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C-M22 MODEL IDENTIFICATION(1969-1972) A-M20 B-M21 C-M22 ... The most well known Muncie transmissions are the M20(wide ratio), M21(close ratio), and the M22(rock …
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M-22 "Rock Crusher" Identification. The M-22 close-ratio transmission is easily identified internally from the M-20 and M-21 versions by the angle of the gear teeth. The M-22 was only produced in a close-ratio version, so it will not …
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The term "rock crusher" refers to the noise made by the meshing of the strong-er helical gears in the M22. Later model 1971-'74 Muncies are also popular with racers, because these …
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1969-1974 codes include a suffix letter at the end to aid in identification of transmission ratios. A = 2.52 1st gear wide ratio M20, B=2.20 1st gear close ratio M21, C = 2.20 first gear Rock …
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Many people are always calling me or asking me at shows on how to identify Muncie 4 speeds. Not too many people actually know what type Muncie they have and most publications have …
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The term "rock crusher" refers to the noise made by the meshing of the stronger helical gears in the M22. Later model 1971-'74 Muncies are also popular with racers, because these transmissions used a 32-spline output that …
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The M22 Rock Crusher used a gearset that features less of an angled-tooth gearing (right). Images courtesy chevelles ... In order to correctly identify a Muncie four-speed transmission, several visual clues are …
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This is the current Muncie M22. Your can see that the layout of the geartrain is identical to the ST10's. All gears and synchronizers are in the same position. Notice how the angle of the M22 …
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T he Muncie M22 "Rock Crusher" is one of the most well-known manual transmissions available in classic cars. Named after its place of origin (Muncie, Indiana), this four-speed is the final ...
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Thus, bottom line, ONLY the M22 is "properly" nicknamed as "Rock Crusher". And, some people, who just flat do not know what they are talking about (BS'ers), or they just want to brag, will say they have an M22 (or …
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The Muncie M22 is known as the Rock Crusher. See how we improve its strength and versatility by adding a Gear Vendors Overdrive. Cam Benty Writer John McGann Photographer Nov 04, 2022.
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I currently have an M22 Rock crusher in my '56 Chevy pickup, and have another M22 that was rebuilt about 6 years ago by my father but never used. I also have what I believe is an M21, but I'm not certain. ... Go to it and …
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Guide to Muncie M20 M21 and M22 Four. The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolets big-blocks in the mid-1960s The M20 and M21 …
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"Where Our Customers Send Their Friends" Chevy Transmissions: Muncie M22 "Rock Crusher 4 Speeds were made From 1965 TO 1974: The most popular transmission of it's time for high performance cars built for Chevrolet and all …
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The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet's big-blocks in the mid-1960s. The M20 and M21 transmissions produced from 1963-'74 are easy to …
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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, starting with the 1965 Corvette.
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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, starting with the 1965 …
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Can you help identify if it is truly an M22. The number reads 3925856(or possibly 3925858) All the sites I have visited are telling me the case number should be 3925661/ ...
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M22 Identification. M22 Identification. Jump to Latest ... Doe this mean it's still an M22 but just manufactured at the Saginaw assembly plant or it's not an M22 "Rock Crusher Transmission". …
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I do not claim to be a transmission expert and could be wrong but the "real" rock crushers had straight cut gears....not helical cut gears. I believe they were first released by GM …
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The M22 was produced in 1973 and 1974 for other GM divisions. ... thus the nickname "Rock Crusher" was born. Another misconception is if you have a drain plug you have a M22. ...
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Look in the post at the top on the trans fourm. It tells how to pick out what is what but the main thing to look for in a M-22 is the gear angle. Take off the side cover and look at …
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Below we provide a M21 & M22 parts illustration to assist you with the correct identification of the parts you need. Select the parts you require from the following list and give …
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Personally, I think the angles vary from gear to gear. 1st gear on an M22 may be 19 degrees, 3rd may be 20 degrees. Also M22 gear sets were of a higher nickel alloy. The straighter angle was …
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The M22 "Rock Crusher" followed four years later. It uses stronger components to handle big-block power. The original M20 was only offered for one year. It has the GM casting number …
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Muncie M22 "Rock Crusher 4 SPEEDS FROM 1965 TO 1974: This page is devoted to OEM Complete units; New aftermarket units and OEM parts and NOS parts. ... Gear and 27 Splines …
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You can identify several unique signs that identify an M-22 "Rock Crusher," even if it does not have a GM hallmark imprinted on its surface. Step 1 Check the casting number, the production …
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The Muncie M22 "Rock Crusher" is one of the most well-known manual transmissions available in classic cars. Named after its place of origin (Muncie, Indiana), this …
WhatsApp: +86 18221755073
The M22 was eventually dubbed the "Rock Crusher". It is a common misconception that all Muncie transmissions are "Rock Crushers", but it is only the M22 that deserves that name. …
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Re: How to Identify a Muncie 4 speed 12-24-02 04:14 AM - Post# 146391 In response to 57Townsman210 There is a very complete web page about identifying the various …
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