What make you think you have a "rock crusher" trans? The nickname "rock crusher" was only used on the heavy duty M22 4-speed trans. That trans was only available in the Nova in 1968 and 1969. Did you or a prevuous owner replac the original trans with an M22? As for being a real SS, it may be. You could order the SS package on the standard Nova ...
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It was much easier to stockpile Muncie spare parts and cores in the 1970s than it is today. Reliable sources to validate information regarding serial and casting numbers will get scarcer as time passes. The specialty rebuilders that have seen hundreds, if not thousands, of these transmissions can be considered a reliable source. These guys […]
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For example, due to interchangeability, a 1969 Pontiac could have a trans case and gears from a Buick and a rear housing (extension) from an Oldsmobile. ... M-22 "Rock Crusher" Identification. The M-22 close-ratio transmission is easily …
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well a buddy of mine has a rock crusher tranny for a dodge and i was thinking about getting it. but im not to sure how good they well handel alot of power.. he said they'll handel alot. well what do you guys think? i could make the motor a high comperssion 440 with 13:1 comperssion, then put the 4 speed behind it and be a cool old school car, or would it handel if i …
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muncie m-22 rock crusher trans for sale Parts for Sale
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NEW DESIGN MUNCIE M22 ROCK CRUSHER CLOSE RATIO 4 SPEED. THIS IS THE M-22 TRANSMISSION THAT GM COULD NOT BUILD! Newly designed STATE-OF-THE-ART Muncie front case from "Auto Gear". This is by far the …
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Each new SuperCase transmission is built from the highest quality available. Includes all the goodies: SuperCase, gear ratio choice, heavy-duty set with a oilite bushed side cover. Ready to be filled, install and it's available at a great price.
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If you've ever driven a classic muscle car equipped with a four-speed manual transmission, you probably experienced the joys of commanding a Muncie Rock Crusher. Some classic 1960s General Motors ...
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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. ... The only problem I ran into was the 3rd & 4th gear linkage arm on the shifter hit the inside on …
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THIS IS OUR Complete M22 gear train for the Muncie 4 Speed available in 26 or 10 clutch spline input. This kit will replace original M20 / M21 or M22 sets. You receive what you see, input, …
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The SM420 and SM465 are both Muncie transmissions, but Chevy also used Allison and Borg-Warner transmissions, as well as M-20, M-21 and M-22 "Rock Crusher" Muncie transmissions in high-performance cars.
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If a factory non locking slider is used the transmission will eventually pop out of gear. The hand fitted locking sliders/hubs improves shifting quality through all RPM ranges. Skip to main content
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Knowing how much oil your trans holds will allow you to measure the oil extracted to verify that you've gotten the majority of it removed. Use the same pump to put the new oil in. Note that unless you have a lift, you'll need to put the entire car up on jack stands so that it's level in order to replace the oil to it's proper level.
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Trans Am Prices are going through the roof! (See Hagerty Valuation in Photos) Don't miss this rare opportunity to be driving this 1972 Trans Am equipped with. its 455 HO Engine and 4-Speed M22 Rock Crusher Manual Transmission. …
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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 common to the rock crusher (M22) transmission. This chart, so far, has been very accurate in identifying the muncie trans. over the years, so I wanted to share.
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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 ...
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The top dog of the muscle car era: an LS-6 Chevelle! Rated at 450 hp that was the highest of them all including the hemi. This Chevelle has only 170 miles since a body off frame, rotisserie restoration to LS-6 specs from the correct motor …
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The M22 Rock Crusher used a gearset that features less of an angled-tooth gearing (right). Images courtesy chevelles. The gear ratio of the Chevy four-speed transmission placed in any car was usually determined by the engine size and rearend axle ratio. If a car came with an axle ratio of 3.73 (or numerically higher), it usually came with a ...
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Exceptional packaging to protect my investment of Muncie M22 code - C,4 speed trans. Communication above and beyond. Received as described. Very satisfied with purchase.
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This M22Z trans was built for my 1970 Chevelle SS 402 bb stock configuration which had a frame off restoration 7 yrs ago. Changed from auto to manual. This made the Chevelle much more enjoyable to drive, a huge performance enhancement, gets the cam in the rpm sweet spot. Conversion looks identical to stock since most parts are all stock bolt-ons.
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1969 Camaro 4 Speed Muncie Transmission Conversion Kit, Choice of M20, M21, or M22 Rock Crusher : Alternative Views: Our Price: $ 3,675.00. PART NUMBER: TRA-620. Transmission Kit Options. Choose ... 1969 Camaro 4 Core Row Small Block OE Style Radiator for Manual Trans, 21 Inch 1969 Camaro Shift Boot Retainer Ring Plate, Chrome 1969 Camaro ...
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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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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 the side where a bolt will secure your shifter linkage levers. This is …
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NEW DESIGN MUNCIE M22 ROCK CRUSHER CLOSE RATIO 4 SPEED. THIS IS THE M-22 TRANSMISSION THAT GM COULD NOT BUILD! Newly designed STATE-OF-THE-ART …
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the "rock crusher" name comes from the noise generated by the reduced helix angle on the gears... Not entirely sure, but I think the new "M22 Wide" still uses the same helix angle, and therefore, probably just as noisy... The differences... the old "Rock Crusher" was a "close ratio trans, the same as the M21...
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The Muncie four-speed is as legendary as the cars that it was put into, with the M20, M21, and Rock Crusher M22 models all part of the hot rod vernacular. From the OEM factories to racetracks to ...
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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 Crusher? Is the VIN# located on the transmission to verify it's correct and if so where's it located? Thanks, Donnie.
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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 incorrect transmission, your car may not function properly. You can identify several unique signs that identify an M-22 "Rock Crusher," even if it does ...
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To understand the evolution of the Muncie 4-speed you have to look at a series of engineering platforms that led to the final design of this transmission. The Muncie design has roots going back to 1935. I took the time to research the patent …
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ORIGINALLY, in the beginning of the Muncie evolution, there was the M20(wide ratio) and the M21(close ratio). A VERY, VERY, VERY few Heavy Duty, close ratio Muncies were specially built for severe duty service (such as for the 425hp/396 Corvettes) in 1965. THEY WERE NOT CALLED M22 IN 65-----they were simply a Heavy Duty close ratio Muncie..
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