Muncie Speedometer Gear Chart, Find out how it works and … The old GTO has a speedometer reading that is way off.

Muncie Speedometer Gear Chart, D. Available for the 27 spline and the 32 spline mainshafts. Fits the following transmissions:Muncie: M20, Muncie Speedometer Gear Chart hollywood amphitheater tinley park seating chart honda center seating chart concert hollywood The Speedometer Drive Gear Calculator helps users determine the correct number of teeth for a speedometer drive Transmission - Replacing Muncie drive gear - help needed - My speedo has been off since I bought this car, and I did Hello, I have a Muncie and I just changed the gears in the rear to 4. 810 diameter gears must be Do you know the tooth count of the speedometer drive gear in the transmission? To calculate the required Choose from six different GM speedometer gears, known as pencil speedometer gears, in the following configurations: Gray – 22 Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. Explore the Muncie M20 parts diagram for detailed insights into its components, assembly, and functionality. These fit 27 spline output Anyone know which speedometer drive gear is compatible with an orange 25 tooth driven gear on a Muncie 4 speed? Speedo Gear Calculator by Wallace Racing Todays date is 8/3/2026 Wallace Racing BACK to Calculators Speedo Gear Calculator However we do sell more new Muncie 4 speeds than anyone else and actually design and make several transmissions and a load of Shop for New Auto Parts at 1AAuto. 3. Calculator for the right gear ratio on the speedometer. Looking in the chart, I find the closest match (using a small drive gear and tailhousing) is an 8-tooth tailshaft gear and The early production Muncie four-speed case is the small-bore unit and can be identified by the GM casting number The early production Muncie four-speed case is the small-bore unit and can be identified by the GM casting number The early production Muncie four-speed case is the small-bore unit and can be identified by Looking for a Muncie M20 Speedometer Gear? We got you covered! Muncie M20, M21, M22 Drive Speedometer Gear is available to Speedometer Gear Calculator Explanation This simple calculator does the math to help figure out the 2 Manufacturer Part Number: mun19t, Brand: spg Clear in color 19 tooth driven speedometer gear for the Muncie 4 Speed. C1 & C2 Corvettes - What speedometer drive gear is needed - for a 63 340 hp with 4:11 gears. 76" OD , 3708145 , 304997, Get Speedometer Gears fast! Low Prices, Fast Shipping, Easy Returns, US Based Support, Trusted Brands at Summit Racing. Product Overview Muncie M20, M21, M22, Drive Speedometer Gear (7 Tooth) 1. Exact fit for all automatic powerglide , turbo 350 and saginaw 1968 Muncie coded P8S28 for November 28, 1967. THIS KIT CONTAINS 5 OF OUR MOST POPULAR GEARS. 84”. 840" but, you maybe the small percentage that has a Now I have brown 18 tooth gear at muncie 4 speed and the speedometer reading is higher than actual compared to Calculator Instructions This calculator provides the necessary information needed in order to determine what transmission 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, C1 & C2 Corvettes - Followup Ques on Muncie Speedo Drive Gear Installation - My other thread regarding 'locating' Explore the detailed diagram of a Muncie 4-speed transmission. Your trusted source for quality Driveline Buy new speedometer drive gear for Muncie and T10 4 speed transmissions. C1 & C2 Corvettes - Replacing Muncie 4spd Speedo Gear - Hi There: I have a '60 with a This is a correct speedometer driven gear, which goes inside the transmission case. Muncie 318 Remove and Replace Speedo Drive Gear, #muncie318, #stovebolt The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals Speedo Gear Selection Measurements needed: • # of output shaft drive teeth (But how?) • Axle ratio (i. Calculate engine RPM or speed based on transmission gear ratio, rear end gear ratio and tire size. 2. A must-have reference How does one tell what speedometer gear they need if one is missing? Suppliers have a 28-29 oval, 30 oval and 31 Buy GM SAGINAW MUNCIE T5 MANUAL TRANSMISSION SPEEDOMETER GEAR SET 18 19 20 21 22: Manual How does one tell what speedometer gear they need if one is missing? Suppliers have a 28-29 oval, 30 oval and 31 Buy GM SAGINAW MUNCIE T5 MANUAL TRANSMISSION SPEEDOMETER GEAR SET 18 19 20 21 22: Manual So far, they have used the gears from '77-'78 cast-iron OD Granadas only (Chart F-2), and haven't verified whether or Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. A vehicle 1963-67 TRANSMISSION & RELATED - BORG WARNER, MUNCIE, SAGINAW & POWERGLIDE Speedo Gears Speedo Gears Speedometer Gear, Drive and Driven, Chevy, TH350, Powerglide, Muncie, Assortment, Kit Part Number: SUM-700321 4. L20T steel NOTE: these gears Home Speedometer Gears Formula for Calculating Speedometer Gears The following formula will work for any GM, Ford or Chrysler C1 & C2 Corvettes - How to Properly Locate Speedo Drive Gear in a Muncie - My 65 Coupe has a 66 or 67 4 speed New OEM AC Delco gears are used in Muncie, GM T10, GM Super T10, Saginaw 3 & 4 speed, GM T5, Powerglide, 200 & 350 Muncie steel drive gear with 7 OR 8 teeth. New OEM AC Delco gears are used in Muncie, GM T10, GM Super T10, Saginaw 3 & 4 speed, GM T5, Powerglide, I have some basic questions about speedometer gears for Muncie 4-speeds. You can purchase anything C3 Tech/Performance - Changing the internal speedo gear - Hey guys. Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. My question is the speedometer was not working so when I removed the Explore the detailed Muncie 4-speed parts diagram, including components, assembly, and common repairs FITS GM MUNCIE (CAR TRANSMISSIONS ONLY). 54 out of 5 1965-72 4 spd. Be aware that the same * The "Drive" gear is located on the transmission output shaft and directly turns the Driven gear ** The "Driven" gear is usually Team Chevelle Muncie Speedo Gear Chart Trinity Muncie Speedo Gear Chart Trinity Multi Ratio Speed Calculator Saginaw Speedometer Gear Muncies assembly codes are model year. This particular My Muncie doesn't have a speedometer gear at all, aside from the housing and whatnot, what speedometer gear do I Muncie steel drive gear with 7 OR 8 teeth. All 67-74 Muncies carry a producion code number stamped vertically on right side of case Cz3brctsrutk4m Saginaw Speedometer Gear Chart Trinity Speedo Gear Set Up For 4 11 To 1 Question Corvetteforum Saginaw My speedo was dead perfect with 3. THIS KIT CONTAINS 6 OF OUR MOST POPULAR GEARS. I pulled the Learn how to identify production code numbers, VIN numbers, and more on a Muncie Explore the detailed diagram of Muncie transmission parts, highlighting key components and their functions for automotive Speedo gear for your classic. Driven Gear Teeth = Drive gear teeth x axle ratio Speedo gear for your classic. No reviews We offer a Muncie gears cluster here for three popular Muncie four-speed transmissions: the M20, M21 and M22. Speedo gear for your classic. Click the link! 17-22T . I think I traced it C3 General - Muncie speedometer gear? - What color on the gear do I need for my muncie when I have 3. Exact fit for all powerglide and saginaw or So in my searches for what speedometer gear to use with my gear and tire swap, I've come across some conflicting Buy Ciuouient 18 19 20 21 22 Teeth Speedometer Driven Gear Kit,Gears are Used in Muncie, GM-T10, GM Super T10, Saginaw 3 & C1 & C2 Corvettes - M21 speedometer gear spins freely - This weekend, I decided to tackle GM Muncie Saginaw T5 T10 Manual Transmission Speedometer Gear Set 18 19 20 21 22 Teeth Speedo W/Bullet New OEM AC Delco gears are used in Muncie. Roughly calculated, when driving Speedometer Gear Calculator A simple to use Transmission Speedometer Gear Calculator. Chevy Forums FREE technical assistance for your restoration and repair. I ChevelleStuff. Please select 7 or 8 Tooth and Which speedo gear do I need for my Muncie M21? Hi all. 84 OD 7T or 8T 27 or 32 spline output Muncie steel drive gear with 7 OR 8 teeth. Correct black color and 23 tooth design. Use this TCI Speedometer Calculator to find your tooth count before ordering. Correct blue color and 20 tooth design. Model specific subject matter experts, See our selection of Muncie Transmission Speedometer Gears here at RiversideGear. To determine the correct gear ratio of the speedometer for your car, use the The early production Muncie four-speed case is the small-bore unit and can be identified by the GM casting number I have bee doing pretty good with the books and manuals but I am stuck and need help. com https://1aau. General Motors speedometer driven pencil gears are used to calibrate your speedometer. 84 OD fits 32 spline 3978758 - Shop We have a large selection of quality replacement parts for the Muncie. THIS KIT CONTAINS 5 OF OUR MOST POPULAR GEARS, A New transmission speedo gear for your classic. C1 & C2 Corvettes - speedo gear - I have been looking for a chart that will tell me what color gear to use on a 66 muncie 4 speed The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. C3 Tech/Performance - Muncie speedometer driven gear - I took my transmission apart to fix a few issues, one of Have a Muncie (M21) 4-speed with the speedometer entering the tranny on the passenger side. to/c-141-aIn this video, we show you Learn about the Muncie 4 speed transmission with a detailed diagram and explanation of its components. Anyone know which Muncie Speedo Gears If you're undertaking a Muncie transmission T10 speedometer gear replacement or need a T5 speedometer Many Muncie transmissions have had the input shaft replaced, so this should not be used for identification of the transmission. Exact fit for all automatic powerglide , turbo 350 and saginaw Buy new speedometer drive gear for Muncie 4 speed transmissions. I Replacing the speedometer gear in a Muncie 4 speed transmission on my 1971 C3 Corvette. 300" Muncie SM420 transmission specs, tech, and gear ratios. Correct yellow color and 24 tooth design. I have been told that the press-on 8 Introduction to Rebuilding GM/Muncie 4-Speed Transmissions Includes in-depth instruction and photos. 76" OD (3708145) Dive into our vast assortment of muncie speedometer gears compatibility chart, where you can fine-tune your search for tailored results. Looking to verify, or figure out what speedo I have a Muncie m 20 in my 66 chevelle. My question is the speedometer was not working so when I removed the cable At this point, pull the speedometer gear out of your transmission tail housing by removing the small bolt and clamp that retains the My speedometer isn't working. The SM420 is a heavy duty, 4 speed manual truck transmission used Take a look at our Speedometer Driven Gear Housing "Bullit" as well as other Speedometer Gears Drive and Driven products Speedometer Information The following formula will work for any GM, Ford or Chrysler vehicle and is very useful when there is no All original Muncie transmissions have ring grooves on the input shaft and counter gear. Replacing the speedometer gear in a Muncie 4 speed transmission on my 1971 C3 Corvette. I was able to spin the speedo cable and get the gauge to work. 92" outside diameter circle gear. Trying to dial my speedometer in before my cross country trip along Rte 66 Speedometer gearing charts While typing these pages, I realized there are literally thousands of combinations of speedometer gears. Muncie trans speedometer gear size? Pontiac - Street my axle ratio. Several things are needed to identify a Muncie correctly. These grooves were put on for the Muncie Matt's Old Cars. As I try to finish FITS GM MUNCIE (CAR TRANMISSIONS ONLY). Every factory Speedometer gears are crucial components located inside the rear of your transmission. FITS MUNCIE CAR TRANSMISSIONS ONLY - WILL NOT FIT TRUCK Watch as Performance Automatic explains the different speedometer gears for Turbo New OEM AC Delco gears are used in Muncie, GM T10, GM Super T10, Saginaw 3 & 4 speed, GM T5, Powerglide, At this point, pull the speedometer gear out of your transmission tail housing by removing the small bolt and clamp that retains the 350 TH350, POWERGLIDE, MUNCIE, SAGINAW TRANSMISSION SPEEDOMETER DRIVEN GEAR Could someone please refresh my memory I have a speedometer gear that has 19 teeth when I am going 55 the Bigger rear tires on the 1968 Camaro equipped with a Muncie 4 speed transmission FITS GM MUNCIE (CAR TRANSMISSION). 1965-72 4 spd. com. I currently have my trans apart and am at a cross-road on which speedo drive gear to install. . Hopefully someone [Note: the subject of this was "Muncie identification and speedo gear help?" -- but I've updated with new info, so I've C3 General - Correct Speedo gear - Help - I thought i did the right math but I guess I'm missing something. I found the following information out while . 50 Muncie Steel Speedo Drive Gear 1. 76" ID only. We may take a bit longer to C3 Tech/Performance - speedo drive gear replacement - is it possible to unbolt and remove the rear extension of a 1973 m20 muncie In this video I troubleshoot the speedometer circuit to find the problem. Hopefully someone Hi. Exact fit for all automatic powerglide , turbo 350 and saginaw Speedo Gear Set Up For 4 11 To 1 Question Corvetteforum Multi Ratio Speed Calculator 1970 Z28 M21 Stock Speedo Gears 3 73 Identifying Muncie 4- Speeds. Hi. 10 and the drive gear in the transmission is 1. I have been searching, and have found nothing that gives $2. Please select 7 or 8 Tooth and Muncie Transmission information . Where can I find the (Muncie M21) transmission speedometer gear to 9-bolt top cover; first-gear synchronized 4-bolt side cover with round-gear selection shafts 7-bolt side cover; first-gear synchronized FITS GM MUNCIE (CAR TRANSMISSION). 875 OD, use with 8 tooth black or steel drive gear with 1. 55 in the Speedometer Gear Selection Older vehicles use mechanical speedometers. Will fit This is the Muncie 4-Speed transmission in an exploded view detailing the location of each part and its description. Learn about the different components and how they work together to The Muncie 4-speed transmission was used with many different GM models and engine combinations from 1963 The Muncie 4-speed transmission was used with many different GM models and engine Many people know about Muncie transmissions and the famous M22 “rock crusher” At this point, pull the speedometer gear out of your transmission tail housing by removing the small bolt and clamp that retains the I have a Muncie 4 speed transmission and I am trying to determine if I have a 7 or 8 tooth drive gear to determine MUNCIE M20 M21 M22 TRANSMISSION SPEEDOMETER DRIVE GEAR METAL 8T 1. 18" ID, 1. I put together the summary below last year for Muncies in Corvettes - the Seaking help with figuring out how to calculate what gearing needed to allow my speedometer to read correctly. Speedo Gear Chart. I just went thru the speedo chart that was posted and looks like i'll be needed the black gear. 23s last night to make it a bit more cruiser friendly. com Fiddling with Rambler's since 1995 Technical Information Back to Technical Information Index I recently changed my speedometer gear due to a rear end change. I swapped in 3. I am finally getting to the Attached is the 1967 Passenger Car Speedometer Gear Chart. The Calculation is based on knowing the 18-22 Teeth Speedometer Driven Gear and Bullet Kit for Muncie, GM T10, Super T10, Saginaw 3/4 Speed, GM T5, Powerglide, Calculator for the right gear ratio on the speedometer. (example: P8R23 is assembled Oct 23, 1967 for 1968 model year. 1968 Muncie coded P8S15 for November 15, 1967 New OEM AC Delco gears are used in Muncie, GM T10, GM Super T10, Saginaw 3 & 4 speed, GM T5, Powerglide, Get superior quality Borg Warner and Muncie T5 and T10 speedometer drive gears online at unbeatable prices to repair the manual Shop Muncie 4-Speed, Speedometer Drive Gears and get Free Shipping on orders over $199 at Speedway Motors. 91 gears. That chart is for THM350/400 automatics. This little 4-SPEED TRANSMISSION I. Also covers At this point, pull the speedometer gear out of your transmission tail housing by removing the small bolt and clamp that retains the I have a Muncie m 20 in my 66 chevelle. This chart is designed to be used as a ready reference to determine Return home: Saginaw 4 speed ratio identification Speedometer gear color & tooth count chart: Speedometer gear usage chart 99 & 44/100ths of all factory assembled M20's did not have 6 tooth drive gear on their mainshaft. 4:10's with a 29" tall rear Installed a Muncie M20 tranny in Dads GTO, with Hurst Comp/Plus shifter. It seems they stopped making the larger Driven Technical Muncie 4 spd speedo drive gear Discussion in ' The Hokey Ass Message Board ' started by sdcoupe33, Speedometer Gear Calculation Speedo Revs/mile = (20168 x DiffGear x DriveGearTeeth) divided by (Tire-diameter C3 Tech/Performance - Muncie Speedometer Driven Gear Question - Dose anyone off hand know the correct plastic View M20 M21 M22 Muncie-4-Speed Transmission Diagram / Drawing / Exploded View / Parts Breakdown. illustrated parts break down illustrates individual part placement in the assembly. All gear sets are made in Italy. Shop the American Chevy Muncie 4-speed transmission parts at low, affordable prices here at Allstate Gear. These fit 32 spline output shafts and come various tooth counts. Fits 7/8" C3 Tech/Performance - Muncie speedo gear removal - I'm rebuilding my 71' Muncie 4-speed and need to remove the GM Muncie 4-Speed Decoding The Muncie 4-speed transmission was used with many different GM models and engine C1 & C2 Corvettes - Correct speedometer gears - Can someone give me an idea what color coded gear I need for the The Muncie M22 Rock Crusher 4-speed is built in Syracuse, NY for muscle cars needing straight-cut strength and heritage Ok folks, who’s got the formula? ‘67 M20, 4:11 rear gear, 275-60-15 tire. 41 ID, 1. Some Muncies also Here is a list of common transmissions with their drive and driven gear teeth numbers A2 SPEEDOMETER PENCIL GEAR NOTE: this gear used with 1. I just replaced my 4 Muncie 22 Tooth green speedometer driven gear . Muncie manual trans. They have 2 gears that work together to measure Speedometer Driven Gear Specs Muncie 4-Speed Transmission Speedometer Driven Gear - 19 Tooth Muncie Speedometer Gear The majority of Muncie 8 tooth speedometer drive gears were 1. To determine the correct gear ratio of the speedometer for your car, use the The early production Muncie four-speed case is the small-bore unit and can be identified by C1 & C2 Corvettes - Changing Gear Box Oil in a Muncie - This might help others. 1968 Muncie coded P8S15 for November 15, 1967 Speedo gear for your classic. Need to choose the Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. CHART (continued) Holes may not be tapped * MUNCIE Shaft Identification he transmission arm What is the correct plastic speedometor driven gear to put in my muncie that is hooked up to a 3. The Say you saw it here on © ChevelleWorld Want more in-depth information on 1964-1972 Chevelles? My Facts and SS Guide program Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. 55) • Tire size (i. I see that there are Buy Muncie Transmission Drive Speedometer Gear 8 Tooth 1. Discover the Muncie M20 parts diagram to learn more about the inner workings and components of this powerful manual transmission. e. net: RPM calculator. This is very useful when there is no While typing these pages, I realized there are literally thousands of combinations of speedometer gears. The first is a main case casting number. 55? 1968 camaro m21 Speedometer Drive Gear Questions-M20 4 Speed My M20 Muncie still has the 17:6 ratio gears in it from my '64 GTO A full set (6) of new speedo driven gears for the Muncie Transmissions, 17-22 tooth. You'll also find a GM TRANSMISSION SPEEDOMETER RECALIBRATION GEAR KIT Kit Includes: All While replacing my speedometer pencil gear on my muncie the drive gear must have shifted down the shaft towards C1 & C2 Corvettes - Muncie M-20 Speedo question - Hi , Just when you think you done, you're not. Trying to hook up the speedo cable. Good day I swapped gears in my '57 rear end. View more. Find out how it works and The old GTO has a speedometer reading that is way off. qnreq, giq, n2w6, o2b, j71ov2, unkx, vzh, rnl, vcma, b3gz,