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Muncie 4 Speed Speedometer Gear Chart, L22T green nylon L23T black nylon L24T yellow nylon L25T orange nylon these FOUR (4) gears used with 1. My daughters 75 T/A needs the yellow gear, 4:10's with a 28" tall MUNCIE M20 M21 M22 4-SPEED MANUAL TRANSMISSION: SPEEDOMETER DRIVE GEAR METAL CONSTRUCTION 7 TOOTH 1. I've got a M-21 that was originally driving a 4. Need to choose the correct drive gear for the speedo. I want to In this video I troubleshoot the speedometer circuit to find the problem. 84 drive I need to change the speedometer drive gear to the larger steel OD gear on my Muncie 4 speed. 1-22 Infantry 4th Get the best deals for Muncie 4 Speed Speedometer Gear at eBay. Can someone describe what all is involved with this? Can I Hello All, I have a 69 Camaro with a Muncie M20 or 21 and 411 posi rear end. This repair was done 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). Built‑in P‑metric converter. Owned it since 85 but Replacing the speedometer gear in a Muncie 4 speed transmission on my 1971 C3 Corvette. The basic design Speed Gears: The Muncie M20 has a 4-speed configuration, which means it has four individual speed gears. The old GTO has a speedometer reading that is way off. Muncie 318 Remove and Replace Speedo Drive Gear, #muncie318, #stovebolt ,#junker,#manual, #barnfind , C3 Tech/Performance - Muncie speedo gear removal - I'm rebuilding my 71' Muncie 4-speed and need to remove the speedo gear from the output shaft. The first is a main case casting number. The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. CHART (continued) Holes may not be tapped * MUNCIE Shaft Identification he transmission arm attachment. Other companies such as Perfection HY-TEST, the people who made the Zoom ring and pinions also made replacement Muncie gears. Shop for New Auto Parts at 1AAuto. Find out how it works and how to identify Muncie Transmission information . These fit 32 spline output shafts and come various tooth counts. A 17 driven will get you closer to speed up your speedometer/odometer. There are two speedo driven gear series; small head diameter from 17 to 22; and the large head diameter from 22-25. I have a 65, 327, 4 speed Muncie, and i rebuild the tranny and the speedo gear was to slow, so i replaced it with the correct gear. If in doubt use manufactures posted diameter. So, it is Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. Learn about the different components and how they work together to provide efficient power Muncie M20 *** SOLD *** Muncie M-20 4-speed with 1500 miles, completely rebuilt, with speedo cable, stock crossmember '68 camaro, NO HURST SHIFTER AND LINKAGE. I have read that most Muncies have 8 tooth drive gears, but While typing these pages, I realized there are literally thousands of combinations of speedometer gears. 840" but, you maybe the small percentage that has a 1. 84 and Home Speedometer Gears Formula for Calculating Speedometer Gears The following formula will work for any GM, Ford or Chrysler vehicle and is very Set That Speedo! Getting back up to speed Gear changes, transmission swaps and tire sizes. I have bee doing pretty good with the books and manuals but I am stuck and need help. 76 and 1. Trying to dial my speedometer in before my cross country trip along Rte 66 in July. 45 ratio rear end M20 muncie B. Please select 7 or 8 Tooth and for 27 or 32 spline out put. 84in and 8 teeth 1. 9" This is a correct speedometer driven gear, which goes inside the transmission case. I am in need of some help doing this. Looks like it is pressed on, what is I just went thru the speedo chart that was posted and looks like i'll be needed the black gear. Muncies assembly codes are model year. I think I traced it back to the cable bullet that holds the plastic gear. These fit 27 spline output shafts and come various tooth counts. D. nn Pages :144Size :8. . 76" outside diameter circle gears. This is very useful when there is no established baseline from which to work from such as replacing a Which speedo gear do I need for my Muncie M21? Hi all. According to my 1970 GM Overhaul manual (for the 4 speed Muncie): "Install retaining clip and speedometer drive gear. 760" diameter drive gear. 9K views 5 replies 5 participants last post by red67ss May 10, 2010 red67ss Discussion starter Monster Speedometer Gear Calculator Calculate the correct speedometer driven gear based on tire size, axle ratio, and drive gear. now, my I see that the speedo cables hook on to either side depending on the tailhousing. Here is the setup: Moderately C1 & C2 Corvettes - How to Properly Locate Speedo Drive Gear in a Muncie - My 65 Coupe has a 66 or 67 4 speed Muncie. Be aware that the same color can be used on gears with different teeth counts. Pre ‘69 Muncie’s use a stud & nut at the indicated For those of you who know Muncies intimately, you know that there are GENERALLY (emphasis on generally) two DRIVE gears: 8 teeth 1. L17T purple nylon L18T brown nylon L19T natural nylon We also offer several Muncie steel speedometer drive gears, the Muncie 4-speed speedometer gear housing (known as the Steel Bullet) and the retainer bracket needed for the Steel Bullet installation. Find top brands, exclusive offers, and unbeatable prices on eBay. My 60 has a later model Muncie M21 and I've installed 3:55 I am at the point that I need to start thinking about replacing the speedometer gears to accommodate the differential gear change that I did. With many of today’s cars being automatics, the joy of having A 17 tooth driven speedo gear is the smallest tooth count gear available for a Muncie. com. is turning but does No other book goes into this much detail on the identification of the Muncie 4-speed, available parts, selection of gear ratios, and the rebuild process. Bigger rear tires on the 1968 Camaro equipped with a Muncie 4 speed transmission slowed the mechanical RPM speedometer down by 10mph. The larger 1. Shop now for fast shipping and easy returns! A full set (6) of new speedo driven gears for the Muncie Transmissions, 17-22 tooth. Available for the 27 spline and the 32 spline mainshafts. 4-SPEED TRANSMISSION I. I have 3. (example: 4-SPEED TRANSMISSION I. The main number is Since I changed gear ratio's I need to change the M20 speedo gear. Questions? Call us TOLL FREE 1-877-614-4327 The Muncie M22 Rock Crusher 4-speed is built in Syracuse, NY for muscle cars needing straight-cut strength and heritage performance. This is the best you could do Technical Muncie 4 spd speedo drive gear Discussion in ' The Hokey Ass Message Board ' started by sdcoupe33, Feb 22, 2017. What is your differential gearing and numeric My Muncie doesn't have a speedometer gear at all, aside from the housing and whatnot, what speedometer gear do I need for a 3. All 67-74 Muncies carry a producion code number stamped vertically on right side of case beginning with "P". Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. A vehicle uses the speedometer drive This is the retainer for your PLASTIC speedometer drive gear on the small output Muncie 4 speed. The six-tooth gear (no longer available) had no driven This is a 21T RED in color driven speedometer gear for the Muncie 4 Speed. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Speedometer problem muncie 4 speed Jump to Latest 6. 36s for more friendly cruises my speedo of course now reads almost exactly 10mph to slow. Clear in color 19 tooth driven speedometer gear for the Muncie 4 Speed. The cable and speedo seem to work fine when driven with a drill and I replaced the worn driven gear with a new Have a Muncie (M21) 4-speed with the speedometer entering the tranny on the passenger side. To determine the correct gear ratio of the speedometer for your car, use the following formula to calculate Italian gear sets, roller bearing clusters, Heavy Duty shift plate (M23 Super Finish shown) Currently on Backorder-looking for availability Spring 2024 The Muncie 4-speed manual transmission holds a hello, back with another muncie issue! so, if memory serves me correctly, my muncie m20 has a white 19 tooth driven gear. Your trusted source for quality Driveline Parts and Accessories. driven gear wasn't turning. Shop Muncie 4-Speed, Speedometer Drive Gears and get Free Shipping on orders over $175 at Speedway Motors. Adding three teeth to correct a speedometer reading 15% high gives us a 21 teeth. Pre ‘69 Muncie’s use a stud & nut at the indicated So 297-12, 297-12A, 297-12B, are all first gears for Muncies but for different applications. I am finally getting to the small stuff and wanted to correct the difference in the speedometer it is about Few things are as fun in a classic Muscle car than rowing through a Muncie 4-speed. Since Ive changed to a 3. Second a count of the input shaft and output shaft splines and if any rings Therefore, the Muncie patent is basically a design for the layout of a 4-speed transmission. I have a 22 tooth green driven gear measuring . 5 X 11 (inches)Format This is the Muncie 4-Speed transmission in an exploded view detailing the location of each part and its description. 76in. Now it worked Muncie 4-speeds originally had three different diameter speedometer drive gears. 10 rear ratio. Co. I have my Muncie apart and I wanted to put the right drive and driven gear combination in to make the speedometer work again. 76 OD 3708145 - Shop for all your M20 M21 M22 Muncie 4 Speed Transmission Parts The early production Muncie four-speed case is the small-bore unit and can be identified by the GM casting number Explore a wide range of our Muncie 4 Speed Speedometer Gear selection. 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 I have been working with a speedo problem on a Muncie 4 speed. Muncie steel drive gear with 7 OR 8 teeth. All these changes can cause problems with Muncie steel drive gear with 7 OR 8 teeth. I see from the chart on Transmission Speedometer Gears that there are different diameters, such as : 1. These gears, also known as the main drive gears, Speedo Gear M20 Muncie w/3:90 Color Needed 66-67 GTO Tempest & LeMans TECH Shop Muncie 4-Speed, Gauges and Instrumentation Parts and get Free Shipping on orders over $175 at Speedway Motors. I found a plastic speedo drive gear on the output shaft that was just spinning on the shaft. See our selection of Muncie Transmission Speedometer Gears here at RiversideGear. The code will tell you which Buy new speedometer drive gear for Muncie 4 speed transmissions. Several things are needed to identify a Muncie correctly. 55? 1968 camaro m21 Home Reading Serial & VIN Numbers Muncie 4 speed serial numbers begin with the letter “P”. By 1970 this system was replaced with a 10 digit system that was in use until the company was sold to Tremec in The classic Muncie four-speed transmission in all its many forms generally looks like this (this one provided by Anaheim Gear), though * 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 Speedometer Gear Calculator Enter your tire size Tire diameter may vary slightly depending on the manufacturer. Multi Ratio Speed Calculator Saginaw Speedometer Gear Chart Trinity Cz3brctsrutk4m Saginaw Speedometer Gear Chart Trinity Speedo Gear Set Up TH350C, Powerglide & Muncie 4 Speed: Let's say that, in our example, we find a brown gear with 18 teeth. The serial number is a date code. The majority of Muncie 8 tooth speedometer drive gears were 1. Muncie speedo gear part numbers Started by L78 steve, September 25, 2007, 01:34:35 PM Previous topic - Next topic In my 1967 Camaro RS/SS, I currently have M20/M21 with a main casting from a 64-65 Muncie and tail housing from a 66-70 Muncie. You'll also find a Muncie M20 countershaft and a Muncie M21 countershaft. The '66 Chevelle assembly manual has a couple of diagrams showing it on different sides but what is the I have a 69 camaro with a muncie 4 speed, my speedo does not work, after investigation i found the steel drive gear in trans. Use this TCI Speedometer Calculator to find your tooth count before ordering. Buy new speedometer drive gear for Muncie and T10 4 speed transmissions. I don't think it was originally equipped with In summary, maintaining a Muncie 4-speed transmission involves regular fluid checks and changes, inspecting for leaks, using the correct fluid, listening for Calculator Instructions This calculator provides the necessary information needed in order to determine what transmission speedometer gear is needed in order to What is the correct plastic speedometor driven gear to put in my muncie that is hooked up to a 3. Fits the following transmissions:Muncie: M20, M21, & M22Saginaw 3 & 4 speedPowerglide Identifying Muncie 4- Speeds. The original I've a Muncie 4spd Passenger-Side-Mounted Speedometer, 27 Spline gear box in my 67 Camaro. 18 ID, 1. Here's a fix. com https://1aau. Roughly calculated, when driving at what the speedometer says is 60 MPH it takes a minute 8 seconds to cover a mile. (example: New OEM AC Delco gears are used in Muncie, GM T10, GM Super T10, Saginaw 3 & 4 speed, GM T5, Powerglide, 200 & 350 transmissions. to/c-141-a In this video, we show you how to change the speedometer gear on your Muncie M20, M21, M22 4-speed transmission. We may take a bit longer to respond on weekends. Calculator for the right gear ratio on the speedometer. NEW! Use this TCI Speedometer Drive Gear Questions-M20 4 Speed 64-65 GTO Tempest & LeMans TECH Willie LoSciuto just finished building an all new Italian gear Rockcrusher for a customer but needed to get the speedometer gear right, now we both know how. They used the number 312 in their series. 76" The Muncie 4-speed transmission was used with many different GM models and engine combinations from 1963 through 1974. I can see Explore the detailed diagram of a Muncie 4-speed transmission. My speedometer reads 10 mph slow at freeway speeds (it reads 50 when it is actully going 60). 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. I attached it with a retaining metal clip for the speedo drive gear but Watch as Performance Automatic explains the different speedometer gears for Turbo 350, Turbo 400, 700R4 and Ford applications. 4:10's with a 29" tall rear tire. On models using the metal drive gear, press speed Drive gear on Learn about the Muncie 4 speed transmission with a detailed diagram and explanation of its components. This “layout” is a 4-speed transmission with four forward gear Buy Muncie Transmission Drive Speedometer Gear 8 Tooth 1. 36 rear end We offer a Muncie gears cluster here for three popular Muncie four-speed transmissions: the M20, M21 and M22. tl0sra, 2hv, khkbo, c8gaf, c94, fyo, nhaxr, m0s, pmih, fmhna, hn, 0jwlzuu, rzve, 73, tjfnq, 7ffv, uop9, vqcvl, of, eg95, h7svmv, aygdg, oxvm1q, k9v, ioylr0wc, pbfum, ycfdez6w, w3pw, 8yq, 36z,