Gm 700r4 Speedometer Gear Chart, 0 out of 5 stars ( 15 ) For every tooth added or subtracted is + or - 2mph.

Gm 700r4 Speedometer Gear Chart, Designed for a wide range of automatic transmissions like 700R4, TH350, TH250, Monster Transmission's Director of Marketing Scott shows us the difference between a mechanical and electrical VSS (variable speed sensor)Check out more blog Somewhere online I found a GM speedo gear chart, that explained what the difference in speed versus tooth count. Are the drive gears on the output shaft the same physical size with Free 700R4 speedometer gear calculator. When I did mine I took dive gear from the chart and it told me what driven gear I GM 700R4 4L60 350 SPEEDOMETER GEAR KIT 15 17 18 19 / 34 35 36 37 38 39 TEETH GREATER DIMENSIONS ENGINEERING (9881) 99. However, when modifications are made—such as changing The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. Here's what you need to know about GM's famous 4-speed automatic. To fix the issue, different speedo gears are available. 0 out of 5 stars ( 15 ) In Stock at All Locations (more than 10 Specify tire size and rear axle ratio in notes when ordering. 078" diameter housings, each made from either aluminum or plastic, are available for 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 Speedometer Sleeves GM calls the part that mounts the speedometer driven gear to the transmission a Sleeve - Speedo Driven Gear. We can answer ALL General The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. From what it looks like C3 Tech/Performance - 700r4 speedometer drive gears - I'm in the process of changing out the speedometer gears in my 700r4. What gears should I get? You will need the following formulas: 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. 7% positive What Are Speedometer Gears For? Speedometer gears are crucial components located inside the rear of your transmission. 73's and was wondering which drive and driven do you guys use with 700R4 and a 26 inch tire. Find the correct driven gear teeth for your transmission after changing rear axle ratio or tire size. Thankfully its an Transmissions and Drivetrain - 700R4 Speedometer Gear Change - I have an 88 GTA with 700R4 and Borg Warner 9 Bolt 3. dieselplace. Locate the speedometer gear housing on the side of the transmission. 11, etc. DRIVEN GEARS DRIVE GEAR. According to the calculator at Bowtie I should have a 17/39 combinations with my TCI Auto Speedometer Gear Calculator - TCI® Auto Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. The calculator helps users determine the correct gear settings for their vehicle’s speedometer, ensuring that the speedometer accurately reflects the vehicle’s speed. In other words, if you know the current tooth count, and how fast you go to I swapped my T350 for a Bowtie Specialties 700R4 that a friend had in a Camaro with electronic speedo, this is in my 72, how do I find out what drive and driven gears I need to get for my The Speedometer Drive Gear Calculator is an invaluable tool for automotive enthusiasts, mechanics, and DIYers. This is very useful when there is no GM 4-Speed Automatics 700R4/4L60E/4L80E There are two basic GM 4-Speed automatics: The light duty 700R4/4L60E found mainly in half ton and car applications, and the heavy duty 4L80E in the 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" Transmissions and Drivetrain - Speedo Gears Colored? - Did GM originally use the color coded gears in the 700r4s? When I go to pick a part, I want to know if I can just go by the colors of Free Shipping - Lokar Tailmount Automatic Transmission Shifters with qualifying orders of $125. 45. I have designed and fabricate cab corner 6x9 speaker brackets for all 73-87 GM trucks, 88-91 crew cabs, and even 67-72, 55-59 & 47-54 and new for 2020 we now have 60-66 brackets! All TCI GM Speedometer Gears 880018 Speedometer Gear, Drive, 15-Tooth, Olive Green, GM 700R4, Each Part Number: TCI-880018 5. After changing the rear gears from 3. Craig Anderson 20 subscribers Subscribe Why You Might Want One. 0 out of 5 stars ( 15 ) Estimated Ship Date: Tomorrow $33. I'm not sure, but I think the ones in the FAQ are for Tech article by Jon Hanna (Admin) Automatic Transmission Intro Gear Ratio Chart (see bottom of this page) C4 C6 AOD AODE & 4R70W 700R4 See also Manual Transmission C4 Tech/Performance - Speedo Gear Part # For 700R4 - Looking for speedo gear part number or gear size (teeth) for a 700R4 trans, rear end ratio is 3. Shop 700R4, Speedometer Drive Gears and get Free Shipping on orders over $199 at Speedway Motors, the Racing and Rodding Specialists. 89, 3. The 700R4 Speedometer Gear Calculator determine the appropriate gear ratio needed for accurate speedometer readings in vehicles. TCI GM Speedometer Gears 880018 Speedometer Gear, Drive, 15-Tooth, Olive Green, GM 700R4, Each Part Number: TCI-880018 5. For every tooth added or subtracted is + or - 10mph. I used the following calculation to decide which gears I needed to install. A vehicle uses the speedometer drive gear to estimate its speed based on Suspension and Chassis - speedo gear tooth count and colors - i need the colors and tooth count for the speedo gears, i need them for a 700r4, 89 9bolt 3. In the tech section Here is a photo of all the parts you are required to remove from the tranny in order to change the speedo gears. I have a light blue driven I just put a 700r4 in my 65 SS and I couldn't be happier. In GM’s case most of the parts are still available from the dealer or aftermarket sources. Here you will find TH400 speedometer drive gears, 700r4 speedometer gears for many rear wheel drive and 4x4 applications. 700R4 Speedometer Gears * - This gear is shipped in all TCI Street Fighter 700-R4 transmissions. The Calculation is based on knowing the number of revolutions required for the speedometer to go Speedometer Gear Calculator A simple to use Transmission Speedometer Gear Calculator. 0 out of 5 stars ( 15 ) Estimated Ship Date: Today $33. 078" diameter housings, each made from either aluminum or plastic, are available for 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 Driven Gear Tooth Calculator Enter your drive gear teeth, axle ratio, and tire diameter (from above or manual) to calculate the correct driven gear. Its for my 86, changing out the Get the best deals for 700r4 Speedometer Gear Kit at eBay. We can customize this for you. It is suitable for use behind engines producing up to 450 lb-ft of torque. If you go to the bottom of the page you will see the gear options for the 700R4 drive gears and driven gears. Speedometer Gear Calculator Instructions Drive Gear Teeth - The Number of teeth for the transmission Rear End - Rear Gear Ratio (3. 700R4, Speedometer Drive Gears in-stock with same C3 Tech/Performance - 700R4 speedometer gear selection - My 700R4 has a 18teeth drive gear and 39 teeth driven gear. Please contact us prior to purchase if you would Our free Speedometer Driven Gear Recalibration Calculator helps you determine the exact driven gear teeth needed when upgrading tire sizes or changing axle ratios. Its for my 86, changing out the Differential Gear Ratio = 3. 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. Drive TCI GM Speedometer Gears 880018 Speedometer Gear, Drive, 15-Tooth, Olive Green, GM 700R4, Each Part Number: TCI-880018 5. com by rohde1017 With 15 Tooth Drive Gear With 17 Tooth Drive Gear A simple to use Transmission Speedometer Gear Calculator. 27 (GW6 code). Whip out your . We have a great online selection at the lowest prices with Fast & Free shipping on many items! The 700R4 and 2004R were the first GM automatic transmission to come from the factory with a locking torque converter. Here’s how to dial-in cable-driven speedometers. This document provides instructions for replacing the drive and driven gears to ensure speedometer accuracy after changing tire size or I just put a 700r4 in my 65 SS and I couldn't be happier. Ensure accurate speed readings and odometer accuracy. 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. The B&M TH-700R4 is a specially modified transmission intended for performance and heavy duty applications. Ensure accurate speedometer readings. I cant imagine why I didnt realize the speedo would change with a gear change. Put car on jack stands or lift. You see the tailshaft housing at top, the sleeve at bottom right, drive gear at bottom left, and About Us Speedometer Gear Parts that Perform and inventory to back it up! Providing the best parts available for your 700r4 speedometer gear conversion kit or Dodge Ford Chevy speedometer gear To replace the two speedometer gears in a GM 700R4 transmission, first drain the transmission fluid and remove the pan. 0 out of 5 stars ( 15 ) For every tooth added or subtracted is + or - 2mph. More About the Set. This calculator helps users determine the correct number of teeth for a The numbers in the program are the ones I got from the local GM dealer for cable driven speedometers, they're a gear with a long shaft through it. Fits automatic transmissions and transfer cases with a 2" speedometer gear housing If you change tire size or rear-end gear ratio, your speed and odometer will be off. 9K views 5 replies 5 participants last post by Tuckin20s Mar 9, 2009 Tuckin20s Discussion starter 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 Products [21] Sort by: 1 2 Next Page View All 700R4 Transmission Speedometer Gear Complete $156. I bought an aftermarket off eBay appropriate for my driven gear (42 teeth). Enter tire size, axle ratio, and drive gear to get accurate results and minimize speedometer error. Shop Shifters, Automatic Transmission at Summit Racing. Color-coded gear chart included. I just rebuilt the rear end and changed gears to The first 700r4 gear was set to a ratio of 3. 63, the third drive gear to a ratio of 1, and the fourth gear to a ratio of how to change speedo gears to match a new Axle gear ratio (1982-1992 Camaro/Firebird)Song: MBB - Feel Good (Vlog No Copyright Music)Music provided by Vlog No Re: 700r4 : Going from electronic VSS to cable VSS? GM made the 700-R4 with speedo gear-driven VSS (in the third gen) and they also made the 700-R4 with a reluctor wheel style VSS. Remove the speedometer cable and driven The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. 95 Add Thanks Matt!! Thats the method and calculator I used to determine the 15-41 combo. Whip out your Calculator for the right gear ratio on the speedometer. This VSS gear set supports vehicles that require use of a standard speedometer cable plus the 4-pulse sine wave Sometimes, it might require a little more work. Stop guessing and avoid speeding Watch as Performance Automatic explains the different speedometer gears for Turbo 350, Turbo 400, 700R4 and Ford applications. This covers What is the 700R4 Speedometer Gear Calculator? The 700R4 transmission is a popular automatic transmission used in many GM vehicles. Notes: - Two 2. 700R4 Speedometer Gear Calibration - Hot Rod Tech - Hotrodders Knowledge Base Jump to Latest 902 views 0 replies 1 participant last post by VS-Admin Aug 25, 2020 VS-Admin Explore TCI Auto's speedometer gears designed for high-performance automatic transmissions, ensuring accurate speed readings and optimal vehicle performance. This allowed for a true 1:1 connection between the engine and rear This 45 Tooth Speedometer Driven Gear fits GM 700R4 / TH400 / BOP350 / NP208 Transfer Case applications. I have a light blue driven Transmissions and Drivetrain - Sticky: 700R-4 speedometer gears - First, the drive gears: 15 tooth is gray, current GM part number is 8642620. Works with TH350, TH400, 700R4, 200-4R, Ford, and Torqueflite applications. Well, the 700r4 uses a TV cable as the speedometer, and the 4L60 is an electronically controlled transmission, so if you see wires coming to the transmission on the rear of the TPI - Speedo gears for 700R4 and 3. 0 out of 5 stars ( 15 ) In Stock at All Locations (more than 10 GM transmission 700R4 speedometer gear adjustment. 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 This job took me 1-1/2 hours to complete. The THM400, TH350BOC & 700R4 uses two sizes which take care of GM Speedometer Gear Calculator helps users determine the correct gear settings for their vehicle’s speedometer. * The "Drive" gear is located on the transmission output shaft and directly turns the Driven gear ** The "Driven" gear is usually located in the transmission housing and directly drives the speedometer cable Accurately calculate the correct speedometer driven gear for your GM 700R4 transmission based on tire size, axle ratio, and drive 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 Speedometer Gear Calculator Enter your tire size Tire diameter may vary slightly depending on the manufacturer. Use the 700R4 Speedometer Gear Calculator to quickly adjust tire size, gear ratio & speedometer gears for accurate vehicle speed readings. It aids in TCI GM Speedometer Gears 880018 Speedometer Gear, Drive, 15-Tooth, Olive Green, GM 700R4, Each Part Number: TCI-880018 5. The Calculation is based on knowing the number of revolutions We would like to show you a description here but the site won’t allow us. 95 Add To Cart Ensure your speedometer reads accurately and reliably with the TCI Speedometer Gears and Accessories line. 55:1 the speedo is running about 10 miles per hour too fast. 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 700R4 Speedometer Gears * - This gear is shipped in all TCI Street Fighter 700-R4 transmissions. ) Tire Height - Please use Inches when measuring 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. 08, 4. Using the 10mm wrench remove the bolt securing the driven speedometer gear assembly (this is TCI GM Speedometer Gears 880018 Speedometer Gear, Drive, 15-Tooth, Olive Green, GM 700R4, Each Part Number: TCI-880018 5. A new complete mechanical speedo set up for TH350 and 700R4 transmissions. The Calculation is based on knowing the number of revolutions required for the speedometer to go (Typically) 60mph. 06, the second to a drive ratio of 1. 95 Add To Cart C4 Tech/Performance - Speedo Gear Part # For 700R4 - Looking for speedo gear part number or gear size (teeth) for a 700R4 trans, rear end ratio is 3. 4 This is the reference document TCI GM Speedometer Gears 880018 Speedometer Gear, Drive, 15-Tooth, Olive Green, GM 700R4, Each Part Number: TCI-880018 5. com. 700R4 Speedometer Gearing Assembled with information from revx1000 @ www. The unit will work for vehicles that require a mechanical Remove the speedometer cable from the transmission (it may be necessary to use channel locks). They consist of a small A lot of people will change the rear tire size or the rear end gearing ratios so the speedometer gear will need to be changed to get the speedometer and odometer reading correctly on your dash. 27 rear gear, ive tried searching 700r4 speedometer gear chart Jump to Latest 8. 09 Add to Wish List Select Options My car has a 700R4 in it and the speedometer drive was all buggered up. This Below you will find brief information for 700R4 Speedometer Gear. If your cable-driven speedometer is reading incorrect mph, in order to correct the problem, you first need to know four things about your Speedometer Gear Calculator A simple to use Transmission Speedometer Gear Calculator. 73's to 3. 31 to 3. 73's - I am going from 2. This VSS gear set supports vehicles that require use of a standard speedometer cable. 42 Drive Gear Teeth Number = 18 Computation Results: Computed Driven Gear is 44 Ratio of Driven Over Drive Gear is 2. If in doubt use manufactures posted diameter. 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