m21 rock crusher saginaw transmission,Synchromesh and Muncie 4-Speed TransmissionA Muncie transmission differs from a Saginaw transmission in that its reverse lever is in the tail housing, not the side cover. The main difference .. People think all Muncie four-speeds are Rock Crushers, but they're not. The M20 and M21 came out about the same time in 1963, but the M22 didn't come out until 1965.m21 rock crusher saginaw transmission,Muncie M21: Parts & Accessories | Chevy Muncie M20 M21 M22 GM 4 Speed Front Bearing Retainer Snout 297-6 (304735). $16.95. Buy It Now. Free Shipping. 86 watching; |; 444 sold. Muncie M20 / M21. Transmission Bearing Retainer.
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Muncie 4-speed transmissions - - Hemmings Motor News
The 2.20 ratio is commonly designated as the M21 transmission, while the 2.56 ratio is commonly referred to as an M20. Muncie also had a second close-ratio transmission called an M22, which enthusiasts christened Rockcrusher; this was used in performance big-block engines and Corvettes and is a highly sought-after.
Synchromesh and Muncie 4-Speed Transmission
A Muncie transmission differs from a Saginaw transmission in that its reverse lever is in the tail housing, not the side cover. The main difference .. People think all Muncie four-speeds are Rock Crushers, but they're not. The M20 and M21 came out about the same time in 1963, but the M22 didn't come out until 1965.
M23 'RockCrusher, Best 4 speed trans, Chevy and GM
Jul 25, 2017 . M23 'RockCrusher, Best 4 speed trans, Chevy and GM A lot of people may not be aware of this, because it's not advertised much. . Super T-10, but most GM, Chevy, Pontiac, Oldsmobile and Buicks that had a high horsepower V8 engine came with the Muncie M21 or the Muncie M22 (Rockcrusher).
Magical Muncie Four-Speed | Hotrod Hotline
There are three basic types of Muncies: M20, M21 and M22. A Muncie differs from a Saginaw transmission in that its reverse lever is in the tail housing, not the side cover. The difference between a Muncie and . People think all Muncie four-speeds are Rock Crushers, but they're not. Nowadays there are custom gear ratios.
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Identify General Motors' Four-Speed Transmissions - Chevy Hardcore
Jun 13, 2017 . Many enthusiasts mistakenly refer to all Muncies as Rock Crushers, and this is just not appropriate. While the M21 and M22 did have the same gear ratios, the M22 did utilize a cluster gear with the gear teeth having different tooth angles. The M22 was designed as a road race transmission, and the.
How to Identify a Muncie Four Speed - Super Chevy
Jun 22, 2016 . And you're right, Zack, not too many people actually know how to distinguish a Muncie four-speed transmission from a Saginaw or BorgWarner, or even . There also was a second, heavy-duty close-ratio version: the “Rock Crusher” (M22) that was offered on some of the high-performance big-block models,.
How to Identify a Muncie Four Speed: Build Date Codes, VINs, and .
Jul 29, 2016 . Last time we talked about how to distinguish a Muncie four-speed transmission from a Saginaw or BorgWarner and the different types of Muncie transmissions, including the wide-ratio M20, the close-ratio M21, and a second heavy-duty close-ratio M22, also known as the “Rock Crusher.” We also discussed.
Muncie m20 vs M21 - Hot Rod Forum : Hotrodders Bulletin Board
Sep 6, 2014 . I have a 79 camaro , mild 383 has the close ratio m21 saginaw, 4.11 posi. . I thought we were talking about Muncie transmissions. . the M22 (the rock crusher as we racers called them) are designed to take abuse from high HP and high Torque engines and are built by GM for drag racing with stronger.
Chevrolet Chevy Manual Transmission Identification and Decoding
How to identify and decode chevrolet manual transmissions. . The Saginaw reverse shift lever is on the cover, and the cover has 7 bolts. The Borg Warner has a 9 bolt cover. Muncies . The M-20 wide ratio, the M-21 close ratio, and the "Extra heavy duty close ratio" M-22, also known as the "Rock Crusher". The M-22 was.
Muncie 4-Speed: The Complete History - Chevy DIY
It is therefore no surprise that a decision was made for BorgWarner to manufacture this 4-speed transmission based on the GM concept drawings and Fodrea's patent. .. M22 RockCrusher. In 1963 the Corvette Grand Sport racing program was instituted. The early Grand Sports used a special heavy-duty version of the M21.
M21, M22 4 speed GMC and Chevrolet Rebuilt Manual .
M21 & M22 4 Speed Muncie Chevrolet & GM Rebuilt Manual Transmissions - Buy Factory Direct and Save Money! Having issues diagnosing problems with your M21 & M22 GM 4 Speed manual transmission we can help. . Rebuilt Transmission M22 1966-1974 Rock Crusher. MTGM038, $1,666.67. Core Deposit for Above.
Muncie Parts - The Gear Box
Complete overhaul kit & Front retaining nut wrench for Muncie 4 speed transmissions, 1966-1974. $128.95 . Front nut wrench-is designed to ensure proper tightening of the front retaining nut on all Muncie M20, M21 & M22 transmissions. $16.95 .. Fits T5, T10, Super T10, Saginaw, Muncie GM applications. Includes metric.
Midwest Muncie | Muncie 4 Speed Transmissions And Rebuild Kits
Home of the world's best 4 speed muncie transmissions and parts. We also offer muncie rebuild kits, racing parts and m22 rock crusher transmissions.
To connect with Muncie 4 Speed & GM Manual Transmissions Buy Sell Trade, sign up for Facebook today. Log In. or . This group was designed for the Muncie & Borg Warner T10 4 Speed and GM manual transmission enthusiast. Feel free to .. Does anyone have a M22 Rock Crusher that I can put in a 65 Pontiac GTO.
Camaro - Transmission - Camaro Research Group
B = 2.20:1 Close Ratio (M21) C = 2.20:1 HD Close Ratio (M22), aka "Rockcrusher". The transmission code is normally located on the passenger side of the transmission, arranged vertically just in front of the tailhousing joint. See the transmission decoding information for pictures and more information. If the input shaft is.
How do I identify a Muncie transmission? How do I tell the difference between an M-20, M-21, and M-22? How do I identify a General Motors Borg-Warner T-10 vs. a Super T-10?
How to put a Classic Muncie Behind Your LS Swap - Hot Rod Network
Year, UPC, Pontiac 3-speed Transmissions, Year, UPC, Pontiac (GM) 4-speed Transmissions. 1936-55 . 1956-57, M13, Buick Heavy-Duty, 1963-64, M21, Borg-Warner Early T10 Close Ratio. 1958-64 . 1964-70, M13, Ford Heavy Duty Top Loader (Late '64), 1968-72, M22, Muncie Close Ratio "Rock Crusher" Heavy Duty.
March Camaro of the Month: Ray Cochran's 1973 Z/28 | Torque News
Mar 6, 2017 . That power is set to the rear wheels via an M22 “rock crusher” 4-speed manual transmission rather than the M21 and out back, a set of 3.08 gears makes this . These projects include replacing the current GM 906 iron cylinder heads with a set of aluminum Edelbrock Votxtex heads, converting the rear drum.
Apr 17, 2015 . Pontiac's transmission offerings for 1964–1974 GTOs were similar to the transmissions offered in other Pontiac and GM models. .. year, except that the M-21 close-ratio 4-speed transmission was replaced with a stronger version of the Muncie close-ratio gearbox the famous M-22 “Rock Crusher” 4-speed.
A variation of this Super T10 ended up in GM cars from 1975 to 1983. Also as the 4 speed . Casting: 3885010 Years: 1965 - 1967 Ratios: M20 2.52 1st , M21 2.20 1st, M22 2.20 1st. Casting: 3925660 .. The most popular question has to be that everyone thinks they have the famous "rockcrusher" M22 4 speed. This had the.
Introduction to Rebuilding GM/Muncie 4-Speed Transmissions
Mar 2, 2015 . The straighter angle was designed to produce less end loading of the geartrain noise, thus the nickname “Rockcrusher. . Change Recommendation was issued in December 19, 1964, requiring a change of the M20/M21-style transmission to the M22 because of the Grand Sport Corvette Race Program.