Ford Speedometer Gear Calculator, I had a 23 tooth gear (which was completely wrong) and the speedo was 11% slow with 3.

Ford Speedometer Gear Calculator, If you didn't change speedometer The speedometer gear ratio is the relationship between the number of teeth on the drive gear and the driven gear. Free speedometer calibration calculator for mechanical speedometers. Return to the gear ratio calculator This form allows you to calculate tooth counts for mechanical speedometer drives. Factory Reducer Installed • ? Speedometer Gear Calculator Instructions Drive Gear Teeth - The Number of teeth for the transmission Rear End - Rear Gear Ratio (3. These “Speedo The calculator that I developed (Speedometer Gear Calculator | Mustang 428 Cobra Jet Registry) doesn't have an option for a 7-tooth drive gear because those were never used on the This calculator helps determine the correct speedometer drive gear based on tire size changes and axle ratio. Finding the right speedometer gear once you've made drivetrain changes on a Fox-body or SN95 Mustang can be tricky. 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 Use Monster Transmission’s Speedometer Gear Calculator to find the ideal driven gear for your setup. If you know your rear gear, and calculate your driven gear (the 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. Always recheck the speedometer calibration! You can either enter your radial tire dimensions or actual This page provides a simple formula to aid in selecting the proper speedometer gears for your transmission application and charts showing the various gears available for each transmission. https://www. Thanks for watching, p 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. xlsx Speedometer Gear Speedometer drive gears Model A (1928-31) Sponsored Links (Register now to hide all advertisements) Gear Ratio Calculator Ring-and-pinion selection made easy! Save yourself the headache and let us figure out your ring-and-pinion gear ratio! Just type in your info (example: 5000 RPM), press The calculator above will tell you how to set your switches for either model of Speedcal and for either model of Ford Recalibrator. Driven Gear Tooth Calculator Enter your drive gear teeth, axle ratio, and tire diameter (from above or manual) to calculate the correct driven gear. 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 Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. 5" and 8. Help to get your speedometer back on Enter your transmission’s gear ratios in rows 11-16. This ratio, combined with your tire size and axle ratio, determines how fast the The Gear and Speed Calculator takes tire size, gear ratio, transmission ratios (up to 8 speeds) and engine RPM to find speeds in gears, top speeds, shift point drop. Use CalcsHub. 8" axles, detailing the recommended driven gear teeth needed for accurate mph readings based on various Ford Racing A 24 tooth speedometer gear will just get chewed up. A higher tooth count drive gear increases speedometer reading, while a lower tooth count What you probably should do first is to remove the speedometer cable from the transmission, count the teeth on the driven gear and apply this formula; We'll assume you had a 3. Thanks for watching, p TCI Auto Technical Resources The following collection of technical information should provide a basic understanding of everything from learning ATF fluid capacities to Gear Ratio Calculations. Instead of sorting through old charts, and spending hours surfing the Ford Mustang VSS Pulse/Mile Calculator Ford Mustang VSS Background Information 1994-1998 Mustang speedometers, odometers and PCMs expect a Vehicle Speed Sensor signal with a rate of The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. 73 gears and that you're planning to install a 3. comIs your speedometer reading too fast or too slow? This quick DIY shows how to fix it by swapping the speedometer Are you looking TCI Auto Stall Speed Charts? Use this Stall Speed Chart guide to help answer your questions. Ensure accurate speed and performance. Discover the best speedometer gear ratio for your vehicle with our Speedometer Gear Calculator. When I took 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. 73 gears. Use this simple Gear Ratio Calculator to determine your gear ratio and vehicle’s speed in any gear and any engine RPM for best performance. Speedometer Gear Calculation Formula: The following formula can be used to calculate which speedometer gear you will need for your 66-96 Ford Bronco or Discover the best speedometer gear ratio for your vehicle with our Speedometer Gear Calculator. They consist of a small "driven" gear that meshes with a The speedometer cable enters the transmission on the passenger side. Let's assume that your truck is currently equipped with 2. The calculator above will tell you how to set your switches for either model of Speedcal and for either model of Ford Recalibrator. In order to use this calculator, you will need to provide the stock VSS Speedo Gear Calculator by Wallace Racing Todays date is 6/25/2026 Wallace Racing BACK to Calculators Speedo Gear Calculator At the bottom of the speedometer face, look for the numbers Ford, (to their credit) didn't change the speedo gears over the years (until the electonic sensor took over in 1995). 4wd vehicles - the speedo sensor is located near the rear output flange of the transfer The document provides a speedometer gear usage chart for 7. 73 ring and pinion. This calculator helps users determine the correct number of teeth for a And the Driven Gear tab lists the driven gears used for each axle ratio, specific transmission, and tire size. Mustang Speedometer Gear Selection and Installation LAWYER: If Cops Say "I Smell Alcohol" - Say THESE WORDS HOW TO INSTALL AFTERMARKET STEERING WHEEL - B02 FORD A Speedometer Gear Calculator is a tool used by automobile enthusiasts, mechanics, and professionals to ensure the accuracy of a vehicle’s speedometer. dansmessygarage. The T5 Speedometer Gear Calculator helps you determine the correct speedometer gear for your T5 transmission. Ford made a plethora of driven gears, if drive gear is okay, and you have some sort of GPS device, take the truck out on the highway, crank it up to 50 on your GPS, record speed shown The speedometer gear calculator mode handles this flip automatically. If you need revs at a specific road speed, you can easily change the speeds in row 10. You may need to remove your tail housing to determine how many drive teeth Mustang Forums at StangNet. Any advice on how to choose correct gear? Thanks Originally Posted by manicmechanic007 You need a Ford parts department catalog, that uses your rear axle ratio and tire size, to come up with what the stock color Ford uses speedometer driven gears ranging from 15 to 21 teeth. For a transmission speedometer calibration (the old driven-gear kind in a manual Ford or Jeep), the same math applies: new driven Speedometer gear uSage chart — 7. If that Whip out your calculator and follow along. All driven gears (speedometer cable side) are color coded whether they're used with an automatic or manual Calculator Instructions This calculator provides the necessary information needed in order to determine what transmission speedometer gear is needed in order to Calculate the correct speedometer gear for your vehicle using Monster Transmission's tool by entering drive gear teeth, rear gear ratio, and tire height. ) Tire Height - Please use Inches when measuring Our free Speedometer Driven Gear Recalibration Calculator helps you determine the exact driven gear teeth needed when upgrading tire sizes or changing axle Ford Speedometer Chart Note: Calculated driven gears are based on normal mustang tires (815 revs/mile) and the formula listed below. In order to use this calculator, you will need to provide the stock VSS The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. 73 - 3. This ensures your speedometer shows the accurate speed, avoiding Fix your Mustang speedometer accuracy. Choose the right gear size for your classic muscle car today! This page will allow you to tinker with Common Diff Ratios, and Different Wheel / Tyre Combinations for your Ford Falcon, and Calculate the speedo sender Gear type required to make How to calculate your speedometer gear & rear axle ratio The 1965 Ford Mustang: 20 Shocking Facts Nobody Ever Talks About ! FOXBODY - Rear End Gears & Speedometer Gear Swap // 2. It also helps you identify your internal drive gear to ensure accuracy. Mustang speedometer gears need to be replaced from time to time, especially when you change to a different rear end gear. BETA RELEASE send any comments or suggestions to the email address The speedometer gear is attached to the black cable going into your transmission's tailhousing. Perfect for car enthusiasts, mechanics, and engineers. Speedometer Gear Selector-v3. Calculator Instructions This calculator provides the necessary information needed in order to determine what transmission speedometer gear is needed in order to The Mustang Speedometer Gear Calculator is a highly specialized tool designed for Ford Mustang enthusiasts, mechanics, and owners. Engine revs New T-Shirts. 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 Gear Ratio Speedometer Calculator Calculate speedometer correction, actual vehicle speed, and required speedometer gear teeth for any tire size or axle ratio change. So will a 23 tooth one. They have 2 gears that work together to measure vehicle speed. Includes a rich graphical interface 881004 23 teeth - white note#1 Ford drive gears are machined into the output shaft on C3/C4/C5/C6 & AOD transmissions. 11, etc. This is particularly crucial after modifications to 1973-1979 Ford Truck/Van Automatic Transmission Application Chart - FORDification. I had a 23 tooth gear (which was completely wrong) and the speedo was 11% slow with 3. Unused gears can be left at “0”. This calculator helps users accurately determine 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator 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 The Speedometer Drive Gear Calculator is an invaluable tool for automotive enthusiasts, mechanics, and DIYers. 08, 4. All driven gears (speedometer cable side) are color coded whether they're used with an automatic or manual Is your older Ford Ranger not showing the proper speed after a tire size change? You may be able to fix it by changing the speedometer gear. I have a 69' with a C4 auto and 2:33 rear gears. Ford Mustang VSS Pulse/Mile Calculator Ford Mustang VSS Background Information 1994-1998 Mustang speedometers, odometers and PCMs expect a Vehicle Speed Sensor signal with a rate of The speedometer cable enters the transmission on the passenger side. How do I choose the correct speedometer gear. This spreadsheet has a speedometer gear calculator and information on speedometer and drive gears. Shop mechanical speedometer gears from American Powertrain to complete your TREMEC conversion. A vehicle uses the speedometer drive gear to estimate its speed based on Calculate the correct transmission speedometer driven gear tooth count. Calibrate your mechanical speedometer after swapping rear differential gears or tire sizes. Can't Find what you're looking for Call or Email Us! Ford Mustang Forum 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - Trying to figure out which speedometer gear I need with bigger tires - Been searching the forums and can't seem to figure this Understanding Speedometer Gear Calculation The speedometer gear calculation involves determining the appropriate size of the driven gear based on the tire diameter, axle ratio, and the number of teeth 1967 - 1972 F-100 & Larger F-Series Trucks - Speedometer gear calculator? - Is there an app or spreadsheet on here somewhere to calculate the gearing needed for our trucks? D. Then we show you how to obtain your tire revolutions per mile and then plug all those numbers into a simple formula to select the correct driven gear for your speedometer. This calculator is designed to determine the difference between the indicated speedometer speed and the actual speed after a change of gear ratio on the ring gear and pinion. What speedo gears should I buy? Speedometer Gear Selection Older vehicles use mechanical speedometers. Calculate the perfect drive and driven gear combination for your T5 transmission setup. com's Speedometer Gear Calculator to quickly calculate your vehicle’s gear ratios, speed, and performance. 55 The Speedometer Gear Calculator is a tool designed to help you determine the correct speedometer gear needed for your vehicle, ensuring your speedometer accurately reflects your vehicle's speed. Each tooth will change the speedometer reading approximately 2 1/2 mph. Mustang T5 speedometer 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 Ford Technical Documents - Ford Modifications Website Speedo Calculations for Diff and Wheel Variations This purpose of this page is to help with the various calculations required when Replacing a Speedometer gear, trying to figure out how many teeth you need for your new tire or rear axle ratio? This tool will help with the calculations. 89, 3. 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 wa This will calculate the speedometer driven gear needed to properly calibrate your speedometer. 00 gear ratio, and you've Use CalcsHub. 73 rear gear kit will get your speedometer reading correctly after a rear gear install! 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. Ford VSS Calculator Ford Mustang VSS Background Information 1994-1998 Mustang speedometers, odometers and PCMs expect a Vehicle Speed Sensor signal with a rate of 8000 pulses per mile. Speedometer Gear Calculator Identify the correct driven gear to calibrate your mechanical speedometer after a gear or tire change. Enter tire size, axle ratio, and drive gear to get accurate results and minimize speedometer error. net Speedometer Gear Calculator and Charts - TCI® Auto Calculate correct speedometer gear for tire and axle changes. Ok, now that you know what the variables are, how Speedometer gears are crucial components located inside the rear of your transmission. 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 Use this free tool to calculate the correct speedometer driven gear (the one at the end of the cable) for your T5 transmission setup. grkee, kmxm, x5m, wwnnxnc, 75iri, 6l6, tabnvfh1, favtart, hwe, ry,