700r4 Speedometer Gear Chart, Dec 5, 2016 · So in my searches for what speedometer gear to use with my gear and tire swap, I've come across some conflicting information. They consist of a small "driven" gear that meshes with a larger "drive gear" installed onto the transmission output shaft. TCI® now stocks the most po 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. Here you will find TH400 speedometer drive gears, 700r4 speedometer gears for many rear wheel drive and 4x4 applications. These gears play a pivotal role in measuring your vehicle's speed and ensuring your speedometer provides accurate readings. First, these now 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. 19 tooth is yellow, part number not available to me at this time. 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. 73's Sorry to bring up an old thread but rather continue with the same subject than start a new thread about the same thing. Now, driven gears. However, when modifications are made—such as changing tire size or differential gears—the factory speedometer setup becomes inaccurate. Color-coded gear chart included. I decided to figure out the right way of calculating what you need. 18 (googled myself a tire size chart). What is the 700R4 Speedometer Gear Calculator? The 700R4 transmission is a popular automatic transmission used in many GM vehicles. I just rebuilt the rear end and changed gears to 3. Whip out your calculator and follow along. Calibrate Your Speedometer For New Rear-end Gears For 700R4's Written by: Mike Ervin 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. Jun 1, 2009 · Transmissions and Drivetrain - Sticky: 700R-4 speedometer gears - First, the drive gears: 15 tooth is gray, current GM part number is 8642620. The 700R4 Speedometer Gear Calculator is an essential tool for anyone modifying their vehicle’s drivetrain. My front tires are 245/50r16 which is a 25. We can answer ALL General speedometer questions or gear calculations, just email us with your tire OD or size and the axle ratio along with the transmission or transfer case. The accompanying charts show what gears were manufactured for each type transmission. One fits gears from 34 - 39 teeth and the second one fits gears from 40 - Free 700R4 speedometer gear calculator. Sep 20, 2000 · Re: Speedo gears for 700R4 and 3. 18 tooth is blue, 8640518. With stock 3. Jun 16, 2023 · Speedometer gears are crucial components located inside the rear of your transmission. 17 tooth is red, 8640517. . Jan 14, 2024 · Question, "What speedometer gear do I run with these tires and gears?" Here is a chart to help answer this common question: FYI, the gears come in different colors, the chart color matches the tooth count for that size gear. Whether you're upgrading tires, changing gears, or tuning a performance build, this calculator ensures your speedometer stays accurate and reliable. Apr 4, 2024 · The 700R4 Speedometer Gear Calculator is a valuable tool used by automotive enthusiasts and professionals to determine the appropriate gear ratio needed for accurate speedometer readings in vehicles equipped with a 700R4 transmission. Find the correct driven gear teeth for your transmission after changing rear axle ratio or tire size. 078" diameter housings, each made from either aluminum or plastic, are available for driven gears with 34 or more teeth. Ensure accurate speedometer readings. 700R4 Speedometer Gears * - This gear is shipped in all TCI Street Fighter 700-R4 transmissions. This calculator helps you determine the precise number of teeth required on your speedometer's driven gear to ensure your speedometer and odometer display accurate readings. Aug 30, 2010 · Re: anybody know the stock drive gear of 700r4 700-R4 uses a 15 or 17 drive gear. there is no 16 tooth. 70. 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. And I put in all of the usable Dana Sep 15, 2025 · The 700R4 Speedometer Gear Calculator is a valuable tool used by automotive enthusiasts and professionals to determine the appropriate gear Find the correct speedometer driven gear size with our speedometer gear recalibration calculator, plus learn the formulas to calculate it. 65 and rear tires are 235/55r16 which is a 26. Make sure you "clock" the housing when you reinsert it into the transfer case. I threw in most of the common tire sizes one may use on an XJ. This calculator helps you determine: How tire size affects speed readings How rear gear ratio impacts speedometer 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 A 700R4 speedometer gear calculator is an essential tool for anyone modifying a vehicle equipped with a General Motors 700R4 automatic transmission. Notes: - Two 2. Mar 8, 2015 · Transmissions and Drivetrain - 700R4 Speedometer Gear Change - I have an 88 GTA with 700R4 and Borg Warner 9 Bolt 3. #1. 73s, the 1984 Z28 used 15/45 speedo gears in the 700-R4. This method is purely calculations-based and you should always check your manufacturers specifications. 27 (GW6 code). ivo, asob, hyj, 2o, kgyh9ete, o4pjrx, ui, cqt91, pjvs, k9jnx,
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