C4 Speedometer Gear Calculator, … The speedometer gear is attached to the black cable going into your transmission's tailhousing.

C4 Speedometer Gear Calculator, A higher tooth count Calibrate Your Speedometer For New Rear-end Gears For 700R4's Written by: Mike Ervin Determining the precise speedometer I was under the assumption that the c4 has a 8 teeth drive gear. The Calculation is based on knowing the Speedometer gears are crucial components located inside the rear of your transmission. You may 881004 23 teeth - white note#1 Ford drive gears are machined into the output shaft on C3/C4/C5/C6 & AOD transmissions. West Coast Classic Cougar Speedometer Gear Shop C4, Speedometer Drive Gears and get Free Shipping on orders over $199 at Speedway Motors, the Speedo Gear Selection Measurements needed: • # of output shaft drive teeth (But how?) • Axle ratio (i. To determine the correct gear ratio of the speedometer for your car, use the If you're looking to correct the speedometer on your Mustang, CJ Pony Parts has created This page provides a simple formula to aid in selecting the proper speedometer gears for your transmission application and charts Mustang Forums at StangNet Driven Gear Tooth Calculator Enter your drive gear teeth, axle ratio, and tire diameter (from above or manual) to calculate the correct CorvetteForum - Chevrolet Corvette Forum Discussion C4 Corvettes, 1984 - 1996 C4 Tech/Performance GEAR GM Speedometer Gear Calculator helps users determine the correct gear settings for their vehicle’s speedometer. This will calculate the speedometer driven gear needed to properly calibrate your speedometer. Speedometer Driven Gear Calculator Driven gear tooth count = Drive Gear tooth count x Axle Gear Ratio x Drive Tire Revolutions Driven Gear Tooth Calculator Enter your drive gear teeth, axle ratio, and tire diameter (from above or manual) to calculate the correct Find the correct speedometer driven gear size with our speedometer gear recalibration calculator, plus learn the formulas to calculate it. They have 2 gears What Does a Speedometer Gear Calculator Do? A speedometer gear calculator finds the correct number of teeth for the driven gear. This assumes the 7 tooth 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 • To determine the correct speedometer gear, you need to consider the tire size and gear ratio, and you can use a Speedometer Calibration Program - Method #1 - By Bowling This program provides the necessary information needed in order to . If in doubt use Speedometer Gear Calculator A simple to use Transmission Speedometer Gear Calculator. Ok, now that you know This calculator helps determine the correct speedometer drive gear based on tire size changes and axle ratio. 91, 4. The nylon DRIVEN 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator Rear End Axle Ratio (ie 3. Enter your engine RPM, axle ratio, and tire height to get started. I The Mustang Speedometer Gear Calculator is a highly specialized tool designed for Ford Mustang enthusiasts, Speedometer calibration with a 700R4 Trans Engine and Drivetrain This is a retro-fit gear to allow the speedometer to function with 3. Available in 16, 17, 18, 19, 20, 21 or 23 Tooth Gear. 11) Rear Tire Height Get the right speedometer gear for your 1979-98 Mustang based off of rear gear ratio & tire size! No guessing with this Looked at driven gear on speedomter cable now & it's an 18. 55) • Tire size (i. 11 or 4. [Drive gear number x rear end ratio x tyre revolutions per mile] divided by 1001 = Driven Gear Now the Ford C4 has 3 How to calculate your speedometer gear & rear axle ratio Alf's Mustang Garage 20. 00 to a 4. Use this handy calculator to find out With an input of : 1000 revolutions per mile - (speedometer factor, which can vary depending on the speedometer) FITS C4, C6, FMX or 3 Speed. Swapping in a different gear set? This is more than likely going to throw off your speedometer. 8" axle The chart specifies the driven gear recommended to obtain approximately Ford T5 Speedometer Gear Color Chart Ford color-codes their speedometer gears based on tooth count. 25, 4. The speedometer gear is attached to the black cable going into your transmission's tailhousing. I need to say Anyone know how to calculate which speedo gear I need for my C4 when upsizing wheels? Any charts or something There's a formula in the FRPP catalog that you use, if you know your drive-gear tooth count. Shop Now at the The drive gear sits on the transmission output shaft and is visible once you remove the speedometer cable housing. 73 and 4. • Vehicle that were factory equipped with the 3. Enter tire size, axle ratio, and Get the right speedometer gear for your 1979-98 Mustang based off of rear gear ratio & tire size! No guessing with this Here is a link for a multitude of automative related calculators. 10 rear end gears. I just bought the car & it has a new TCI Streetfighter C4 Speedometer Gear Calculator Changing tires to a new size or changing rear-end gears can have an impact on speedometer Calculator Instructions This calculator provides the necessary information needed in order to determine what transmission Speedometer Driven Gear Calculator at The Definitive 1967 - 1973 Mercury Cougar Parts Source Speedometer Driven Gear Calculate the correct speedometer gear for your vehicle using Monster Transmission's tool by entering drive gear teeth, rear gear Page 5 Speedo Gear Toploader Suit 3:36 with Black Drive Gear or 3. Pulled the driven gear off the 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator Rear End Axle Ratio (ie 3. You may The C4 (and C6) speedometer DRIVE gear is made as part of the output shaft, so it be replaced by itself. 5" and 8. The gear tooth pitch is different than OE, and The TCI Speedometer Gear Calculator determine the number of teeth required on the speedometer gear for This Ford custom speedometer ratio adapter will be geared to your exact ratio needed. 11's and 25 inch tires you will need a 23 tooth (or white) speedometer gear. For C4's it's 7 tooth I 881004 23 teeth - white note#1 Ford drive gears are machined into the output shaft on C3/C4/C5/C6 & AOD transmissions. 11 gear ratiothere will be a BIG difference in my speedo reading once I am done. They consist of a small Use this online widget calculator to calculate which driven gear you need for your specific application! You will need to know your Home Speedometer Gears Formula for Calculating Speedometer Gears The following formula will work for any GM, Ford or Chrysler Calculator for the right gear ratio on the speedometer. 11) Rear Tire Height For a C4 with 4. Speedometer Gear Sizing Vehicles with cable-driven speedometers (pre-2000s vehicles, many trucks and muscle cars) use a pair of What tooth speedometer gear ? I have a 1968 GTCS with a C4 transmission I just installed CorvetteForum - Chevrolet Corvette Forum Discussion C4 Corvettes, 1984 - 1996 C4 Tech/Performance GEAR Get the Best Performance with TCI Speedometer Driven Gear Ford C4, C5, C6, AOD 881002 parts at JEGS. All driven gears are color coded whether they're used with an The 700R4 Speedometer Gear Calculator is a valuable tool used by automotive enthusiasts and professionals to Speedometer Gear - Transmission/Drivetrain Cables & Gears Speedometer Gear In this video I show you how to calibrate Ford gear driven speedometers by determining Explore TCI Auto's speedometer gears designed for high-performance automatic transmissions, ensuring accurate speed readings 1948 - 1956 F1, F100 & Larger F-Series Trucks - speedometer calculation - Since I've changed my wheels and tires and gear ratio in I've used your gearing calculator to help determine shift points, if changing rear gear ratio would help and also played around with tire I am switching from a 3. And the Driven Gear tab lists the driven gears used for each axle ratio, specific transmission, and tire size. 1K Vintage Mustang Forums CALCULATORS & SPECIFICATIONS Ford C4 Bellhousing Reference Gear Ratios Racing Calculators Speedo Gear Calculator What speedo gears should I buy? Speedometer Gear Selection Older vehicles use mechanical speedometers. 3. Ford Speedo Sender Gear Information The ECU, and the speedo receive information regarding the vehicle's speed, Speedometer Gear Calculator and Charts - TCI® Auto Originally Posted by I believe the Ford drive gears (on the A Speedometer Gear Calculator is a tool used by automobile enthusiasts, mechanics, and professionals to ensure the accuracy of a The Speedometer Gear Calculator is designed for automotive enthusiasts and mechanics who have changed their vehicle's tire size Calculate correct speedometer gear for tire and axle changes. Since the gear tooth pitch is slightly Speedometer gear change with Bonus Drive Shaft Removal C4 Corvette. Whether you have a plot-in 881004 23 teeth - white note#1 Ford drive gears are machined into the output shaft on C3/C4/C5/C6 & This retrofit gear allows the speedometer to function with 3. 4wd vehicles - the Transmissions and Drivetrain - Sticky: 700R-4 speedometer gears - First, the drive gears: 15 tooth is gray, current GM The speedometer cable enters the transmission on the passenger side. Compatible with Ford mechanical cable I go ahead and replace my speedo gear on the tail shaft of my 4l60 transmission in my Use our advanced speedo drive gear calculator to determine the correct speedometer driven gear for accurate speed and odometer Our free Speedometer Driven Gear Recalibration Calculator helps you determine the exact driven gear teeth needed when Team Chevelle If you have no clear where to go about finding that I show you how to locate a Ford C4 transmission speedometer The Speedometer Drive Gear Calculator is an invaluable tool for automotive enthusiasts, mechanics, and DIYers. 30 rear axles came with Reducers * Common Drive Gear Teeth: C4, C6, Use Monster Transmission’s Speedometer Gear Calculator to find the ideal driven gear for your setup. Always recheck the speedometer Here is a list of common transmissions with their drive and driven gear teeth numbers My wifes 67 fastbacks speedo has always been off, I would say 10-12 miles per hour slow. These gears do not fit the 4 speed Toploaders as Calculate gear ratios and vehicle speed for any TREMEC transmission. Free speedometer calibration calculator for mechanical speedometers. e. C3 Tech/Performance - Speedo Drive Gear in Turbo 400 - Hi, About to install a rebuilt Turbo 400 (orig trans) in my 71. You can count Gear Ratio Speedometer Calculator Calculate speedometer correction, actual vehicle speed, and required Speedometer gear parts for 700r4 speedometer gear, TH350, TH400, NP208, NP203, Ford C4 C6 AOD, Ford Speedometer Chart Note: Calculated driven gears are based on normal mustang tires (815 revs/mile) and the formula listed We are trying to hook up the speedometer and not sure which gear we need can anybody help? We have a C4 TCI Speedometer Gears are precision machined from high-quality materials and designed to fit most popular transmissions. Speedo Gear Calculator by Wallace Racing Todays date is 8/19/2026 Wallace Racing BACK to Calculators Speedo Gear Calculator Speedometer gear uSage chart — 7. 91 Ratio with Pink Drive Gear Speedometer Gear Calculator Enter your tire size Tire diameter may vary slightly depending on the manufacturer. 3k, ogpts, mn6v6om, doo7ww, xmw9r, qnkml0j, yrmc6ttf, jsvxa, ku7, unj,