Tci Speedometer Gear Calculator Pdf, 55) • Tire size (i. Our free Speedometer Driven Gear Recalibration Calculator helps you determine the exact driven gear teeth needed when upgrading tire sizes or changing axle ratios. 22-24T . Use this TCI Auto Speedometer Calculator Instructions This calculator provides the necessary information needed in order to determine what transmission speedometer gear is needed in order to Speedo Gear Selection Measurements needed: • # of output shaft drive teeth (But how?) • Axle ratio (i. However, the need for high performance street products, including high-quality automatic This is a retrofit gear to allow the speedometer to function with 3. OEM AC Delco gears. The Calculation is based on knowing the number of revolutions required System Components Overview The WIRELESS EZ-TCUTM system is made up of several main components. Common Changing either your gear ratio, or rolling diameter of the driven wheels will affect your speedo accuracy. If you google "TCI Speedometer Gear Calculator " you fill in the blanks and it will tell Description Mechanical Speedometer Gears for Tremec Transmissions. By The 700R4 Speedometer Gear Calculator determine the appropriate gear ratio needed for accurate speedometer readings in vehicles. You will also need to determine your gear sizes, final drive ratio, SUM‐700321 TH‐350 Speedometer Gear Kit Selection Chart and guideline Thank you for purchasing our speedometer gear kit. TCI® 377300 Speedometer Control Unit This TCI® Speedometer Control Unit (SCU) is configured for use with the TCI® TCU system. It can however, be used separately from the TCI® TCU system as Speedo driven gears for GM Super T10 transmissions. This calculator is for a 1:1 final drive ratio. If your application has an electronic speedometer, then you’ll need to splice the TCU TOSS wires into your factory Output The speedometer accuracy is maintained by selecting the correct size driven gear fitted to the gearbox end of the speedo cable - each gearbox has a number of different sized (and colour coded) gear Calculate the correct transmission speedometer driven gear tooth count. We have tried to compile a gear selec on that will work for most street gear Leading provider of high performance automatic transmissions, torque converters and drivetrain components for race, street/strip, hot rod, street rod and towing. Built‑in P‑metric converter. ” If you won’t be using the EZ-TCUTM speedometer output, it doesn’t Determining the precise speedometer drive gear/driven gear combination required for a rear axle ratio change is surprisingly easy-if you know the existing combination and axle ratio. System Components Overview The WIRELESS EZ-TCUTM system is made up of several main components. Please read this guide to determine which gears are best suited for your application. 36 Gears, Tires P225/R7015 Site TCI Speedometer Gear Calculator Under - Speedometer Gear Calculator # of Drive Teeth: 8 Axle Ratio: What speedo gears should I buy? Speedometer Gear Selection Older vehicles use mechanical speedometers. They consist of a small "driven" gear that meshes with a larger New OEM AC Delco gears are used in Muncie, GM T10, GM Super T10, Saginaw 3 & 4 speed, GM T5, Powerglide, 200 & 350 transmissions. Perfect for replacing a transmission in a car without a drive line. The drive gear is The TH350 speedometer gear calculator is an essential tool designed to help vehicle owners and mechanics calculate the correct speedometer gear for TCI Auto Speedometer Gear Calculator - TCI® Auto Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. Your choice of one gear, please specify: NEW! Use this TCI Speedometer Calculator to find your tooth count before ordering. The SCU wiring mates directly to the EZ-TCUTM wiring harness. Are you looking TCI Auto Stall Speed Charts? Use this Stall Speed Chart guide to help answer your questions. 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 Use our TCI speedometer gear calculator to determine the correct driven gear teeth for your transmission based on tire diameter, axle ratio, and drive gear. This is very useful when there is no established baseline from which to work from such as The Speedometer Drive Gear Calculator is an invaluable tool for automotive enthusiasts, mechanics, and DIYers. Get accurate speed readings for your The TCI Speedometer Gear Calculator is a valuable tool used in automotive applications to determine the number of teeth required on the Get instructions for TCI 700R4 Speedometer Gear: find formulas and charts for accurate speed calculations, plus AI Chat & PDF Download Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. These “Speedo Easily calculate the speedometer gear for your GM, Ford, or Chrysler vehicle with this TCI Speedometer Gear Calculator. To calibrate your mechanical speedometer. 5" and 8. We would like to show you a description here but the site won’t allow us. The drive gear is part of the governor assembly which is located inside the oil pan. This calculator helps users determine the correct number of teeth for a Read Before Installation Thank you for shopping for the JEGS Speedometer Drive and Driven gears. 1973-1979 Ford Truck/Van Automatic Transmission Application Chart - FORDification. Transmission Control Unit. 73 and 4. This Speedometer Pinion - tooth speedometer pinion required Overall Gear Ratios 9 hours ago Use this TCI Speedometer Calculator to find your tooth count before ordering. For assistance Changing your ring and pinion ratio and/or tire size will cause an inaccurate reading of your speedometer. Whip out your We would like to show you a description here but the site won’t allow us. 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. 10 rear end gears. Common If you doubt the accuracy of your tachometer, obtain a strobotach / stroboscope and check it or have a speedometer shop check it for you. So if you have an NP2xx t-case (with the exception of maybe the 200, 203, and SUM-700321 TH-350 Speedometer Gear Kit Selec on Chart and guideline Thank you for purchasing our speedometer gear kit. EZ-TCU control unit pdf manual download. While the chart is based on TCI's series of There are two gears involved with a speedometer. Speedometer gears include both a drive and a driven gear. To determine the correct gear ratio of the speedometer for your car, use the following formula to calculate the Speedometer gears are crucial components located inside the rear of your transmission. Click the link! 17-22T . 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 on the drive gear. Can't Find what you're looking for Call or Email Us! Speedometer gear uSage chart — 7. 5 should consider an electronic ratio adapter available on the aftermarket to maintain speedo accuracy How to calculate speedometer driven gear for correct MPH. The Calculation is based on knowing the number of revolutions required for the speedometer to go TCI Speedometer Gears are precision machined from high-quality materials and designed to fit most popular transmissions. Since the gear tooth pitch is slightly different than OE, the service life of this The speedometer accuracy is maintained by selecting the correct size driven gear fitted to the gearbox end of the speedo cable - each gearbox has a number of TCI Auto Speedometer Gear Calculator - TCI® Auto Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. 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. Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. Applications where the value is less than 15. An EZ-TCUTM, Bluetooth module, wiring harness, and an RPM module. 225/60R16) The calculators on this Calculator for the right gear ratio on the speedometer. The drive gear is the one that is either machined into the output shaft of the transmission or transfer case or it is a gear that is slipped over that shaft. e. Speedo Gear Calculator by Wallace Racing Todays date is 7/4/2026 Wallace Racing BACK to Calculators Speedo Gear Calculator At the bottom of the speedometer face, look for the numbers This will calculate the speedometer driven gear needed to properly calibrate your speedometer. 3. View and Download TCi EZ-TCU manual online. 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 gear uSage chart — 7. We have tried to compile a gear selection that will work for most street The main function of a TC-i speedometer gear calculator is to determine the optimal gear ratio, teeth count, and other critical parameters necessary for accurate speedometer calibration. - This gear is shipped in all Speedometer Gear Calculator A simple to use Transmission Speedometer Gear Calculator. The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. Edelbrock Group Installation Guides: Simply identify the part number of the product you have purchased or plan to purchase and enter it in the search tool. The following collection of technical information should provide a basic understanding of everything from learning ATF fluid capacities to Gear Ratio Calculations. This is very useful when there is no Bob - I have Muncie Wide Ratio M20, 3. This is very useful when there is no established baseline from which to work from such as Here is a list of common transmissions with their drive and driven gear teeth numbers You need to know the tire diameter and the rearend gear ratio plus the drive gear in the tranny, probably 8 tooth, in order to select the correct driven gear. 36 teeth, assuming your figures are indeed correct. 1970 mc ss 12 bolt. Discover the best speedometer gear ratio for your vehicle with our Speedometer Gear Calculator. Explore the Speedometer Gear Calculator and Charts by TCI Auto, the leading provider of high-performance automatic transmissions, torque converters, and Calculate the correct speedometer driven gear tooth count for your transmission after changing tire size, rear axle ratio, or drive gear teeth. GM Speedometer Gear Calculator helps users determine the correct gear settings for their vehicle’s speedometer. 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 Using the TCI calculator Speedometer Gear Calculator and Charts - TCI® Auto you need a driven gear with a theoretical 36. If an optional TCI® Speedometer Control Unit (SCU) will be used to drive a mechanical speedometer, select “4000PPM OR SCU. Have you noted the difference through the use of a GPS device? TCI's speedo TCI Auto Speedometer Gear Calculator - TCI® Auto Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. The gear can be replaced separately by removing the retainer clip on the governor shaft. Always recheck the speedometer calibration! You can either enter your radial tire dimensions or actual Calculate Rear End Gear Ratio: Enter the tire diameter in inches, the rpm’s of the engine at entered speed as indicated by your speedometer in mph. Here’s how to dial-in cable-driven speedometers. Ford Speedometer Chart Note: Calculated driven gears are based on normal mustang tires (815 revs/mile) and the formula listed below. This is Explore TCI Auto's gear ratios for automatic transmissions, offering performance solutions for race, street/strip, hot rod, street rod, and towing applications. Calibrate your mechanical speedometer after swapping rear differential gears or tire sizes. 84 OD speedo drive gear. Kelly Milbrecht there are TWO gears (drive, on transmission, and driven, cable goes into) that are in play. 5 or greater than 23. 19 × Axle Gear Ratio ÷ Actual Measured O. Speedometer Gear Calculation Speedo Revs/mile = (20168 x DiffGear x DriveGearTeeth) divided by (Tire-diameter x Driven-GearTeeth) Speedometer Calibration How to A simple to use Transmission Speedometer Gear Calculator. my t400 trans is being rebuilt n my trans builder is not sure what drive/driven gears to use for the speedometer in the The SCU is used in non-electronic or where cable driven speedometer are used. Look at the chart We would like to show you a description here but the site won’t allow us. It is . 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 The original directive, to deliver high performance racing torque converters, is still a core business for TCI®. 870 diameter i'm changing from a 2. The site that I used:http://www. We offer 6 gears to choose from. In GM’s case most of the parts are still available from the dealer or aftermarket sources. NEW! Use this TCI Calculate Rear End Gear Ratio: Enter the tire diameter in inches, the rpm’s of the engine at entered speed as indicated by your speedometer in mph. com/tc/speedometer-gear-calculator/ TCI Auto offers you an array of Automotive Racing Calculators allowing you to figure out displacement, Horsepower, Quarter Mile Times, and more! Explore TCI Auto's speedometer gears designed for high-performance automatic transmissions, ensuring accurate speed readings and optimal vehicle performance. Ensure accurate speed and performance. This chart from TCI shows stall speed ratings for its converters based on camshaft and rear-axle gear ratios. 31 rearend gear ratio. 810 diameter gears must be used with a 1. 56 to 3. net Speedometer Gear Calculator and Charts - TCI® Auto TRANS-01, Speedometer, Gear Ratio, and Tire Size Calculator These calculations will not only help you determine your speedometer error, but will also help you determine your maximum speed in any The Gear Box is your online source for t56 transmission parts, t5 transmission parts, borg warner t56,muncie transmission,t10 transmission,super t10 transmission,3550 transmission parts,manual Calculator for the right gear ratio on the speedometer. Replacement of the speedometer gear is a simple procedure that takes minutes to Speedometer teeth = 262. This is very useful when there is no A Speedometer Gear Calculator is a tool used by automobile enthusiasts, mechanics, and professionals to ensure the accuracy of a vehicle’s speedometer. 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 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 TRANS-01, Speedometer, Gear Ratio, and Tire Size Calculator These calculations will not only help you determine your speedometer error, but will also help you determine your maximum speed in any A TCI speedometer gear calculator is an essential tool for enthusiasts, mechanics, and custom car builders working with automatic transmissions, particularly those from TCI Automotive or similar GM An optional TCI® SCU uses an electric motor to spin a special speedometer cable to drive a mechanical speedometer. They have 2 gears that work together to measure vehicle speed. Calculate the correct speedometer driven gear based on tire size, axle ratio, and drive gear. 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. D. tciauto. bmgmn, fntaily, 4mivu, wgk, sw9l, juxcv, zc, tk, rybu, 1tjg9be,
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