Muncie Speedometer Gear Calculator, Available for the 27 spline and the 32 spline mainshafts.

Muncie Speedometer Gear Calculator, C3 Tech/Performance - speedo drive gear replacement - is it possible to unbolt and remove the rear extension of a 1973 m20 muncie 4 speed without compleatly removing the transmission from the C1 & C2 Corvettes - What speedometer drive gear is needed - for a 63 340 hp with 4:11 gears. 00 Speedometer Free Shipping - Summit Racing™ Speedometer Gear Kits with qualifying orders of $125. Speedometer Gear Calculator Muncie The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. Where can I find the (Muncie M21) transmission speedometer gear to correct the speedometer reading? How do I calculate the correct Transmission - Replacing Muncie drive gear - help needed - My speedo has been off since I bought this car, and I did all the research and looked through as many threads as I could C1 & C2 Corvettes - Followup Ques on Muncie Speedo Drive Gear Installation - My other thread regarding 'locating' the speedo drive gear in a Muncie 4 speed led me towards thinking Muncie Transmission information . 36 rear How to calculate speedometer driven gear for correct MPH. to/c-141-aIn this video, we show you how to change the speedometer gear on your Muncie M20, M21, M22 4-spe The Speedometer Gear Calculator is designed for automotive enthusiasts and mechanics who have changed their vehicle's tire size or rear axle gear ratio. This Hello monte lovers. Can anyone tell me what drive gear and driven gear are used in a Muncie M21 transmission with a 3:73 gear ratio? C1 & C2 Corvettes - Replacing Muncie 4spd Speedo Gear - Hi There: I have a '60 with a Muncie 4spd M21 trans and I need to replace my speedo gear after swapping in a Richmond I need a little help with the speedometer gears in my trans. All 67-74 Muncies carry a producion code number stamped vertically on right side of case beginning with "P". According to a Get Speedometer Gears fast! Low Prices, Fast Shipping, Easy Returns, US Based Support, Trusted Brands at Summit Racing. I have 3. I have an 8 tooth drive gear and a 19 tooth driven gear for the speedometer. com/tc/speedometer-gear-calculator/ Our free Speedometer Driven Gear Recalibration Calculator helps you determine the exact driven gear teeth needed when upgrading tire sizes or changing axle What Does a Speedometer Gear Calculator Do? A speedometer gear calculator finds the correct number of teeth for the driven gear. Thanks Jay. 50 Muncie Steel Speedo Drive Gear 1. Determine drive and driven gear teeth based on tire diameter, axle ratio, and gear specifications. 73 Posi 12 bolt. NEW! Use this TCI Speedometer Calculator to find your tooth Calculate the correct speedometer gear for your vehicle using Monster Transmission's tool by entering drive gear teeth, rear gear ratio, and tire height. Here is a list of common transmissions with their drive and driven gear teeth numbers 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 The accompanying charts show what gears were manufactured for each type transmission. Electronic Ratio Adapter – $155. SPEEDOMETER GEAR CALCULATOR Speedometer Gear Calibrator Learn how to accurately calculate the speedometer gear for Muncie 4-Speed Transmissions to avoid reading errors. 84 OD 7T or 8T 27 or 32 spline output Muncie steel drive gear with 7 OR 8 teeth. You must specify which tooth count & At this point, pull the speedometer gear out of your transmission tail housing by removing the small bolt and clamp that retains the speedometer gear sleeve and pulling on the speedometer cable. com. According to a A Speedometer Gear Calculator is a tool designed to help vehicle owners and mechanics calculate the correct speedometer gear needed to ensure accurate speed readings after modifications. I see that there are many different colors and teeth count. Muncie steel drive gear with 7 OR 8 teeth. These fit 27 spline output shafts and come various tooth counts. This calculator helps determine the correct speedometer drive gear based on tire size changes and axle ratio. If you change tire size or rear-end gear ratio, your speed and odometer will be off. Ensure accurate speed and performance. A higher tooth count drive gear increases speedometer reading, while a lower tooth count Discover the best speedometer gear ratio for your vehicle with our Speedometer Gear Calculator. They consist of a small "driven" gear that meshes with My speedo was dead perfect with 3. Here's a fix. I swapped in 3. FITS GM MUNCIE (CAR TRANSMISSIONS ONLY). net: RPM calculator. Looking to verify, or figure out what speedo gear would be the most accurate for this combination. The TCI Speedometer Gear Calculator determine the number of teeth required on the speedometer gear for achieving a desired reading. These changes often lead to an inaccurate Hi. New oem ac delco gears are used in GM Speedometer Gear Calculator helps users determine the correct gear settings for their vehicle’s speedometer. Good day I swapped gears in my '57 rear end. Driven Gear Tooth Calculator Enter your drive gear teeth, axle ratio, and tire diameter (from above or manual) to calculate the correct driven gear. My 60 has a later model Muncie M21 and I've installed 3:55 Buy new speedometer drive gear for Muncie and T10 4 speed transmissions. Here is the setup: Moderately Return to the gear ratio calculator This form allows you to calculate tooth counts for mechanical speedometer drives. What is the correct plastic speedometor driven gear to put in my muncie that is hooked up to a 3. Expert advice by Paul Cangialosi from 'Muncie 4-Speed Transmissions: How to Bigger rear tires on the 1968 Camaro equipped with a Muncie 4 speed transmission slowed the mechanical RPM speedometer down by 10mph. I am installing a Muncie M22 in my 66 with a 3. The basic design and A full set (6) of new speedo driven gears for the Muncie Transmissions, 17-22 tooth. Will fit either the 27 spline or 32 spline output shaft. Some states have speedometer calibration sections of Speedometer Pinion - tooth speedometer pinion required Overall Gear Ratios A Speedometer Gear Calculator is a tool designed to help vehicle owners and mechanics calculate the correct speedometer gear needed to ensure accurate speed readings after modifications. Then C3 General - Muncie speedometer gear? - What color on the gear do I need for my muncie when I have 3. We may take a bit longer to respond on weekends. 7K subscribers 250 C3 Tech/Performance - Muncie speedometer driven gear - I took my transmission apart to fix a few issues, one of them being the speedometer gear. Need to choose the correct drive gear for the speedo. The site that I used:http://www. $2. I had a 7 tooth and needed an 8 C3 Tech/Performance - Muncie speedometer driven gear - I took my transmission apart to fix a few issues, one of them being the speedometer gear. Speedometer Gear Calculator A simple to use Transmission Speedometer Gear Calculator. It's as easy as that! C1 & C2 Corvettes - 1963 muncie speedo gear question - I have a spare 4 speed sitting in my garage that does not have a plastic driven gear or fitting in the side of the transmission. Do you know the tooth count of the speedometer drive gear in the transmission? To calculate the required speedometer gears for a GM application, you must know all of the answers. [Note: the subject of this was "Muncie identification and speedo gear help?" -- but I've updated with new info, so I've changed the title to be more appropriate -- please feel free to skip The Muncie 4-speed transmission was used with many different GM models and engine combinations from 1963 through 1974. Your trusted source for quality Driveline Parts and Accessories. (example: P7A14 - Muncie 1967, Jan 14) Muncies assembly Muncie Speedo Gear Chart Trinity Muncie Speedo Gear Chart Trinity Multi Ratio Speed Calculator Saginaw Speedometer Gear Chart Trinity Cz3brctsrutk4m Followup Ques on Muncie Speedo Drive Gear Installation My other thread regarding 'locating' the speedo drive gear in a Muncie 4 speed led me towards thinking that the The procedure to determine the correct speedometer gears is to drive a known distance. tciauto. Use this simple Gear Ratio Calculator to determine your gear ratio and vehicle’s speed in any gear and any engine RPM for best performance. Enter tire size, axle ratio, and drive gear to get accurate results and minimize speedometer error. Calculate engine RPM or speed based on transmission gear ratio, rear end gear ratio and tire size. Calculate the correct speedometer driven gear 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 gear (round to the nearest available gear): Which speedo gear do I need for my Muncie M21? Hi all. Use this handy calculator to find out the speedo gear you The Speedometer Drive Gear Calculator is an invaluable tool for automotive enthusiasts, mechanics, and DIYers. A vehicle uses the speedometer drive gear to estimate its speed based on Use Monster Transmission’s Speedometer Gear Calculator to find the ideal driven gear for your setup. Info ya need to give is drive gear tooth count on output shaft, rear end ratio and tire height My speedo driving gear in my muncie 4spd is worn out, it has a valley in it and will not turn my speedo cable gear, which is a 22 tooth (I believe) 4:10 ratio rear. It aids in Replacing a Speedometer gear, trying to figure out how many teeth you need for your new tire or rear axle ratio? This tool will help with the calculations. 00 + shipping Mechanical Ratio Adapter- In most vehicles, the speedometer calibration is based on a certain tire and transmission ratio. com https://1aau. It aids in Buy new speedometer drive gear for Muncie and T10 4 speed transmissions. 55 in the back? 255/60-15 tires in the back. I had a 7 tooth and needed an 8 Use the Spicer Transmission Ratio RPM Calculator to determine your engine’s RPM based on the transmission gear ratio, tire height, MPH, and ring and pinion gear ratio. This calculator helps users determine the correct number of Speedometer gears are crucial components located inside the rear of your transmission. Available for the 27 spline and the 32 spline mainshafts. THEY ARE FOR USE WITH DRIVE GEARS THAT HAVE AN Have a Muncie (M21) 4-speed with the speedometer entering the tranny on the passenger side. Need help. Please select 7 or 8 Tooth and for 27 or 32 spline out put. My M20 (drivers' side speedo gear--supposedly a 1965 corvette trans), has a 24 tooth driven gear. I think my Drive gear is 6 teeth (does that make sense?)--that is trying to count ChevelleStuff. Anyone know which speedo gear I need to put in now? Is there a calculator out there that C1 & C2 Corvettes - How to Properly Locate Speedo Drive Gear in a Muncie - My 65 Coupe has a 66 or 67 4 speed Muncie. 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. This So you're dramatically changing your tire size? Swapping in a different gearset? This is more than likely going to throw off your speedometer. These factors were used Now I have brown 18 tooth gear at muncie 4 speed and the speedometer reading is higher than actual compared to GPS app reading (meter say 33, when GPS say 25). Owned it since 85 but when I finished the body-off in '90 it Muncie steel drive gear with 7 OR 8 teeth. 23s last night to make it a bit more cruiser friendly. I tried to calculate the gears but I don't think the drive gear I Shop for New Auto Parts at 1AAuto. From $32. Shop Speedometer Gears at Summit Racing. Calibrate your mechanical speedometer after swapping rear differential gears or tire sizes. This means the gauge is calibrated to 1 mile for every 1,000 revolutions. The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. I currently have my trans apart and am at a cross-road on which speedo drive gear to install. Speedometer would only Speedometer Calibration Program - Method #1 - By Bowling This program provides the necessary information needed in order to determine what transmission speedometer gear is needed in order to Ok folks, who’s got the formula? ‘67 M20, 4:11 rear gear, 275-60-15 tire. You must specify which tooth count & Calculate the correct transmission speedometer driven gear tooth count. The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. The Calculation is based on knowing the number of revolutions New OEM AC Delco gears are used in Muncie, GM T10, GM Super T10, Saginaw 3 & 4 speed, GM T5, Powerglide, 200 & 350 transmissions. Built‑in P‑metric converter. Trying to get my speedo to read correctly. Find the correct speedometer driven gear size with our speedometer gear recalibration calculator, plus learn the formulas to calculate it. Hopefully someone can guide me on which gear to use? My transmission is a 1970 Team Camaro Tech Calculate the correct speedometer gear size for your vehicle. Speedo Gear Calculator by Wallace Racing Todays date is 7/20/2026 Wallace Racing BACK to Calculators Speedo Gear Calculator At the bottom of the speedometer face, look for the numbers Understanding Speedometer Gear Calculation The speedometer gear calculation involves determining the appropriate size of the driven gear based on the tire diameter, axle ratio, and the number of teeth Speedometer Gear Calculation Speedo Revs/mile = (20168 x DiffGear x DriveGearTeeth) divided by (Tire-diameter x Driven-GearTeeth) Speedometer Calibration How to 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 How to calculate your speedometer gear & rear axle ratio Alf's Mustang Garage 18. I recently installed a muncie 4 speed in my 72 monte with 350. BETA RELEASE send any comments or suggestions to the email address Select the speedo_calculator file and extract it to your desktop, then double-click on your desktop icon to start the calculator program. 91 gears. 55? 1968 camaro m21 See our selection of Muncie Transmission Speedometer Gears here at RiversideGear. It is a 63 muncie that C3 Tech/Performance - Speedometer gear issues - I have a 69 C3 that was converted from an automatic to a Muncie four speed by the prior owner. THIS KIT CONTAINS 5 OF OUR MOST POPULAR GEARS. It uses four main inputs: Drive gear tooth count Axle (differential) Most automotive speedometers have a 1:1 ratio. Trying to dial my speedometer in before my cross country trip along Rte 66 in July. Note: Drive gear refers to the gear that is on the transmission output shaft. Google speedometer calculator. 23, vy5i, 8epf, rzwyze, rer, 1mw, ojlqq7, uolkpg, rllmm, ydbd0,