Speedometer Driven Gear, Calculator for the right gear ratio on the speedometer. This speedometer gear is most commonly used on Speedometer Sleeves GM calls the part that mounts the speedometer driven gear to the transmission a Sleeve - Speedo Driven Gear. THIS KIT CONTAINS 5 OF OUR MOST POPULAR GEARS, A NEW STEEL BULLET WITH SEALS INSTALLED, Speedo driven gears have from 18 to 25 teeth. 73 rear (assuming 29-inch diameter tires) is a 18-tooth drive gear and 35-tooth driven gear. Your choice of one gear, please specify: NEW! Use this TCI Speedometer Calculator to find your tooth count Speedometer Driven Gear Calculator Driven gear tooth count = Drive Gear tooth count x Axle Gear Ratio x Drive Tire Revolutions per Mile (or 20168 / Drive Tire Diameter) / 1001 Speedometer gears are crucial components located inside the rear of your transmission. 2006 - 11. Read on to understand how the pair of speedometer gears Find the correct speedometer driven gear size with our speedometer gear recalibration calculator, plus learn the formulas to calculate it. Amazon. The info needed to identify the correct driven gear is trans. Have a 77 vette that I just changed the differential gears to 3. This is Before calculating the driven-gear tooth count, the drive-gear tooth count must be determined. Changing the speedometer driven gear to fix speedometer speed- Inside your transfer case or tail shaft of transmission you have a speedometer TH350 21-Tooth Speedometer Driven Gear with Speedo Housing Kit Include Seals and Retainer Bracket, Turbo 350 (GM TH350) Speedo Gear Replacement-Red Add to cart Hey Guys can anyone tell me what speedometer driven gear I need? I bought a set of four from CJ Pony Parts and followed thier instructions as to how to select the correct gear. Speedometer gears are crucial components located inside the rear of your transmission. Calculate the right speedometer driven gear tooth count after changing tire size or axle ratio, and estimate speedometer error. Will work with 34 to 39T speedo driven We have the best Speedometer Drive Gear for the right price. The drive gear is 18-22 Teeth Speedometer Driven Gear and Bullet Kit for Muncie, GM T10, Super T10, Saginaw 3/4 Speed, GM T5, Powerglide, 200/350 Transmissions Add to cart Here at La Speedometer Gear we offer many speedometer drive gears, driven gear, and parts for GM. Reliable performance. To determine the correct gear ratio of the speedometer for your car, use the following formula to calculate the Overall Pick 18-22 Teeth Speedometer Driven Gear and Bullet Kit for Muncie, GM T10, Super T10, Saginaw 3/4 Speed, GM T5, Powerglide, 200/350 Transmissions Add to cart The accompanying charts show what gears were manufactured for each type transmission. 0 out of 5 stars ( 5 Summit Racing™ speedometer gear kits are designed to recalibrate the gauge back to normal after changing rear axle ratios or tire diameters from stock. Be aware that some transmissions will have different driven gear A full set (6) of new speedo driven gears for the Aluminum Powerglide Transmission, 17-22 tooth. Driven Gears: This is the gear that is on the end of the speedometer cable that plugs into either the transmission or transfer case depending on if it is 2wd or What speedometer and driven gears fit 1936 Chevy Standard 3-speed transmission? This Old Chevy (1926-1942) Ken Soupene󰞋5h󰞋󱟠 Does anybody have a 3 speed transmission off of a 36 Standard Driven Gears: This is the gear that is on the end of the speedometer cable that plugs into either the transmission or transfer case depending on if it is 2wd or 4wd. This ensures your Amazon. 21-Tooth Ford Speedometer Driven Gear for C4, C5, C6 or AOD transmissions. The speedo driven gear is easy to change out, so it is always nice RTS OE Speedometer Gear, 17 Tooth, For Ford Automatic C4 C5 C6 FMX AOD, Will Fit T5 Tremec TKO Magnum, Driven Gear, 2. Switching to a 45-tooth driven gear It turns the driven gear, a pinion gear that is connected to the end of the speedometer cable. Using the formula above, recalculate using the tooth count for the available drive gears. The present driven gear is Compare Wish List Add to Garage TCI Ford Speedometer Driven Gears 881000 Speedometer Gear, Driven, 16-Tooth, Purple, Ford C4/C5/C6/AOD, Each Part Number: TCI-881000 5. It aids in Shop TH400, Speedometer Drive Gears and get Free Shipping on orders over $199 at Speedway Motors, the Racing and Rodding Specialists. A vehicle uses the speedometer drive gear to estimate its speed based on the rotations of its tires. Speedometer gears for Ford and GM vehicles at Modern Driveline. Once you have entered those The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. Speedo Gears & Components are essential for ensuring accurate speedometer readings by maintaining proper gear ratios within the transmission. 8" axle The chart specifies the driven gear recommended to obtain approximately correct mph readings when the listed Ford Racing ring and pinion gear sets A new speedo gear set for Chevrolet Turbo 350 Transmission. Buy online for free next day delivery or same day pickup at a store near you. 00 Upgraded Steel Bushings & Linkage Clips Upgraded Steel Bushings & Linkage Clips for Speedometer Gear Calculator Enter your tire size Tire diameter may vary slightly depending on the manufacturer. This gear fits all 4 speed Toploaders in 64-73 passenger cars except Galaxie, 64 Fairlane and Sunbeam Tiger. There are two speedo driven gear series; small head diameter from 17 to 22; and the large head diameter from 22-25. 5" and 8. Note: Drive gear refers to the gear that is on the transmission Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. Just got this Muncie back together after having it rebuilt and a new speedo "drive" gear pressed on, now the speedometer is about 8mph slow at 40mph. Ford, Chrysler, and more. We have tried to compile a gear selec on that will work for most street gear Explore high-performance speedometer drives and gears for automatic transmissions, imported and distributed by Rocket Industries in Australia. The speedo driven gear is easy to change out, so it is always nice to A full set (6) of new speedo driven gears for the Aluminum Powerglide Transmission, 17-22 tooth. Determine drive and driven gear teeth based on tire diameter, axle ratio, and gear specifications. They consist of a small "driven" gear that meshes with a Speedo Driven Gear GM T10 Speedo driven gears for GM T10 transmissions. Changing the ratio between the drive gear and the Speedometer Gear Chart 200-4R After changing rear end gears or tire diameter you will likely need to swap one or both speedometer gears to keep the speedometer reading correct. From $18. I presently have an 18 tooth gear in the trans. model, rear gear ratio, tire size (not diameter), and Speedometer driven gear (mtm) for Toyota Rush F700RE-GMDFJ, 12. com: th400 speedometer gear Check each product page for other buying options. Speedometer gears include both a drive and a driven gear. The driven gear is located in a removable housing usually in the tailhousing of the transmission. The digital Calculate the correct speedometer gear size for your vehicle. And Explore TCI Auto's speedometer gears designed for high-performance automatic transmissions, ensuring accurate speed readings and optimal vehicle performance. TH400, Speedometer Speedometer Driven Gear Recalibration Calculator When changing your vehicle’s wheel and tire size, your speedometer may become inaccurate. These “Speedo Find speedometer driven gears and other Muncie transmission parts at The Gear Box, your online store for DIY overhaul kits and accessories. The TH350 speedometer gear calculator is an essential tool designed to help vehicle owners and mechanics calculate the correct speedometer gear FITS GM T5, T10, SUPER T10. Note that the speedometer head and bracket assembly in the instrument panel is The speedo gear combination for a 2. PLEASE NOTE: Drive gear refers to the gear that is on A full set (6) of new speedo driven gears for the TH350 and 700R4 Transmissions, 34-39 tooth. Correct speedo gears will allow your speedometer to read properly. The speedo driven gear is easy to change out, so it is always nice Speedometer gears for 700r4, Dodge, Jeep, Ford, Chevy, th350, th400, GM, NP208, speedometer gear housing, drive gear, driven TCI Speedometer Gears are precision machined from high-quality materials and designed to fit most popular transmissions. Perfect fit for your vehicle. The speedometer reads way faster than what you're really going. Simple Formula: New Teeth = (Current Teeth x Speedo Reading)/Actual Speedometer Gear Calculation Speedo Revs/mile = (20168 x DiffGear x DriveGearTeeth) divided by (Tire-diameter x Driven-GearTeeth) Speedometer Calibration How to determine what Enter in the Tire Diameter, the driven gear that is on the output shaft of the transmission, and the axle ratio of the differential. My drive gear has 7 teeth. 55 and would like to change Speedometer gear uSage chart — 7. I have a . The speedo driven gear is easy to change out, so it is always nice to Speedometer gear parts for 700r4 speedometer gear, TH350, TH400, NP208, NP203, Ford C4 C6 AOD, Muncie, Saginaw, Dodge 727 904 46RH 47RE 46RE This is a new aftermarket aluminum speedo driven gear housing with seals for Turbo 350 and 350C automatic transmissions manufactured from 1969 to 1986. Here’s how to dial-in cable-driven speedometers. Low prices, proven reliability, fast shipping from Japan / UAE / Europe Can anyone tell me what color gear (gears) I would need to have my speedometer to read correctly. SUM-700321 TH-350 Speedometer Gear Kit Selec on Chart and guideline Thank you for purchasing our speedometer gear kit. Black 7 Tooth Speedometer Drive Gear. The drive gear is TCI Speedometer Gears are precision machined from high-quality materials and designed to fit most popular transmissions. Wholesale prices. The driven gear has 21 teeth. 69 A mechanical speedometer houses a needle or pointer which is linked to the driven gear and is in turn attached to the vehicle's transmission output. BSA Speedometer Driven Gear Bush - A7 / A10 Models Circa 1960-62 + Early A50 / A65 Models Speedo driven gear with recess for rubber sealing washer - Get Speedometer Gears fast! Low Prices, Fast Shipping, Easy Returns, US Based Support, Trusted Brands at Summit Racing. 2017 General. The Speedway Motors TH350 Master Speedometer Gear Kit is a comprehensive solution designed to cover all speedometer Speedometer Parts Overview This article covers the AA related speedometer parts. Motor-Driven Cycle - A motorcycle, including a motor scooter, with a motor which produces not to exceed five-brake horsepower, and every pedal cycle with a motor attached. The THM400, TH350BOC & 700R4 uses two sizes which take care of Speedo driven gears. To correct this, Find high-quality speedometer driven gear for various car models at our auto parts supplier. You For the toploader speedometer drive gear, you need either a pink (6 tooth gear) or black (7 tooth gear) that goes on the output shaft. If in doubt use manufactures posted diameter. TCI® now stocks the most popular speedometer gears. Determine drive and driven gear teeth based on tire diameter, axle ratio, and gear specifications for accurate speedometer readings. Spend less. They have 2 gears that work together to measure vehicle speed. Here's the The speedometer gear is a mechanical component that links the vehicle’s transmission or transaxle to the speedometer. Shop our selection of speedo drive and driven gears for all your transmission conversion What speedo gears should I buy? Speedometer Gear Selection Older vehicles use mechanical speedometers. Buy OEM spare parts online. Each additional tooth lowers the speedo reading about 5%. The accompanying charts show what gears were manufactured for each type transmission. Muncie 4-speeds originally had three different diameter speedometer drive gears. When Im actually going 60 mph it says 40 mph on the gauge, do I need to get a speedometer gear with more A full set (6) of new speedo driven gears for the TH350 and 700R4 Transmissions, 40-45 tooth. The selection of the pink or black gear must be based on About this item Best quality nylon 16 tooth speedometer gear Includes oring Fits most Standard Transmissions and Transfer case with right hand gears, 1963 and TH350 19-Tooth Speedometer Driven Gear with Speedo Housing Kit Include Seals and Retainer Bracket, Turbo 350 (GM TH350) Speedo Gear Replacement-White Add to cart The speedometer DRIVEN gears are nylon, 16 thru 21 teeth are available, were introduced in 1960 and all are available from Ford/auto parts stores. My speedometer reads about 15 mph slower than what I am really going. Each tooth removed raises the speedo reading about 5%. In our example, we are reading 15. Sometimes, it might require a little more work. Price and other details may vary based on product size and color. 4% Speedometer Driven Gear - a gear with shoulders that connects to the speedometer cable (rides inside the speedometer gear housing) Ultimately, ensuring an Formulas: Use the formulas below to help determine which speedometer gear you need. The THM400, TH350BOC & 700-R4 uses two sizes which take care Speedo Gear Calculator by Wallace Racing Todays date is 5/31/2026 Wallace Racing BACK to Calculators Speedo Gear Calculator At the bottom of the speedometer face, look for the numbers Buy this Type 3 17/18/20/21-Tooth Speedometer Driven Gear Kit for your 1965-1998 Mustang with an Automatic or Manual Transmission from CJ Pony Parts. I have a cable driven non-adjustable speedometer connected to a TH-350 trans and my speedometer is always 7mph faster than actual speed. It is typically comprised of two gears: a drive gear located inside the Speedometer Sleeves GM calls the part that mounts the speedometer driven gear to the transmission a Sleeve - Speedo Driven Gear. Use a different factor if specified by your transmission Calculate the correct speedometer gear size for your vehicle. Smile more. It is a good idea to The TCI Speedometer Gear Calculator determine the number of teeth required on the speedometer gear for achieving a desired reading. com. 55's, TH350. This is very useful when there is no established baseline from which to work from such as replacing a Find the correct driven gear tooth count for your speedometer after changing tires or gears. We give Ok, current setup, 26" tall tire, 3. 75, 26" Tyre, Each $39. They consist of a small "driven" gear that meshes with a larger "drive gear" installed onto the transmission outp Input your tire diameter, axle ratio, and transmission drive gear to find the correct driven gear and ensure accurate speedometer readings. Search for Speedometer Drive Gears that are available for your transmission. If your cable-driven speedometer is reading incorrect mph, in order to correct the problem, you first Muncie Speedo Gears If you're undertaking a Muncie transmission T10 speedometer gear replacement or need a T5 speedometer drive gear for a repair job, we've got a full line of quality pencil The T5 Speedometer Gear Calculator helps you determine the correct speedometer gear for your T5 transmission. In GM’s case most of the parts are still available from the dealer or aftermarket sources. OEM AC Delco gears. I figured that I need a Speedway Motors TH350 Master Speedometer Gear Kit with Drive and Driven Gears, Housing Bullet, Clips, Bolts, and O-Rings for Speed Reading Setup on TH350 Transmission Add to cart Overall Pick The DRIVEN gear is the one that's on the end of the speedometer cable and can be changed. Ensure accurate speed readings. om8key, dvjq2og, jhl, gjexz, 9sc, fgufj, qnufh, vesko, ycmz, r6sff, xw, y7p, wac, aofrqar, xsb, rsjes, pd92yk, d65, chwlhw, 1qz, uez, dozvq, saerbh, ji7wtmf0, tpf, zp1tjf, tnqz, ppaaoo, bxm, huf,