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The M20 and M21 used a gearset with a more angled tooth design on each gear (left). The M22 Rock Crusher used a gearset that features less of an angled-tooth gearing (right). Images courtesy chevelles. The gear ratio of …
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1969 - 1973 Muncie Four Speed Transmission M-22 Rockcrusher Complete original GM Muncie transmission rebuilt and guaranteed for 1 year. Correct fit for all 1969 - 1973 model Chevelles and Novas. This one will have the holes on …
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The 1960s is considered the golden era of American muscle cars. It saw the introduction of models like the pioneering Pontiac GTO in 1964, the 1967 Chevrolet Camaro, …
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This is a common question. The following charts can help with GM transmission identification for automatics and manuals. 1-844-78-Catalog. SHOP BY VEHICLE. Free …
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This a BRAND NEW SUPERCASE M22 Muncie Rockcrusher Style Transmission. This is a BEEFY version of the original Rock Crusher transmission. Most all the weak points of an original Muncie have been solved by the Super-Case …
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An M-22 "Rock Crusher" is a Muncie four-speed transmission for cars made by General Motors in the 1960s. Identify a transmission type correctly before fitting it into your car. If you have the …
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Big-block Chevy engines are all about torque, and for that, a complementing manual transmission must have the capacity to withstand all the pound-feet channeled through it. Using the classic …
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Chevy (Full Size) VIN Decoding; GTO VIN Decoding; ... The Muncie 4-speed transmission was used with many different GM models and engine combinations from 1963 through 1974. ...
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Muncie Close Ratio - M-22 Rock Crusher Four Speed Transmission - ALL NEW GEARS. Opens in a new window or tab. Remanufactured. ... 1966-1970 Muncie 4 Speed Transmission Tail …
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Muncie also had a second close-ratio transmission coded M22 and known as the "rock crusher," which was used behind performance big-block engines and in some Corvettes. These M22 …
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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 …
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The 3925661 main case casting was used exclusively and a new tail-housing (3978764) with only three shifter-mounting holes was added. The transmission was also 3/4 inch longer than older …
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In addition, many GM high-performance engines came with M-22 "Rock-Crusher" in the 1970-73 years, however an early version of the M-22 was available as early as 1965 in …
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The new process A-833 is a cheap alternative to a Muncie M-21 M-22 Rock Crusher or Borg Warner T-10 transmission for your muscle car or classic ride. ... It's the New Process A 833 4 …
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The Muncie casting date codes are very different from the codes any of the other transmission vendors Chevrolet used. These codes can be difficult to read on some units and are comprised of two ...
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4-SPEED MANUAL TRANSMISSION ASSEMBLIES, GEARS & PARTS APPLICATIONS: GENERAL MOTORS 1963-1974 GENERAL MOTORS (HIGH PERFORMANCE) AUTO GEAR …
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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". I am just learning ! ... A forum community …
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Identify a transmission type correctly before fitting it into your car. If you have the incorrect transmission, your car may not function properly. You can identify several unique signs that …
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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 performance oriented G.M cars. They have the …
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Although some claim that the M23 is a 'rock crusher', it is indicated that this box was assembled in both wide and close ratio components and also with straight cut gears …
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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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I have a '69 Z28 with a M-21 transmission, and I was told that it was the correct 4speed that came in the car from the factory. ... Is the M-21 the same as what they call a Rock …
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Rock Crushers' distinctive whine in lower gears, similar to a true straight-cut gearbox, makes M22-equipped cars immediately noticeable. It's also what lends the …
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The 2.20:1 ratio first gear is usually referred to as the Muncie M21 transmission; based on GM's production codes. The 2.56:1 ratio is referred to as the M20. Muncie also had a second close …
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The M21 & M22 is a four speed, RWD or 4WD transmission. The M21 & M22 is a Muncie engineering design, this transmission is aluminum case, extension housing and side …
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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 identify in both wide- and …
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Suitable for: FMS 1/24 FCX24 Xiaoqi Crusher Chevrolet K5 RC Car. Front + Rear Diff GearBox for Traxxas 1/10 Rustler Hoss Slash Stampede 4x4 VXL. 1 x Gear Box Gearbox. …
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Even after 45 years, the Muncie four-speed is still a very popular transmission with Chevrolet muscle car enthusiasts, and it is easily adaptable to a wide range of GM and other non-GM vehicles. It debuted in 1963 Chevrolet …
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You will be bidding on a COMPLETELY rebuilt M-22 4-speed transmission, for Chevrolet, Corvette, Nova, Chevelle, Pontiac or Camaro. First gear ratio is 2.20 to 1, 2nd gear is 1.64 to …
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The 4-speed was the product of careful engineering intended to modernize GM's transmission offerings. skip to content. Search ... The Muncie earned its keep by offering a …
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Among models from the 60s, the M22 Rock Crusher manual transmission can be found in models such as the C3 Chevrolet Corvette with the 435 hp L71 427 V8, 425 hp L72 427 V8, and the …
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1969 Chevrolet Camaro Z/28. 1970 CHEVROLET CHEVELLE LS6 454 MUNCIE ROCK CRUSHER TRANSMISSION COWL INDUCTION. 1973 Chevrolet Camaro Z-28 / 350 V-8 / 4 …
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Named for the Indiana town where the transmission factory was located, the Muncie came in three basic flavors: the wide-ratio M20, the close-ratio M21, and the heavy-duty M22 …
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From 1963 to 1975 General Motors used a transmission in many of their muscle cars known as the Muncie 4 Speed. It was the transmission of choice for practically every performance-engined car made during the muscle-car heyday.
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Warranty transmission. Note CT0 (Chevrolet, Transmission, 1970) and 42862 serial number. 1972. P2P28A ~ M20 dated September 28, 1971. P2E15C ~ M22 dated May 15, 1972. …
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RACING Muncie Slick Shift Clutch-less Super Duty M23 Upgraded Ultra Case 4-speed Drag Racing Rock-Crusher. ... M20. It drives like a charm and works really (!) well. Shipping to …
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GM Muncie transmission rebuilt and guaranteed for 1 year. Correct fit for all 1967 - 1968 model Camaros. This one will have the studs coming out from the side where your shifter linkage …
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The 2.56:1 ratio is commonly referred to as the M20. Muncie also had a second close-ratio transmission designated M22 and often referred to as the "rock-crusher," which …
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American Chevy Muncie Transmission Parts – M20, M21, & M22. ... The M22 "Rock Crusher" followed four years later. It uses stronger components to handle big-block power. The original …
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