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.
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.
Performance Built Muncie M22 Rock Crusher 4 Speed Transmission. This unit has been rebuilt at our state of the art facility. We have carefully engineered a process that allows us to bring you a product we can stand behind. This is a direct replacement for the following Chevrolet ,Oldsmobile, Buick, and Pontiac vehicles. Compatible Vehicles.
The 1965 Chevrolet M22 Rockcrusher Transmission The 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 This transmission identification code list was issued by the Chevrolet Facilities and.
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 same gear ratios as the legendary M21 but with a heavy duty gearset.
Sep 15, 2010 A Chevrolet Engineering Change Recommendation 68715 was issued on December 19, 1964, that proposed the changes required to change the M20-21 into the M22 rockcrusher transmission. This ECR is referred to several times through the 1965 Corvette A.I.M. (Assembly Instruction Manual) with the date stated on the A.I.M. sheets as April 23, 1965.
M-22 Rock Crusher 4-Speed Transmissions by JetBoatBill 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 .
Muncie Transmission is back! General Motors stopped installing Muncie 4 speeds in 1974. Complete units were able to be purchased from GM until the late 1970's. Parts trickled out of inventory by the late 1980's. With the quality of used Muncie transmissions getting worse in the last 10 years, the idea of making new improved Muncie parts was.
The term rock crusher refers to the noise made by the meshing of the stronger helical gears in the M22. Later model 1971-'74 Muncies are also popular with racers, because these transmissions used a 32-spline output that is stronger than the early 27-spline, and the newer units seem to perform better in high-rpm and high-horsepower applications.
Oct 07, 2014 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.
The Muncie 4-speed transmission was used from 1963-1974 on several different GM vehicles and engine types. The Muncie was typically used in performance engines. Changing the oil on these transmissions can be tricky, as the oil-fill port is on the side of the transmission. You will most likely need a hose to fill.
David on Auto Gear Super Case Muncie M22 4-Speed Rock-Crusher, Camaro 4-speed 10 27 or 26 27spl. SUMMER SALE ON NOW!!! Michael Welage on Auto Gear Super Case Muncie M22 4-Speed Rock-Crusher, Camaro 4-speed 10 27 or 26 27spl. SUMMER SALE ON NOW!!! Shawn Riley on Muncie Super Duty M23 Super Case 4-speed Road or Drag Racing Rock-Crusher. SUMMER.
May 12, 2005 M22 Rock Crusher Noise. Jump to Latest Follow The M20 M21 transmissions when in good condition are a fairly quiet transmission. If you want to know what a M22 sounds like get the movie 2 lane blacktop. There is a spot in the movie that you get a real good ear shot of a M22 . or you can come to york PA and i'll take you for a ride in my.
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 M20, M21 and M22 transmissions, you can use a combination of Muncie 4-speed transmission parts to build the transmission you want for your project car.
Aug 23, 2012 Oct 20, 2003. Location Sitting in my command bunker waiting for the zombi. If you plan to do a lot of racing, the TH400 will help your consistency. Running a high revving engine through the gears on the street is a lot of fun, but a manual is not the best choice for racing. If your car is truly capable of running 9's, I would be worried about.
M-21 close ratio, and the extra heavy duty close ratio M-22, also known as the Rock Crusher . The M-22 was generally installed behind severely powerful (high torque) big-block engines. The M-22 is distinguished from an M-21 by the angle of the gear teeth. The M-22 has straight cut gears. This make the transmission tend to be noiser (whines.
The Rock crusher was the M-22 Muncie close ratio 4 speed transmission Well balanced, smooth shifting and after '60 Aluminum cased capable of a lot of HP. The Muncie 4-speed transmission was used with many different GM models.
Jun 20, 2012 I've had my car since 1985 and my neighbors used to hear me rolling into the drive with the m-22,My dad used to tell me to fix that transmission,he also used to listen to the soild lifters and tell me that engine is loose fix it!! Every one calls their muncie a rock crusher but most if you check the numbers are B coded M-21's! Later Steve!!.
5.0 out of 5 stars. 1 product rating. - 3RD GEAR FITS 4 SPD MUNCIE M22 ROCK CRUSHER TRANSMISSION 27T WT297-11A. C $62.29. Top Rated Seller. Top Rated Seller. Buy It Now. +C $34.86 shipping estimate.
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. The reverse gears are helical cut and are located.
Muncie M22 Rock Crusher 4 SPEEDS FROM 1965 TO 1974 This page is devoted to OEM Complete units New aftermarket units and OEM parts and NOS parts. We have rebuild kits in stock and ready for shipment. Email us with your requirements and we will assist you in completing your M22 rebuild or providing you with a complete trans.
New Muncie M22 2.20 close ratio or 2.52 wide ratio Rockcrusher gear set is availabe with either a 10 or 26 spline input. Close ratio 26 spline gear sets available in Italian or Korean made. You must select whether you need a wide or close ratio which input spline count, 10 or 26. Fits all Muncie applications with 1 countershaft pin, 1966-74.
NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2399.00. No Price Muncie Overhaul Kit. Complete overhaul kit for Muncie 4 speed transmissions. Must specify if your transmission has a 1 or 7 8 cluster shaft (pin) 7 8 kit comes with NON stepped synchronizer rings. Please scroll down to order extras (cluster pin, wrench,sliders etc) From $114.95.
Aug 20, 2003 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.
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.
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 not have a GM hallmark imprinted on its surface.
Aug 24, 2021 This is a very rare 660 m22 rock crusher muncie, it is a service replacement transmission unstamped, no vin, it will be correct for 68 to 70, all rebuilt and guaranteed, all new straight cut gears, 220 ratio, asking 2475.
Recent Comments. steve cooke on Muncie Super Duty M23 Super Case 4-speed Road or Drag Racing Rock-Crusher. SUMMER SALE ON NOW!!! Mark A Jones Deltona Florida on Auto Gear Super Case M22Z Rock Crusher 4-speed. Perfect Performance with 2.73 to.