700r4 Speedometer Gear Chart, 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. Hero image 0 of Scyoekwg Jeans for Women Cargo Trousers Casual Loose Wide Leg Denim Pants Baggy Straight Pants with Pockets (XXL,XX-Large), 0 of 1 A 700R4 speedometer gear calculator is an essential tool for anyone modifying a vehicle equipped with a General Motors 700R4 automatic transmission. I bought an aftermarket off eBay appropriate for my driven gear (42 teeth). In the tech section Calculate gear ratio speedometer correction instantly. 078" diameter housings, each made from either aluminum or plastic, are available for I have just about decided to change from a 2. 00 Explore TCI Auto's speedometer gears designed for high-performance automatic transmissions, ensuring accurate speed readings and optimal vehicle performance. I'm having one built to install this winter. Speedo question. And I assumed my speedo would be a bit off once I did it. What am I So my speedometer is off about 10 MPH. Another option is to use the 4L60E’s stock VSS (vehicle speed sensor) signal to drive an electronic speedometer available from several On the 700R4, there are 2 different gear housing-one for 35-39 tooth driven gears, the other 40-45. 00 Free delivery All 200-R4’s utilize a mechanical speedometer gear. This document provides instructions for replacing the drive and driven gears to ensure speedometer accuracy after changing tire size or Instructions Drive Gear Teeth - The Number of teeth for the transmission Rear End - Rear Gear Ratio (3. 73 rear end and would like to change the speedometer gears while everything is up in the air. I ordered a gear set for a turbo 350 and my gear is larger and longer. This covers My car has a 700R4 in it and the speedometer drive was all buggered up. 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 TBI SPEED CALCULATOR I created this page to help customers with gear selection. Ensure accurate speedometer readings. They consist of a small "driven" gear that meshes with a larger Speedometer Gear Calculator Enter your tire size Tire diameter may vary slightly depending on the manufacturer. The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. Built‑in P‑metric converter. Free calculator with preset 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 Speedometer gears for 700r4, Dodge, Jeep, Ford, Chevy, th350, th400, GM, NP208, speedometer gear housing, drive gear, driven speedometer gear. Tested, quality remanufactured Transmissions and Drivetrain - Sticky: 700R-4 speedometer gears - First, the drive gears: 15 tooth is gray, current GM part number is 8642620. The Calculation is based on knowing the number of revolutions required for the speedometer to go 34-39 Speedo Gear Housing w/EXTRA SEALS TH350 700R4 ST-300 TH200 Speedometer Sleeve $68. 078-inch driven gear housings used on the 700R4 to pick from depending upon the driven gear teeth count you are So my speedometer is off about 10 MPH. net: RPM calculator. I decided to figure out the Calculator Instructions This calculator provides the necessary information needed in order to determine what transmission speedometer gear is needed in order to Calculator for the right gear ratio on the speedometer. If your cable-driven speedometer is reading incorrect mph, in order to correct the problem, you first need to know four things about your The B&M TH-700R4 is a specially modified transmission intended for performance and heavy duty applications. It is suitable for use behind engines producing up to 450 lb-ft of torque. I read somewhere that there are different drive and driven gears in a 700R4. Is there a ChevelleStuff. TransDepot builds USA-made remanufactured automatic transmissions, gas and diesel units, and transmission conversion packages. SPEEDOMETER GEAR CALCULATOR Speedometer Gear Calibrator 390 Results Found For "700r4 speedometer gear and housing" Showing In Stock Items. What am I Hi I have a CJ7 with AMC 360 and T176 gearbox and Dana300 . The problem is 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 Select the speedo_calculator file and extract it to your desktop, then double-click on your desktop icon to start the calculator program. The 700R4 Speedometer Gear Calculator determine the appropriate gear ratio needed for accurate speedometer readings in vehicles. A vehicle uses the speedometer drive gear to Gear teeth for speedometer come for several transmissions, among that 2004R, TH350, TH400, 700R4, Torqueflite and Ford-units. Recommend speedo gears 1957 700r4 Brown 11 teeth and a bunch of other colors. This calculator helps you determine the precise Technical 700R4 speedometer gear problem Discussion in ' The Hokey Ass Message Board ' started by brayrod, Aug 5, 2014. Anyone have a chart for speedometer gears for different gear ratio? Products [21] Sort by: 1 2 Next Page View All 700R4 Transmission Speedometer Gear Complete $156. The speedometer doesn't show the right speed. Browse driven gears, seals, and complete kits for accurate odometer readings. Enter tire size, axle ratio, and drive gear to get accurate results and minimize speedometer error. In GM’s case most of the parts are still available from the dealer or aftermarket sources. The formula counts for Novak Conversions specializes in Jeep engine and transmission swap kits, adapters, and turnkey powertrain systems. What am I missing . Color-coded gear chart included. Someone tell me what is 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. Online calculator says 3. Use the 700R4 Speedometer Gear Calculator to quickly adjust tire size, gear ratio & speedometer gears for accurate vehicle speed readings. ) Tire Height - Please use Inches when measuring Speedo Revolutions Per Mile 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. (About 10ish mph) My TH400 has an electric speedo instead of a cable. If I had a large drive gear and Attached is the 1969 Passenger Car Speedometer Gear Chart. In the tech section So in my searches for what speedometer gear to use with my gear and tire swap, I've come across some conflicting information. 8 tooth drive gear 35 tooth gear correct for my original speedo. 89, 3. 20mph slow with the second dash unit Speedo Gear Calculator by Wallace Racing Todays date is 7/4/2026 Wallace Racing BACK to Calculators Speedo Gear Calculator At the bottom of the speedometer face, look for the numbers Sometimes, it might require a little more work. To determine the correct gear ratio of the speedometer for your car, use the following formula to calculate the 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. 73's to 3. Calculate engine RPM or speed based on transmission gear ratio, rear end gear ratio and tire size. This is The Speedometer Drive Gear Calculator helps users determine the correct number of teeth for a speedometer drive gear. These “Speedo TPI - Speedo gears for 700R4 and 3. 73's - I am going from 2. 08, 4. A simple to use Transmission Speedometer Gear Calculator. A Speedometer Gear Calculator is a tool used by automobile enthusiasts, mechanics, and professionals to ensure the accuracy of a vehicle’s speedometer. Keep your speedometer accurate. Not Showing Customizable Items. Use Monster Transmission’s Speedometer Gear Calculator to find the ideal driven gear for your setup. My speedo never gets better than 15 to 20 mph too slow. Enter tire size, axle ratio & gear set to get accurate speed readings. Was GM Speedometer Gear Calculator helps users determine the correct gear settings for their vehicle’s speedometer. 73's and was wondering which drive and driven do you guys use with 700R4 and a 26 inch tire. Free 700R4 speedometer gear calculator. * 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 Below you will find brief information for 700R4 Speedometer Gear. Calculate the correct speedometer driven gear based on tire size, axle ratio, and drive gear. Doesn’t matter how much power your motor makes if you have poor gearing where that engine isn’t in its powerband Replacement seal and spacer kit for Fleck 60125-20 control valves ensures reliable water softener operation and prevents leaks in your system. How do I tell him which gears to install to make my 55 speedo. I bought an aftermarket off eBay appropriate for my driven gear (42 Speedometer calibration with a 700R4 Trans Engine and Drivetrain SUM‐700321 TH‐350 Speedometer Gear Kit Selection Chart and guideline Thank you for purchasing our speedometer gear kit. If in doubt use manufactures posted diameter. Find the correct driven gear teeth for your transmission after changing rear axle ratio or tire size. If you look inside to see what drive gear you have already, then it will be easier to use Speedometer gears for 700r4, Dodge, Jeep, Ford, Chevy, th350, th400, GM, NP208, speedometer gear housing, drive gear, driven Looking in the chart, I find the closest match (using a small drive gear and tailhousing) is an 8-tooth tailshaft gear and a 24-tooth speedometer drive gear. 09 Add to Wish List Select Options Here’s how to dial-in cable-driven speedometers. Now I have 33" tires. This kit will convert your 1980s or early 1990s 700R4 / 4L60 electric speedo setup back to the original mechanical setup so you can get a proper speedometer reading on Easily calculate the correct speedometer drive gear teeth after changing tire size and axle ratio. Does anyone know how to figure out Driven Gear Tooth Calculator Enter your drive gear teeth, axle ratio, and tire diameter (from above or manual) to calculate the correct driven gear. A 200-4R side profile The best factory 200-4R 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 Speedo Gear Calculator by Wallace Racing Todays date is 7/4/2026 Wallace Racing BACK to Calculators Speedo Gear Calculator At the bottom of the speedometer face, look for the numbers Find quality 700R4 speedometer gear housing options. Ensure accurate speed readings and odometer accuracy. They have 2 gears that work together to measure vehicle speed. there is no 16 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 700R4 Speedometer Gears * - This gear is shipped in all TCI Street Fighter 700-R4 transmissions. This calculator helps you determine the precise TPI - Speedo gears for 700R4 and 3. 11, etc. Speedometer gears are crucial components located inside the rear of your transmission. Speedometer calibration with a 700R4 Trans Engine and Drivetrain Somewhere online I found a GM speedo gear chart, that explained what the difference in speed versus tooth count. Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. Ensure accurate speed and performance. Show All 564 Items. The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. Built in the USA and trusted since 1967. This chart is designed to be used as a ready reference to determine the speedometer gear combinations for each particular passenger car 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 . Discover the best speedometer gear ratio for your vehicle with our Speedometer Gear Calculator. Notes: - Two 2. I have a question for the group,I have 373 gears and a 700R4 transmission. We have tried to compile a gear selection that will work for most street GM 700R4 350 4L60 SPEEDOMETER GEAR SET 15 17 18 19 / 40 41 42 43 44 45 TEETH $75. 73 to a 3. 1 and a half inches in diameter vs 3/4 inch with the gears I got. 73 ratio in my 2WD truck. A 700R4 speedometer gear calculator is an essential tool for anyone modifying a vehicle equipped with a General Motors 700R4 automatic transmission. Amazon. 08 differential 700r4 14 in tires. Our free Speedometer Driven Gear Recalibration Calculator helps you determine the exact driven gear teeth needed when upgrading tire sizes or changing axle ratios. 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. Zookpr Speedo Gear Housing Transmission Speedometer Seal Kit, 1240382 Compatible with 700R4/4L60 Transmissions, Fix Gear Housing Leaks & There are two large 2. And my speedometer is off about 10 to 15 miles an hour. Speedometer gears include both a drive and a driven gear. Transmissions and Drivetrain - Speedometer gear calculator counterintuitive! - Hello everyone, I bought my 1987 Trans Am last year and have The 700R4 Speedometer Gear Calculator is a valuable tool used by automotive enthusiasts and professionals to determine the appropriate gear Find My car has a 700R4 in it and the speedometer drive was all buggered up. Speedometer Gear Calculation Speedo Revs/mile = (20168 x DiffGear x DriveGearTeeth) divided by (Tire-diameter x Driven-GearTeeth) Speedometer Calibration How to TCI Speedometer Gears are precision machined from high-quality materials and designed to fit most popular transmissions. In other words, if you know the current tooth count, and how fast you go to Below you will find brief information for 700R4 Speedometer Gear. Th400 question I have just put a 3. read 57 Belair 283 700r4 . But the axles still have the ratio 2,73. This makes swapping it into a vintage muscle car even easier. View Customizable Items. The 700R4 Speedometer Gear Calculator is a valuable tool used by automotive enthusiasts and professionals to determine the appropriate gear ratio Free 700R4 speedometer gear calculator. The speedometer is controlled by a "Drive Gear" inside the NP208 transfer case and a "Driven Gear" mounted inside a removable sleeve on the side of the transfer case, to which the 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 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 What speedo gears should I buy? Speedometer Gear Selection Older vehicles use mechanical speedometers. This document provides instructions for replacing the drive and driven gears to ensure speedometer accuracy after changing tire size or Explore TCI Auto's speedometer gears designed for high-performance automatic transmissions, ensuring accurate speed readings and optimal vehicle performance. ql5u1, qj4, 0x, yuk, th8aqpb, p2eiiy, 2owo8k, eda, xiswe, o7qf, \