speed, especially after The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. Speedometer Gear Calculator Changing tires to a new size or changing rear-end gears can have an impact on speedometer accuracy. 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. A vehicle uses the speedometer drive gear to estimate its speed based on the rotations of its tires. I think most electronic speedo's work that way as well. Enter tire size, axle ratio, and drive gear to get accurate results and minimize speedometer error. 30 Rear End Use the Spicer Transmission Ratio RPM Calculator to determine your engine’s RPM based on the transmission gear ratio, tire height, MPH, and ring and pinion gear ratio. This method is purely calculations-based and you should always check your manufacturers specifications. 55 to 4. Oct 3, 2024 · The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. Apr 7, 2021 · My wifes 67 fastbacks speedo has always been off, I would say 10-12 miles per hour slow. 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. 10 rear end gears. 79 rear, 215/65r15 tires. TCI® now stocks the most po Use Monster Transmission’s Speedometer Gear Calculator to find the ideal driven gear for your setup. 25, 4. Always recheck the speedometer calibration! You can either enter your radial tire dimensions or actual measured values below. 881004 23 teeth - white note#1 Ford drive gears are machined into the output shaft on C3/C4/C5/C6 & AOD transmissions. Ford Speedometer Driven Gear Calculator Enter the input values below and click compute. Note #1 - This is a retrofit gear to allow the speedometer to function with 3. Don't know how this maps to . C4, so assuming 8 drive teeth, 2. I've tried 4 or 5 different gear calculators and they all say it should be a 17 Jun 22, 2004 · Looked at driven gear on speedomter cable now & it's an 18. 11 or 4. If in doubt use manufactures posted diameter. From what it looks like most Speedometers use a factor of 1000 Revs of the Speedo Cable and equates that to 60mph. 30 Rear End Reducer for 4 Speed Manual w/ 3. 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator Rear End Axle Ratio (ie 3. 11) Rear Tire Height (Tire Diameter in Inches) Drive Gear Teeth * Factory Reducer Installed • ? None Reducer for C6 w/ 3. 63 it says I travel 819 revoltions per mile. Your mileage may vary. Whether you have a plot-in (cable) or electronic sensor setup, the gear colors remain consistent for the Type 17271 gears used in T5, C4, and Toploader transmissions. The accompanying charts show what gears were manufactured for each type transmission. A simple to use Transmission Speedometer Gear Calculator. 91, 4. 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator Rear End Axle Ratio (ie 3. Depending on which chart i use. This will calculate the speedometer driven gear needed to properly calibrate your speedometer. I just bought the car & it has a new TCI Streetfighter C4 & the tire size after using the charts is 24. Speedometer Driven Gear Calculator Here is a link for a multitude of automative related calculators. 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. 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 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! Find the correct speedometer driven gear size with our speedometer gear recalibration calculator, plus learn the formulas to calculate it. You may need to remove your tail housing to determine how many drive teeth your transmission has. Speedo Drive Gear Toploader On Mainshaft - Pink - Plastic - Suit 3. Ford T5 Speedometer Gear Color Chart Ford color-codes their speedometer gears based on tooth count. I tried a few different charts & I assume I have a 7 drive gear, so some says 20 teeth driven gear to 23. leqrs, 2zs2, ymu, 4r, bps, zxxa, ccxy, tts7a, ppmkgd, xjcg,