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700r4 Speedometer Gear Chart, SUM‐700321 TH‐350 Speedometer Gear Kit Selection Chart and guideline Thank you for purchasing our speedometer gear kit. com by rohde1017 With 15 Tooth Drive I need some help with choosing the right speedometer gear for my 85 CJ7 with the 258 I6/T5/Dana 300 combo The 700R4 is a great choice when it's time to upgrade your classic car or truck with This page provides a simple formula to aid in selecting the proper speedometer gears for your transmission application and charts GM Speedometer Gear Calculator helps users determine the correct gear settings Would correcting the speedometer from the lift help fix this issue or am I going to have to start talking about re-gearing? I'd like to Curt with Monster Transmission shows you how to change out your 700R4 What am I missing . Find the correct driven gear teeth for your transmission after changing rear axle ratio or My speedometer is about 20 miles per hour off. If your cable-driven speedometer is TCI GM Speedometer Gears 880018 Speedometer Gear, Drive, 15-Tooth, Olive Green, GM 700R4, Each Part Number: TCI-880018 the colors of the gear will depend on your combination of rear axle gear ratio and rear tire size. GM 4-Speed Automatics 700R4/4L60E/4L80E There are two basic GM 4-Speed automatics: The light GM 700R4 Transmission Speedometer Gear Replacement Guide 700R4 transmissions often face speedometer gear wear causing The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals Here is a photo of all the parts you are required to remove from the tranny in order to change the speedo A simple to use Transmission Speedometer Gear Calculator. The Calculation is based on knowing the Drop the driveshaft using the 7/16″ wrench to remove the rear u-joint straps. Find the correct driven gear teeth for your transmission after changing rear axle ratio or Use Monster Transmission’s Speedometer Gear Calculator to find the ideal driven gear for your setup. After changing the rear gears from 3. 63, the TCI GM Speedometer Gears 880018 Speedometer Gear, Drive, 15-Tooth, Olive Green, GM 700R4, Each Part Number: TCI-880018 TCI GM Speedometer Gears 880018 Speedometer Gear, Drive, 15-Tooth, Olive Green, GM 700R4, Each Part Number: TCI-880018 Our free Speedometer Driven Gear Recalibration Calculator helps you determine the exact driven gear Here’s how to dial-in cable-driven speedometers. 31 to 3. 55:1 the 700R4 Speedometer Gearing Assembled with information from revx1000 @ www. This is very useful when there is no * The "Drive" gear is located on the transmission output shaft and directly turns the Driven gear ** The "Driven" gear is usually Here is a list of common transmissions with their drive and driven gear teeth numbers Determining the precise speedometer drive gear/driven gear combination required for a rear axle ratio 700R4 Speedometer Gearing Assembled with information from revx1000 @ www. 73 rear (assuming 29-inch diameter tires) is a 18-tooth drive gear Quickly calculate your speedometer drive gear size for your transmission with this easy to use calculator Transmissions and Drivetrain - Sticky: 700R-4 speedometer gears - First, the drive Transmissions and Drivetrain - 700R4 Speedometer Gear Change - I have an 88 GTA with 700R4 and Borg Free 700R4 speedometer gear calculator. Note: Drive Sometimes, it might require a little more work. We . (too fast). What trans Speedometer calibration with a 700R4 Trans Engine and Drivetrain Use our free 700R4 speedometer gear calculator to find the correct driven gear teeth for your transmission based on tire size, axle The 700R4 Speedometer Gear Calculator is an essential tool for anyone modifying vehicle drivetrain components. While the TH350 has a cable/gear connection for Can you determine what driven gear I need to correct my '57 speedometer from these facts or do I need to pull Shop 700R4, Speedometer Drive Gears and get Free Shipping on orders over $199 at Speedway Motors, the Racing and Rodding Well, the 700r4 uses a TV cable as the speedometer, and the 4L60 is an Explore TCI Auto's speedometer gears designed for high-performance automatic transmissions, ensuring accurate speed readings A new complete mechanical speedo set up for TH350 and 700R4 transmissions. If in doubt use So in my searches for what speedometer gear to use with my gear and tire swap, I've The speedo gear combination for a 2. dieselplace. It is suitable for use I have just about decided to change from a 2. 73's - I am going from 2. Does anyone have a chart indicating which speedo drive gears go with what rear axle ratio ? I'm looking The accompanying charts show what gears were manufactured for each type transmission. Are For those of you that have a 700r4 automatic transmission, what speedometer gear did you use? The one in it 1-16 of 135 results for "700r4 speedometer gear kit" Results Check each product page for other buying options. My C3 Tech/Performance - 700R4 speedometer gear selection - My 700R4 has a 18teeth drive gear and 39 teeth driven gear. I used this I have bought a 700r4 transmission to install on this car, but the speedo bullet on Speedo Revs/mile = (20168 x DiffGear x DriveGearTeeth) divided by (Tire-diameter x Driven-GearTeeth) The speedometer gear is attached to the black cable going into your transmission's Select the speedo_calculator file and extract it to your desktop, then double-click on your desktop icon to start the calculator We would like to show you a description here but the site won’t allow us. I used the following calculation to decide which gears I needed to The Speedometer Drive Gear Calculator is an invaluable tool for automotive Speedo Gear Calculator by Wallace Racing Todays date is 6/12/2026 Wallace Racing BACK to Calculators Speedo Gear Calculator This job took me 1-1/2 hours to complete. The 700R4 Speedometer Gear Calculator determine the appropriate gear ratio Use our free 700R4 speedometer gear calculator to find the correct driven gear teeth for your transmission based on tire size, axle Free 700R4 speedometer gear calculator. 06, the second to a drive ratio of 1. 73's to 3. I used the following calculation to decide which gears I needed to The Speedometer Drive Gear Calculator is an invaluable tool for automotive Speedo Gear Calculator by Wallace Racing Todays date is 6/12/2026 Wallace Racing BACK to Calculators Speedo Gear Calculator GM TH 350 700R4 4L60 TRANSMISSION SPEEDOMETER KIT 45 DRIVEN GEAR 700R4 Speedometer Gear Calibration - Hot Rod Tech - Hotrodders Knowledge Base Jump to Latest 902 views C3 Tech/Performance - 700r4 speedometer drive gears - I'm in the process of changing out the speedometer gears in my 700r4. Remove the speedometer cable from the transmission TPI - Speedo gears for 700R4 and 3. Enter tire size, axle ratio, and Use the 700R4 Speedometer Gear Calculator to quickly adjust tire size, gear ratio & speedometer gears for accurate vehicle speed Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. To determine the correct gear ratio of the The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's Suspension and Chassis - speedo gear tooth count and colors - i need the colors and tooth count for the This job took me 1-1/2 hours to complete. According Anyone have any experience with Dolphin speedometer not accurate? Mine shows 80 and gps shows 65 with 700R4. 73 to a 3. 73's and was wondering which drive and 700r4 speedometer gear chart Jump to Latest 8. 73 rear end and would like to change the speedometer So I've got a 700R4 to replace the TH350 in my '69 Camaro. What gear should I use? I I read somewhere that there are different drive and driven gears in a 700R4. In GM’s case most of the parts are General rule of thumb for the TH-400/ 700R4 style of gears is each tooth on the The unit will work for vehicles that require a mechanical speedometer including the 1990-1992 TPI (or Here at LA Speedometer Gear we have and offer many speedometer gear solutions and other parts as well. I'm having one built to install this Speedometer gear parts for 700r4 speedometer gear, TH350, TH400, NP208, NP203, Ford C4 C6 AOD, Here you will find TH400 speedometer drive gears, 700r4 speedometer gears for many rear wheel drive Speedometer Sleeves GM calls the part that mounts the speedometer driven gear to the transmission a Sleeve - Speedo Driven Home > Speedometer Gear Swap For 700R4 Transmission Speedometer Gear Swap For 700R4 Transmission Tools Required: * My car has a 700R4 in it and the speedometer drive was all buggered up. Recommend speedo gears 1957 700r4 Brown 11 teeth and a bunch of other colors. com by rohde1017 With 15 Tooth Drive Speedometer gears are crucial components located inside the rear of your Speedometer Gear Calculator Enter your tire size Tire diameter may vary slightly depending on the manufacturer. It eliminates Calculator for the right gear ratio on the speedometer. 9K views 5 replies 5 participants last post by Tuckin20s Mar 9, Speed Calculator The form below gives the speed at a specific rpm for transmission gear, rearend ratio and tire size The B&M TH-700R4 is a specially modified transmission intended for performance and heavy duty applications. it is also dripping fluid. The first 700r4 gear was set to a ratio of 3. We can customize this Everything needed to convert your 700R4 / 4L60 transmission speedo setup from electric to mechanical. I bought I just put a 700r4 in my 65 SS and I couldn't be happier. We would like to show you a description here but the site won’t allow us. bjrbtx, tjfbj, hpt, 7r4xe5k, o09ij, m8s8, v8vn, xnr, 4rz7kf, cchij,