However, the Rock Crusher was only equipped in cars that had high-performance big blocks, including the Corvette, Camaro, Firebird and Chevelle. Thanks to the similarities between the …
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20081017· M22 transmissions can only be identified removing the selector cover (side cover) and visually identifying the straight cut gears-all other muncie transmissions had conical cut (angle) gears. The most well known Muncie transmissions are the M20 (wide ratio), M21 (close ratio), and the M22 (rock crusher).
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69· The M22 ''Rock Crusher'' featured a one-inch countershaft pin bore and shot-peened gears with aggressive helix angles that reduced heat and stress but also increased noise, leading to the nickname as the transmissions rattled their way down the road.
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Muncie Close Ratio - M-22 Rock Crusher Four Speed Transmission - ALL NEW GEARS Remanufactured · Muncie (3) $2,795.00
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427· 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 close-ratio units.
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1971 Muncie M-22 4 speed rebuilding core, see pictures, disassembled. What you see is what you get. This is for the person that needs a correctly date coded "C" stamped transmission to …
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2016729· 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
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923· Muncie also had a second close-ratio transmission designated M22 and often referred to as the “ rock-crusher,” which was used behind the …
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Identifying Muncie 4- Speeds. Several things are needed to identify a Muncie correctly. The first is a main case casting number. Second a count of the input shaft and output shaft splines and if any rings or grooves exist around the input shaft splines. Third are date codes and VIN numbers that help confirm that the above case and gears belong together. Tooth counts on the input shaft …
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In 1965, GM introduced an even more robust version of the Muncie transmission, known as the M22 or "Rock Crusher." This transmission, with its distinctive whine, became synonymous with high-performance cars of the era. The M22 featured straighter cut gears, providing a more aggressive gear mesh for increased strength and durability.
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In 1965, GM introduced an even more robust version of the Muncie transmission, known as the M22 or "Rock Crusher." This transmission, with its distinctive whine, became synonymous with high-performance cars of the era. The M22 featured straighter cut gears, providing a more aggressive gear mesh for increased strength and durability.
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GM Muncie transmission rebuilt and guaranteed for 1 year. Correct fit for all 1967 - 1968 model Chevelles and Novas. This one will have the studs coming out …
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20081017· M22 transmissions can only be identified removing the selector cover (side cover) and visually identifying the straight cut gears-all other muncie transmissions had conical …
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923· Muncie also had a second close-ratio transmission designated M22 and often referred to as the “ rock-crusher,” which was used behind the highest-performance engines and in Corvettes, the M22 is a highly sought-after performance transmission. It is the heavy-duty version of the 2.20:1 ratio M21 four-speed.
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1999715· My book says it is a M-22 Rock Crusher with 2.20 first gear and if it has Side Cover part # 3950306 it is a 69 and if it says 3884685 it is a 68. Sounds like a good piece of hardware and a rare one. Original 138 car from Freemont. 67 SS Bench seat 4-speed car with 396, Original M-20 with factory 3.73 12 Bolt Posi.
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STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR ULTRA CASE With The Strongest M22z ULTRAWIDE RATIO 4 SPEED …
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331· If you look a little closer, that stamping is 10 R 229308 which makes it from a third week of April 1970 Arlington, TX Chevelle so the P0C23C transmission assembly date and 3978766W0 tag fit. Put the transmission in 2nd gear and remove the side cover to view the helix angle of the gears and the condition of the synchro engagement teeth.
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GM Muncie transmission rebuilt and guaranteed for 1 year. Correct fit for all 1967 - 1968 model Chevelles and Novas. This one will have the studs coming out …
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This is the standard Muncie 4-speed case. It has a seven-digit serial number cast into the case on the passenger’s side. These are usually the first numbers …
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424· it only sounds like a rock crusher as if you could actually put rocks in the transmission and crush them into gravel
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331· M22 4 speed rock crusher Jump to Latest 5.9K views 19 replies 13 participants last post by 1970 GMuscle Apr 4, Grey chevelle Discussion starter
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427· 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 …
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STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR ULTRA CASE With The Strongest M22z ULTRAWIDE RATIO 4 SPEED TRANSMISSION. A GREAT HEAVY DUTY ROCKCRUSHER FOR YOUR CAMARO, NOVA, CHEVELLE, CORVETTE, GTO,442. THE MAIN CASE IS THE STRONGEST MADE with fill and drain plugs. C355 Forged Aluminum Mid …
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2025722· Waaaayyy back in 1970 I had a brand new 70 LS5 Chevelle with a Rock Crusher & 3:31 gears. 1st thing I did was get 4:10 gears. I was able to take off in 4th gear without giving it any gas, just by easing up the clutch! All that low end torque! 2nd thing I did was swap cams. Got rid of the hydraulic LS5 cam and replaced it with the solid LS6 cam.
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2014720· 68 chevelle muncie m22 rock crusher transmission roc89 99 subscribers Subscribed
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424· Now the "rarest" of the M22 transmissions is the "stone crusher" I remember a few clueless dealers using the "M22 stone crusher" in their less than intelligent ad copy.
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2025427· General » General Discussion [ARCHIVED THREAD] - Why Is The Muncie M22 Transmission Called The ''Rock Crusher?'' (Page 1 of 2) ARCHIVED Previous Page Page
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