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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Equipped with a M22 "Rock Crusher" four-speed manual transmission, cowl induction hood, and wide racing stripes, this Chevelle offers the perfect blend of power and style. Key Highlights: • 454 cu-in V8 LS5 with dual exhaust and 390 …
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'66 Chevelle SS396 L-78 M-20 4-speed 4.10 posi Black-on-Black numbers matching (SOLD!) '67 Cutlass with a 540 '67 Camaro (SOLD) '65 Biscayne 2-dr post (kind of a BIG Chevelle) Vega S/G (For Sale with REAL nice 18 degree SB motor parts and a 9.40 350 in it.) several Olds 442's (funny lookin' Chevelles) (2 sold)
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We are restoring a 72 Chevelle SS and would like to use a Muncie "Rock Crusher". Is there anyone out there that and tell me the difference between a Muncie M22W and a M22 Rock Crusher. ... A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Come join the discussion about restorations, builds, performance, modifications ...
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This Chevelle's body lines are arrow-straight, with good panel gaps throughout. Step inside, and you're transported back to 1972. The all-black interior is a time capsule, looking fresh off the showroom floor. ... Power is sent to a 12-bolt rear …
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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. ... and by 1969 it was found on vehicles as diverse as the Chevelle, the Camaro, and the ...
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Is this a real M22 Rock Crusher? Jump to Latest ... A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and …
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"Spending" 3000$ on a bolt on, period correct, grin inducing almighty and mythical transmission that is the great Muncie M22 Rock Crusher makes more sense for many …
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Some 1970 Chevelle's may have 26 spline Inputs or 32 spline outputs. ... C = 2.20 first gear Rock Crusher M22. One example code would be ( P0E21 A ) which reads: Muncie four speed aluminum for passenger car, 1970, May, 21st, ratio M20. Just For You. Sign up and be the first to know about discounts, tips and everything D.M.E.
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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 in 1969 or 1970. I had one in my 1970 Chevelle SS 454-450HP LS6 car. I bought it new. The Rock Crusher was very noisy due to the straight cut gears.
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8. The M22 Rock Crusher 26-spline input shaft sports a wider gear for greater torque capacity. Just because you've found a 26-spline input shaft does not mean you've found an M22 input shaft, which is made of a stronger alloy. The standard 10-spline input shaft found its way into new Muncie M20 and M21 transmissions from 1971-'74.
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M-22 "rock crusher" Jump to Latest Interested in helping us test a way to shape the future of forums? ... A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! ...
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1972 Chevrolet Chevelle 2 DOOR HARDTOP Additional Info: 1972 Chevelle SS. 454 12 bolt bench seat 4 speed m22 car .All numbers match vin motor Tranny and rear matchingWas built in California sat in storage for 32 years Original color is mulsanne blue black stripes and black vinyl top Numbers matching engine rebuilt professionally all original out of car .
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Team Chevelle. Archives. 2003
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Sitting underneath the hood is a behemoth 396 C.I. big-block V8 breathing fire through a 4-barrel carburetor, this '69 Chevelle is a monster on the street. Torque is stomped into the pavement through a correct Muncie M22 "Rock Crusher" 4-speed manual transmission, which allows for both quick shifting and plenty of smiles behind the wheel.
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1966 375 Hp M22 Rock Crusher 52k Original. ... He bought a green 66 SS Chevelle from a racer.....urban sprawl had forced the closing of the famous LIONS strip in Carson, Los Angeles area near our neighborhood. The car had all the stuff on it as it was bought for racing...fenderwells cut out for headers, lift bars, etc. I believe the 396/375 had ...
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Would that be the "488 Rock Crusher" like you stated in post #1. Well the bad news for you is there is no such thing as a "488 Rock Crusher". But if you knew anything you would know that. ... I have been looking at and studying Chevelle trim tags for twenty five years and have truely never seen one installed as poorly as yours.
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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-Plate.
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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 units are highly sought-after for performance applications. ... 1971-'74 Firebird, Camaro, El Camino, Corvette, Chevelle and Sprint. 1973 Buick Century. 1973 ...
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The M22 transmission has a 20 degree helix angle on the gear set as opposed to a 45 degree angle found on the M20 and M21 and were made with a higher nickel alloy. The straighter angle was designed to produce less end loading of the gear train and less heat but created more noise, thus the nickname "Rock Crusher" was born.
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The transmission would make the same rock crusher noise, but I would have a much tougher transmission. 1966 Charger (383, 727 Torqueflight) 1970 SS 454 Chevelle (LS5+2, M22, 3.31 12 bolt)
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1970 CHEVROLET CHEVELLE 454CI LS6 MUNCIE ROCK CRUSHER. Medina, Ohio, United States. 454 LS6. Manual. 52. 1970. Concours level restoration Triple black Bench seat ss 396 4 speed Chevelle. Holliston, Massachusetts, United …
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On Woodward Avenue late on a summer evening, all eyes were on a black 1969 Chevrolet Chevelle. Owner Darrin Slota gave the throttle squeezes that briefly lifted the nose and smoothly shifted the Muncie M22 Rock Crusher four-speed gearbox. I couldn't help but think that it was a cruise night in 1969.
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A lot of people think all Muncie's are rock crushers, but the M-22 is the one and only. You are buying 1968-69 Rebuilt 3925660 Muncie close ratio complete bolt in and go M-22 Rock Crusher 4 speed transmission set up A complete quality rebuild kit was used.
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I am going with a big block and want the most sturdy one. And the rock crusher sound is neat too. Casting: 3925660 Years: 1968 - 1970 ... A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! ...
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The straighter angle was designed to produce less end loading of the gear train and less heat but created more noise, thus the nickname "Rock Crusher" was born. Another misconception is if you have a drain plug you have a M22.
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69 Chevelle SS396 L78 4-speed, Post Sedan, Black W/black vinyl bench seat. (Under restoration) 69 Chevelle SS396 L78 4-speed Post Sedan, Silver, black vinyl bench seat. Berger car 70 Chevelle SS454 LS6, M22, 4.10, Forest Green, Green buckets. (Nearing completion) 69 Chevelle SS 396 L35 Post Sedan, Silver, Blue bench, 4-spd (Sold)
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Correct fit for all 1967 - 1968 model Chevelles and Novas. This one will have the studs coming out from the side where your shifter linkage mounts. This is the Muncie M-22 Rockcrusher four speed. Designed for the highest performance …
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M22's are called rock crushers because the way the gears are cut they are noisy. 4th in the M20, M21 & M22 are all 1-1 so no difference in 4th except the noise. ... A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Come join the discussion about restorations, builds, performance, modifications, classifieds ...
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thank you for your input, as with the input from DZauto, I know how to check for the gear ratio now, but how do I tell what tranny is in this car. the "sound" ppl have asked my son what rock crusher does he have, that's is again why we assumed that's what is in it. the build sheet says it has a m20 tranny with 3:31 gears but we know this is not ...
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i have an m22 rock crusher, i'd like to change the oil, but im not sure what type of oil ... Team Chevelle #998 1965 Malibu SS L79 2006 GTO, 2004 GTO 1969 C10 Shortbox Fleetside. Save Share Reply Quote Like. S. SWHEATON. 9084 posts · Joined 2002 Add to quote; Only show this user ...
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Muncie M22 Rock Crusher 4 Speed Transmission 2.20 1st Gear Close Ratio 26/32 Spline Main Case 3925661 Tail Housing 3978764 Side Cover 3952648 P.1B12C ... A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting ...
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