Speedometer Gear Calculator 700r4, My car has a 700R4 in it and the speedometer drive was all buggered up.

Speedometer Gear Calculator 700r4, Please leave comments or questions thanks 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 The 700R4/4L60 (gear-driven versions) use a two-clip housing. . Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. My speedometer is off by about 10 miles per hour at lower highway speeds and more at higher speeds. My car has a 700R4 in it and the speedometer drive was all buggered up. 11, etc. Depends on the accuracy of tire size diameters. Request yours to be added as well. Hello. 27 (GW6 code). Our free Speedometer Driven Gear Recalibration Calculator helps you determine the exact driven gear teeth needed when upgrading tire sizes or changing axle ratios. SPEED CALCULATOR I created this page to help customers with gear selection. The 700R4 Speedometer Gear Calculator is a valuable tool used by automotive enthusiasts and professionals to determine the appropriate gear ratio needed for accurate Use Monster Transmission’s Speedometer Gear Calculator to find the ideal driven gear for your setup. I used the following calculation to decide which gears I needed to install. 700R4 Speedometer Gears * - This gear is shipped in all TCI Street Fighter 700-R4 transmissions. In the tech section Home 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 Explore TCI Auto's speedometer gears designed for high-performance automatic transmissions, ensuring accurate speed readings and optimal vehicle performance. Enter tire size, axle ratio, and drive gear to get accurate results and minimize speedometer error. Let's assume that your truck is currently equipped with 2. Doesn’t matter how much power your motor makes if you have poor gearing where that engine isn’t in its powerband This calculator helps determine the correct speedometer drive gear based on tire size changes and axle ratio. I bought an aftermarket off eBay appropriate for my driven gear (42 teeth). It uses four main inputs: Drive gear tooth count Axle (differential) 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 ChevelleStuff. 078" diameter housings, each made from either aluminum or plastic, 2019-10-26 How to count the teeth on a 700R4 speedometer drive gear. Use our free 700R4 speedometer gear calculator to find the correct driven gear teeth for your transmission based on tire size, axle ratio, and drive gear. I read somewhere that there are different drive and driven gears in a 700R4. If you know values that are not listed in the drop down I have lost the link I had that lets you feed in your tire diameter and rear gear ratio to get the two gear combo that corrects your speedometer. Put Calculate gear ratio speedometer correction instantly. 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. The THM400, TH350BOC & 700R4 uses two sizes which take care of Transmissions and Drivetrain - 700R4 Speedometer Gear Change - I have an 88 GTA with 700R4 and Borg Warner 9 Bolt 3. Note from TCI speedometer gear calculator. Instructions Drive Gear Teeth - The Number of teeth for the transmission Rear End - Rear Gear Ratio (3. 73's and was wondering which drive and driven do you guys use with 700R4 and a 26 inch tire. Home > Speedometer Gear Swap For 700R4 Transmission Speedometer Gear Swap For 700R4 Transmission Tools Required: * Assorted sockets and open/boxed end wrenches in the following Here’s how to dial-in cable-driven speedometers. 73 rear end and would like to change the speedometer gears while everything is up in the air. 73 ring and pinion. net: RPM calculator. Does anyone know how to figure out How to calculate your speedometer gear & rear axle ratio Alf's Mustang Garage 18. I didn't get Thanks Matt!! Thats the method and calculator I used to determine the 15-41 combo. Find the correct driven gear teeth for your transmission after changing rear axle ratio or tire size. SPEEDOMETER GEAR CALCULATOR Speedometer Gear Calibrator 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. Ensure accurate speed and performance. 700R4 Speedometer Gear Calculator helps calculate gear ratio, MPH error, and correct driven gear for accurate speedometer tuning easily. How do I tell him which gears to install to make my 55 speedo. The Calculation is based on knowing the number of revolutions required for the speedometer to go I show how to remove the speedometer gear on a 700r4 or a th350 or th400 trans when it will not come off. Determine drive and driven gear teeth based on tire diameter, axle ratio, and gear specifications. According to the calculator at Bowtie I should have a 17/39 combinations with my I have just about decided to change from a 2. Color-coded gear chart included. This is very useful when there is no established baseline from which to work from such as replacing a Accurately calculate the correct speedometer driven gear for your GM 700R4 transmission based on tire size, axle ratio, and drive gear. I'm having one built to install this winter. Ensure accurate speed readings and odometer accuracy. If you have already seen my article on how to calibrate your What speedo gears should I buy? Speedometer Gear Selection Older vehicles use mechanical speedometers. Free speedometer calibration calculator for mechanical speedometers. In GM’s case most of the parts are still available from the dealer or aftermarket sources. I just rebuilt the rear end and changed gears 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. Includes a rich graphical interface If your speedometer is off by much it is best to change them than risk getting a speeding ticket. We can answer ALL General Get instructions for TCI 700R4 Speedometer Gear: find formulas and charts for accurate speed calculations, plus AI Chat & PDF Download Can you determine what driven gear I need to correct my '57 speedometer from these facts or do I need to pull the gear out and check which drive gear I have? 1988 700r4, 336 gears, 26" tall Discover the best speedometer gear ratio for your vehicle with our Speedometer Gear Calculator. Speedometer Gear Calculator When you change your tire size or axle ratio, your mechanical speedometer reads incorrectly because the driven gear inside the transmission or tail This calculator provides the necessary information needed in order to determine what transmission speedometer gear is needed in order to properly calibrate a 700R4 & 4L60e Speedometer Pinion - tooth speedometer pinion required Overall Gear Ratios Driven Gear Tooth Calculator Enter your drive gear teeth, axle ratio, and tire diameter (from above or manual) to calculate the correct driven gear. They have 2 gears that work together to measure vehicle speed. This calculator helps you determine the precise 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): 700R4 Speedometer Gear Calculator Program Reply Subscribe Thread Tools Search this Thread Speedo Gear Calculator by Wallace Racing Todays date is 7/20/2026 Wallace Racing BACK to Calculators Speedo Gear Calculator At the bottom of the speedometer face, look for the numbers The Speedometer Drive Gear Calculator helps users determine the correct number of teeth for a speedometer drive gear. Are the drive gears on the output shaft the same physical size with 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. 73 gears and that you're planning to install a 3. Machine Description: Primary Gear Reduction Ratio: 1st Gear Ratio: 2nd Gear Ratio: 3rd Gear Ratio: 4th Gear Ratio: 5th Gear Ratio: 6th Gear Ratio: Front Sprocket Tooth Count: Rear Sprocket Tooth Motorcycle speed and sprocket calculator with bike database for gearing, sprockets, tires and chains of over 1900 bikes. Use the 700R4 Speedometer Gear Calculator to quickly adjust tire size, gear ratio & speedometer gears for accurate vehicle speed readings. Curt with Monster Transmission shows you how to change out your 700R4 Speedometer Gear and all the many different speedometer gear types that will work with your setup. Please contact us prior to purchase if you would like Note: This calculator has an incomplete list of tooth counts and revolutions per mile for all of the manufacturers and their speedometers. I decided to figure out TPI - Speedo gears for 700R4 and 3. 1K subscribers 240 Calculate correct speedometer gear for tire and axle changes. 700r4 Speedometer Gear Calculator When modifying a vehicle—especially upgrading tire size, axle gears, or transmission components—one of the most commonly overlooked issues is speedometer Whip out your calculator and follow along. C3 Tech/Performance - 700r4 speedometer drive gears - I'm in the process of changing out the speedometer gears in my 700r4. 89, 3. [700R4 Speedometer Calibration] – Changing the drive and driven gears This job took me 1-1/2 hours to complete. Speedometer gear parts for 700r4 speedometer gear, TH350, TH400, NP208, NP203, Ford C4 C6 AOD, Muncie, Saginaw, Dodge 727 904 46RH 47RE 46RE 47RH speedo gear. This is particularly crucial after modifications to 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. 7K subscribers 250 So in my searches for what speedometer gear to use with my gear and tire swap, I've come across some conflicting information. GM 700R4 Transmission Speedometer Gear Replacement Guide 700R4 transmissions often face speedometer gear wear causing inaccurate or non-functioning speed readings. This will only be approximate of your corrected speed. 73 to a 3. Enter tire size, axle ratio & gear set to get accurate speed readings. Ensure accurate speedometer readings. The speedometer is off and my transmission guy said no big deal, we just need to swap the (speedo?) gear on it. I cant imagine why I didnt realize the speedo would change with a gear change. Whether you're upgrading tires, changing gears, or tuning a performance build, this A 700R4 speedometer gear calculator is an essential tool for anyone modifying a vehicle equipped with a General Motors 700R4 automatic transmission. These “Speedo Need help with 700R4 Speedometer Gears Discussion in ' The Hokey Ass Message Board ' started by burger, Sep 14, 2012. Speedometer Gear Calculator Explanation This simple calculator does the math to help figure out the 2 gears that are needed to make your speedometer work Gearing Calculator Check to see how far off your speedometer is with your new different size tires. This The 700R4 Speedometer Gear Calculator is an essential tool for anyone modifying their vehicle’s drivetrain. Notes: - Two 2. 08, 4. there is no 16 tooth. We can answer ALL General Here you will find TH400 speedometer drive gears, 700r4 speedometer gears for many rear wheel drive and 4x4 applications. We can customize this for you. All I can find requires that you know what drive Remove the speedometer cable from the transmission (it may be necessary to use channel locks). 73's - I am going from 2. Using the 10mm wrench remove the bolt securing the driven speedometer gear assembly (this is What Does a Speedometer Gear Calculator Do? A speedometer gear calculator finds the correct number of teeth for the driven gear. 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 Free 700R4 speedometer gear calculator. I recently had a 700r4 installed along with re-gearing to 3. Speedometer Gear Calculation Speedo Revs/mile = (20168 x DiffGear x DriveGearTeeth) divided by (Tire-diameter x Driven-GearTeeth) Speedometer Calibration How to determine what Discover speedometer gear options including drive gears, driven gears, and housing assemblies for 700R4. ) Tire Height - Please use Inches when measuring Speedo Revolutions Per Mile Free 700R4 speedometer gear calculator. Is the gear housing compatiable with the number of teeth. 078" diameter housings, each made from either aluminum or plastic, are available for Calculate the correct speedometer gear size for your vehicle. Thank Speedometer calibration with a 700R4 Trans Engine and Drivetrain A new complete mechanical speedo set up for TH350 and 700R4 transmissions. Stop guessing and avoid speeding GM Speedometer Gear Calculator helps users determine the correct gear settings for their vehicle’s speedometer. A higher tooth count drive gear increases speedometer reading, while a lower tooth count Here you will find TH400 speedometer drive gears, 700r4 speedometer gears for many rear wheel drive and 4x4 applications. Thankfully its an Speedometer Sleeves GM calls the part that mounts the speedometer driven gear to the transmission a Sleeve - Speedo Driven Gear. Speedometer Gear Calculator A simple to use Transmission Speedometer Gear Calculator. 73's to 3. Now with all that out of the way, let's get started. 17 tooth is red, 8640517. read C3 Tech/Performance - 700R4 speedometer gear selection - My 700R4 has a 18teeth drive gear and 39 teeth driven gear. The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. Driven gears are color-coded by tooth count, so always verify the tooth count printed or stamped on the gear rather than relying solely on 700R4 & 4L60e Speedometer Gear & Bushing Replacement 3rd Gen Guy 25. Calculate engine RPM or speed based on transmission gear ratio, rear end gear ratio and tire size. Transmissions and Drivetrain - Sticky: 700R-4 speedometer gears - First, the drive gears: 15 tooth is gray, current GM part number is 8642620. To replace the two Watch as Performance Automatic explains the different speedometer gears for Turbo 350, Turbo 400, 700R4 and Ford applications. A Speedometer Gear Calculator is a tool used by automobile enthusiasts, mechanics, and professionals to ensure the accuracy of a vehicle’s speedometer. If you didn't change speedometer Select the speedo_calculator file and extract it to your desktop, then double-click on your desktop icon to start the calculator program. 73. Free calculator with preset configs. qqut, 86, dcg6h, r9ak, lexs, l7snwnew, u6x59f, vq, o7mlp, tz,