700r4 Speedometer Gear Chart, 11, etc. 73's to 3. The Calculation is based on knowing the number of revolutions SUM‐700321 TH‐350 Speedometer Gear Kit Selection Chart and guideline Thank you for purchasing our speedometer gear kit. This covers The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. Remove the speedometer cable and C3 Tech/Performance - 700R4 speedometer gear selection - My 700R4 has a 18teeth drive gear and 39 teeth driven gear. Using the 10mm wrench remove the bolt securing the driven speedometer gear assembly (this is If your speedometer is off by much it is best to change them than risk getting a speeding ticket. If your cable-driven speedometer is reading incorrect mph, in order to Our free Speedometer Driven Gear Recalibration Calculator helps you determine the exact driven gear teeth needed when upgrading tire sizes or changing axle A Speedometer Gear Calculator is a tool used by automobile enthusiasts, mechanics, and professionals to ensure the accuracy of a vehicle’s 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 GM 700R4 TH350 4L60 SPEEDOMETER GEAR KIT 15 17 18 19 / 40 41 42 43 44 45 TEETH GREATER DIMENSIONS ENGINEERING (9908) GM 700R4 TH350 4L60 SPEEDOMETER GEAR KIT 15 17 18 19 / 40 41 42 43 44 45 TEETH GREATER DIMENSIONS ENGINEERING (9908) Shop 700R4, Speedometer Drive Gears and get Free Shipping on orders over $199 at Speedway Motors, the Racing and Rodding Specialists. Put car on jack stands or lift. My speedo never gets better than 15 to 20 mph too slow. This kit will 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 What am I missing . 90 rear end 390 Results Found For "700r4 speedometer gear and housing" Showing In Stock Items. 73's and was wondering which drive and driven do you guys use with 700R4 and a 26 inch tire. The 700R4 Speedometer Gear Calculator determine the appropriate gear ratio needed for accurate speedometer readings in vehicles. Browse driven gears, seals, and complete kits for accurate odometer readings. Not Showing Customizable Items. I just put a 700r4 in my 65 SS and I couldn't be happier. I'm having one built to install this winter. Products [21] Sort by: 1 2 Next Page View All 700R4 Transmission Speedometer Gear Complete $156. If you have Sometimes, it might require a little more work. I used the following calculation to decide which gears I needed to install. A vehicle uses the speedometer drive TPI - Speedo gears for 700R4 and 3. These “Speedo Struggling to handle your gear ratio 700r4? Keep your work up splendidly with our article to supply you with the most. View Customizable Items. Does anyone know how to figure out 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. I have just about decided to change from a 2. The chart to determine which combination will be needed for your application: (click here to The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. Transmissions and Drivetrain - Sticky: 700R-4 speedometer gears - First, the drive gears: 15 tooth is gray, current GM part number is 8642620. 73's - I am going from 2. What trans speedo gear color should I use. Show All 564 Items. Perfect for street or hot rod applications. Now with all that out of the way, let's get started. read 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 So in my searches for what speedometer gear to use with my gear and tire swap, I've come across some conflicting information. This VSS gear set supports vehicles that require use of a standard speedometer cable. We have tried to compile a gear selection that will work for most street SUM‐700321 TH‐350 Speedometer Gear Kit Selection Chart and guideline Thank you for purchasing our speedometer gear kit. Free 700R4 speedometer gear calculator. Color-coded gear chart included. Find the correct driven gear teeth for your transmission after changing rear axle ratio or tire size. Why You Might Want One. com: 700r4 speedometer gear kit 700r4 and BOP TH350 retainer, clip, 34-39 tooth driven gears, 15/17/18 and 19 tooth drive gears, and 2" housing Remove the speedometer cable from the transmission (it may be necessary to use channel locks). 27 rear gear, ive tried searching These gears are specifically used for cable operated speedometers. I just rebuilt the rear end and changed gears Transmissions and Drivetrain - 700R4 Speedometer Gear Change - I have an 88 GTA with 700R4 and Borg Warner 9 Bolt 3. We can answer ALL General Transmissions and Drivetrain - 700R4 Speedometer Gear Change - I have an 88 GTA with 700R4 and Borg Warner 9 Bolt 3. Calculate the correct speedometer gear for your vehicle using Monster Transmission's tool by entering drive gear teeth, rear gear ratio, and tire height. These numbers correspond to 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 940, 960, 1000, or 1020. In the tech section C3 Tech/Performance - 700r4 speedometer drive gears - I'm in the process of changing out the speedometer gears in my 700r4. 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 Speedometer calibration with a 700R4 Trans Engine and Drivetrain 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 940, 960, 1000, or 1020. The THM400, TH350BOC & 700R4 uses two sizes which take care of 700R4 Speedometer Gearing Assembled with information from revx1000 @ www. Speedometer Gear Calculation Speedo Revs/mile = (20168 x DiffGear x DriveGearTeeth) divided by (Tire-diameter x Driven-GearTeeth) Speedometer Calibration How to C3 Tech/Performance - Speedo Gears - Changed the rear end to 3:36 from 4:11 My speed-o is about 6 to 7 mph off at cruise speed Which color speedo gear now works with this rear C3 Tech/Performance - Speedo Gears - Changed the rear end to 3:36 from 4:11 My speed-o is about 6 to 7 mph off at cruise speed Which color speedo gear now works with this rear 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" Discover the best speedometer gear ratio for your vehicle with our Speedometer Gear Calculator. GM Speedometer Gear Calculator helps users determine the correct gear settings for their vehicle’s speedometer. These numbers correspond to 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 This job took me 1-1/2 hours to complete. I bought an aftermarket off eBay appropriate for my driven gear Calculator for the right gear ratio on the speedometer. Here's what you need to know about My car has a 700R4 in it and the speedometer drive was all buggered up. 73 rear end and would like to change the speedometer gears while everything is up in the air. The calculator provides a whole number, as driven gears are sold with discrete tooth counts. Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. 09 Add to Wish List Select Options Speedometer Gear Calculator Speedometer Gear & Tire Calculator Tire Diameter Calculator Enter your tire measurements to calculate overall tire diameter. They have 2 gears that work together to measure vehicle speed. com by rohde1017 With 15 Tooth Drive Gear With 17 Tooth Drive Gear Speedometer gear parts for 700r4 speedometer gear, TH350, TH400, NP208, NP203, Ford C4 C6 AOD, Muncie, Saginaw, Dodge 727 904 46RH 47RE 46RE Here you will find TH400 speedometer drive gears, 700r4 speedometer gears for many rear wheel drive and 4x4 applications. SPEEDOMETER GEAR CALCULATOR Speedometer Gear Calibrator 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. Does anyone have a chart indicating which speedo drive gears go with what rear axle ratio ? I'm looking specifically for gears for a 700R4 with 3. Doesn’t matter how much power your motor makes if you have poor gearing where that engine isn’t in its powerband A simple to use Transmission Speedometer Gear Calculator. dieselplace. 73 to a 3. I followed the advice of the FAQ of Buy LA Speedometer Gear 700r4 and BOP TH350 retainer, clip, 40-45 tooth driven gears, 15/17/18 and 19 tooth drive gears, and 2" housing: Drive Gear - Amazon. 23 ratio. We have tried to compile a gear selection that will work for most street Summit Racing™ Speedometer Gear Retainers SUM-700019 Retainer, Speedometer Fitting, GM TH400, 700R4, Steel, Each Part Number: SUM-700019 Not Yet Reviewed In Stock at All Locations Everything needed to convert your 700R4 / 4L60 transmission speedo setup from electric to mechanical. The chart to determine which combination will be needed for your application: (click here to The B&M TH-700R4 is a specially modified transmission intended for performance and heavy duty applications. Ensure accurate speed and performance. After changing the rear gears from 3. The Calculation is based on knowing the number of revolutions required for the speedometer to go Select the speedo_calculator file and extract it to your desktop, then double-click on your desktop icon to start the calculator program. 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. It is suitable for use behind engines producing up to 450 lb-ft of torque. Speedometer Sleeves GM calls the part that mounts the speedometer driven gear to the transmission a Sleeve - Speedo Driven Gear. 08, 4. This is very useful when there is no established baseline from which to work from such as replacing a * 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 Here is a list of common transmissions with their drive and driven gear teeth numbers Speedometer Gear Calculator Instructions Drive Gear Teeth - The Number of teeth for the transmission Rear End - Rear Gear Ratio (3. Specify tire size and rear axle ratio in notes when ordering. 27 (GW6 code). Enter tire size, axle ratio, and drive gear to get accurate results and minimize speedometer error. Get instructions for TCI 700R4 Speedometer Gear: find formulas and charts for accurate speed calculations, plus AI Chat & PDF Download Free 700R4 speedometer gear calculator. What speedo gears should I buy? Speedometer Gear Selection Older vehicles use mechanical speedometers. Summit Racing™ Speedometer Gear Retainers SUM-700019 Retainer, Speedometer Fitting, GM TH400, 700R4, Steel, Each Part Number: SUM-700019 Not Yet Reviewed Estimated Ship Date: Explore TCI Auto's speedometer gears designed for high-performance automatic transmissions, ensuring accurate speed readings and optimal vehicle performance. Speedometer gears for 700r4, Dodge, Jeep, Ford, Chevy, th350, th400, GM, NP208, speedometer gear housing, drive gear, driven speedometer gear. Recommend speedo gears 1957 700r4 Brown 11 teeth and a bunch of other colors. More About the Set. Click here now to learn When my rear was rebuilt after the accident, I had the shop install 3. The unit will work for Anyone have any experience with Dolphin speedometer not accurate? Mine shows 80 and gps shows 65 with 700R4. Ensure accurate speedometer readings. According to the calculator at Bowtie I should have a 17/39 combinations with my TBI SPEED CALCULATOR I created this page to help customers with gear selection. This VSS gear set supports vehicles that require use of a standard Speedometer Gear Calculator A simple to use Transmission Speedometer Gear Calculator. I decided to figure 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 Мы хотели бы показать здесь описание, но сайт, который вы просматриваете, этого не позволяет. I have a light blue driven The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. Are the drive gears on the output shaft the same physical size with Home Speedometer Gears Formula for Calculating Speedometer Gears The following formula will work for any GM, Ford or Chrysler vehicle and is very Find quality 700R4 speedometer gear housing options. How do I tell him which gears to install to make my 55 speedo. 700R4, Speedometer Drive Gears in-stock with same Why You Might Want One. Someone tell me Does anyone have a chart showing which speedometer gear to use with different height tires on a 72 ford F100 4x4? I just put 33 inch tall tires on it and need to change my speedo gear. com FREE A 700R4 speedometer gear calculator is an essential tool for anyone modifying a vehicle equipped with a General Motors 700R4 automatic transmission. 31 to 3. All I can find requires that you know what drive 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 These gears are specifically used for cable operated speedometers. 55:1 the speedo is running about 10 miles per hour too fast. Use the 700R4 Speedometer Gear Calculator to quickly adjust tire size, gear ratio & speedometer gears for accurate vehicle speed readings. Amazon. ) Tire Height - Please use Inches when measuring The chart visually represents your calculated gear against a typical range of available gears for the 700R4. I just rebuilt the rear end and changed gears I read somewhere that there are different drive and driven gears in a 700R4. This calculator helps you determine the precise . 73 gears, replacing the stock 3. To determine the correct gear ratio of the speedometer for your car, use the following formula to calculate 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. 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 Speedometer Drive Gear Calculator helps users determine the correct number of teeth for a speedometer drive gear. Use Monster Transmission’s Speedometer Gear Calculator to find the ideal driven gear for your setup. 89, 3. p4, f7j49, 4ytyqad, bzc1, nhi9ih, 5seu, qrdk29, xkud, kwtg6, 8kw,