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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 …
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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. ... The M-21 is the close ratio 4-speed. It was used on high performance models with numerically high rear end ratios. ... The M-22 was the "rock crusher". It had the same gear ratios as the M-21. The VIN is stamped on ...
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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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1972 Muncie M22 4 Speed Transmission, original M22 sold over the counter or installed under warranty with a CT2 ("counter transmission 1972" case), this gearbox will have the classic "whine" due to the cut of the GM gears that are in excellent condition, remanufactured with attention to detail and expert assembly, restoration included a major overhaul kit with bearings …
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According to Paul Cangialosi, Muncie transmission historian, technician, and author of Muncie 4-Speed Transmissions: How to rebuild and modify, the Muncie four-speed transmission has its roots back to 1935 and the U.S. patent number 3,088,336 along with an engineer named James W. Fodrea.This patent number, according to Cangialosi, can be found …
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The Muncie 4-speed transmission is a legend among fans of GM muscle cars. For a 10 year period starting in the golden age of 1960s performance, General Motors' Muncie, Indiana transmission factory churned …
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1967 - 1968 Muncie 4 Speed Transmission, M-22 Rockcrusher Complete original 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 …
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The most popular question has to be that everyone thinks they have the famous "rockcrusher" M22 4 speed. This had the same gear ratios as the M21 but with a heavy duty gearset. The reason you may ask?
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Across the top of the page are the words "First Build 4/15/65 – 1st Shipment 4/19/65, recap of M22 (Rock Crusher) Trans." By comparing these M22 transmission assemblies to Chevrolet's 1965 transmission identification codes, I found a perfect match. ... On this document the 4 speed transmission option code listed the transmission as an ...
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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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This a BRAND NEW SUPERCASE M22 4-Speed Muncie Rockcrusher Style Transmission. Each new Auto Gear transmission is built from genuine Auto Gear parts, the highest quality available. This is a BEEFY version of the original 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 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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Home of the world's best 4 speed muncie transmissions and parts. We also offer muncie rebuild kits, racing parts and m22 rock crusher transmissions.
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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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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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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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M22 4 speed rock crusher. Jump to Latest ... 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. Fair market value could be as much as $1500-1600 as a rebuildable M22 "core".
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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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Transmission and Drivetrain Tech . A 833 vs Toploader vs Muncie (rockcrusher) Thread starter nemesis; Start date Oct 15, 2009 - N. nemesis Well-Known Member ... a bullnose toploader was the strongest of its kind, dont know too much about the A 833,but would prefer to have a mopar 4 speed in my car than a ford one.
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1972 Muncie M22 Rock Crusher 4 Speed Transmission ORIGINAL C CODE (#267075875534) y***r (109) - Feedback left by buyer. Past 6 months. Verified purchase. Not only was the transmission as a listed it was shipped in a nice packed box i would highly recommend this seller to everyone.
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1972 Muncie M22 Rock Crusher 4 Speed Transmission ORIGINAL C CODE (#267075875534) y***r (109) - Feedback left by buyer. Past 6 months. Verified purchase. Not only was the transmission as a listed it was shipped in a nice packed box i would highly recommend this seller to everyone.
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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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Tuning the Terra Crusher Tamiya's Terra Crusher is one of the most advanced radio-controlled nitro monster trucks available. Equipped with a 2-speed forward and reverse transmission, the Terra Crusher can move from forward to reverse on the fly while shifting gears automatically (all of which is done utilizing a 2-channel radio system).
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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 cover. The side cover has seven bolts and two shift cams. The synchro rings have 35 teeth and the unit has a 4 step cluster gear. ... Rebuilt Transmission M22 1966-1974 Rock Crusher ...
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In the 1960s, the rarest muscle car transmission was the M22 'Rock Crusher' 4-speed manual gearbox. While it is not well documented, it is estimated that between 1966 and 1974, only 500 to 1200 ...
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They designed a 3-speed transmission, the T85, which was originally used in the 1935 Chrysler Airflow. It was used right up to 1971 in the Ford Pickup F100 with an overdrive. The T10 shares the same case design, gear centers, and 3-4 synchronizer as the T85. The cases have a distinctive similar size, shape, and cover-bolt pattern. ...
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The Muncie 4-speed transmission was used with many different GM models and engine combinations from 1963 through 1974. The basic design and operation theory of the gearbox changed little during this period, however several design upgrades and modifications were made during the total production run. ... M-22 "Rock Crusher" Identification The M ...
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Axle ratios of 3.73 and lower (numerically higher) came with close-ratio transmissions, while axle ratios of 3.55 and higher (numerically lower) used wide-ratio …
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GTO 3-Speed Transmission, 1972 GTO, Heavy Duty 3-speed transmission, Dearborn, Muncie, M13, M12, Muncie M20, M22 rock crusher, Auto Round-Up MagazineA: L.C., thanks for the nice words. The transmission listed on the build sheet you sent me is indeed the Heavy Duty 3-speed transmission I spoke of in the a recent Auto Roundup/Car Collector …
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An inside look at the N-series M23 four-speed manual transmission from Auto Gear Engineering and an interview with designer George Sollish. ... and the M22 "Rock Crusher" in three ratios (2.20:1 ...
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The Muncie case (3831704) replaced the T10 4-speed in the 1963 Chevrolet Bel Air and Corvette by mid-May of that year. The T10 front bearing size was reduced in diameter in 1963 only. This meant that the transmission's front bearing retainer and register bore of the bellhousing were also smaller in diameter.
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1971 muncie 4 speed transmission worked great when it was removed comes with with hurst shifter and hydraulic throw out bearing included is all the casting numbers so you can look it up its a close ratio m22 32 spline output ... Muncie M21 4 Speed Transmission Rock Crusher Close Ratio 2.20 3925661. schiadarivertunnel (4533) positive ...
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1972 Muncie M22 4 Speed Transmission, original C code M22 case, rock crusher gears, this gearbox will have the classic "whine" due to the cut of the gears, remanufactured with attention to detail and expert assembly, beautiful set of gears, restoration included a major overhaul kit with bearings and synchronizer rebuild, the finishes as seen are natural aluminum …
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The new base transmission was a Muncie heavy-duty 3-speed manual transmission that was related to the Muncie 4speeds. The 1971 transmissions were the same as from previous year, except that the M-21 …
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This a BRAND NEW SUPERCASE M22 4-Speed Rockcrusher Style Transmission. Each new Auto Gear transmission is built from genuine Auto Gear parts, the highest quality available. This is a BEEFY version of the original Rock Crusher transmission.
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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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