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 ...
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 …
The naysayers are saying "nay", again!! :here!: Now that my TKO 600 is all installed and functioning flawlessly, people are telling me I should have installed a Muncie M22 in my car instead of a TKO 600? I just finished the project, and already I have received this criticism from like 4 different gearheads. They say the old Muncie is bulletproof and can take anything. …
Finally, a show car transmission worthy of your SHOW CAR OR STREET VEHICLE. The M22! This iconic transmission is based upon the infamous "ROCK CRUSHER" Transmission made famous in the 60`S AND 70`S by being …
This is how the Muncie countergear's design evolved. The center gear is from a BorgWarner T85 3-speed. The lower gear is the latest version of the early T10 and the upper is the Muncie M22. Note how the Muncie gear is physically longer than the T10. The reason for these design changes was simply to meet the demand for increased torque capacity
This bumbed me out since I had previously read that this was an indication that it was a Saginaw not a Muncie. It does have a 7 bolt side cover. Doe this mean it's still an M22 but just manufactured at the Saginaw assembly plant or it's not an M22 "Rock Crusher Transmission". I am just learning !
I believe the m22 can take about 500 foot lbs....but if you get it hook around 1.6 to 1.5 60 foot times....its going to break. I had a M21 with about 450 foot lbs and it held up ok...but never 60 foot better than 1.7.
This a BRAND NEW SUPERCASE M22 Muncie Rockcrusher Style Transmission. This is a BEEFY version of the original Rock Crusher transmission. Most all the weak points of an original Muncie have been solved by the Super-Case design. The Supercase has extra casting in all the known weak areas.
I currently have an M22 Rock crusher in my '56 Chevy pickup, and have another M22 that was rebuilt about 6 years ago by my father but never used. ... you flip the 3-4 shift lever on the side of the trans so it points down instead of up and your shift pattern remains the same. Halfdozen, Jun 28, 2008. ... I replaced the M22 with the wide-ratio ...
The first substantial piece of documentation I found concerning the 1965 M22 transmission was the complete breakdown sheet for all M22 transmissions from 1965 through …
i have an m22 rock crusher, i'd like to change the oil, but im not sure what type of oil (weight) to put into it? 80/90? also any suggestion how to quite down the whine that it ... and other syn oil mfgs reformualted the syn trans oil with friction properites for proper synco operation in our older muncie trans that would not attack the yellow ...
The M20 is the wide ratio regular Muncie (2.56 in 63-65, then 66-74 it was 2.52), the M21 is the regular close ratio (2.20) and the M22 is the Heavy Duty (Rockcrusher 66-72, no documentation for a 73-74 M22). ... with a M20-21 amd wanted to convert to a really strong M22, it's too easy. First, break it all down to the bare case. Then send the ...
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.
I was reading in another thread how the muncie wasnt all that strong, but i thought id start a debate with all the big three manual 4 speeds... I live in australia,an unfortunetly coming by a well made A 833 is hard an parts are even harder, but theres plenty of toploaders around. Im pretty sure a bullnose toploader was the strongest of its kind, dont know too much about the A …
Also the input shaft cannot be used as a guide because there are various firms now manufacturing replacement input shafts that have no identifying rings. A original M22 is a rare beast, as most have had various gears …
1969 - 1973 Muncie Four Speed Transmission M-22 Rockcrusher 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 the Muncie M-22 Rockcrusher four speed.
The first substantial piece of documentation I found concerning the 1965 M22 transmission was the complete breakdown sheet for all M22 transmissions from 1965 through 1974. This sheet lists by model year, each …
The only way to tell an M22 is by looking at the gear set. You cannot go by the old method of "it has a drain plug so it's an M22". Also the input shaft cannot be used as a guide because there are various firms now …
Muncie M22 Rock Crusher Four Speed Transmission with ALL new internal parts. ... For sale is a Factory Replica of the Close Ratio Muncie Rock Crusher Four Speed Transmission typically used in High Performance 1965 to 1981 Corvette`s, Camaros, Chevelles, Nova`s, El Camino`s, Impala`s, Oldsmobiles and Pontiacs. ... The hand fitted sliders/hubs ...
The Muncie four-speed was produced in two ratios: the wide ratio (M20) and the close-ratio (M21). That being said, there was a second, close-ratio version (M22) that was developed to survive duty behind engines with a higher torque output, and was known as the "Rock Crusher."
A tired rear bushing will give you a wobble under load ; the M22 "rock-crusher" noise is just in the cut of the gears, and quits once you shift into 4th . M21 Muncie's are fairly quiet till they come unglued .
Muncie m22 max torque / horsepower. Jump to Latest ... zero rock slider/hubs (use torque lock slider only with gearsets with torque lock synchros like korean gearsets) ... Note that how fast the clutch pulls the engine down has a huge effect on the height of the torque spike. Also note that in the lower gears as rpm is climbing, torque applied ...
In the beginning, the M-22 was the Heavy Duty Muncie, and it was available ONLY in the close ratio version (2.20:1 first gear ratio). The primary difference between the regular …
We have the best prices on Muncie 4 speed parts, including Chevy Muncie 4 speed transmission parts, and we can guarantee you a great selection of items extending from the lowest cost seal or bushing to a complete replacement wide ratio or close ratio M22 gear kit. More Information on Muncie M20, M21 & M22 Transmissions
I became aware of the nickname, likely a motorhead created comparison of the rugged transmission to rock quarry equipment, when, in late '68, a buddy traded a whipped '66 SS396 for a disaster of a 1962 Corvette with a 1965 396/425 engine and an M22 transmission, 4;56 ratio '62 style rear end, unbelievably cobbled shifter, cooling system and ...
How to break a muncie M22 rockcrusher... Jump to Latest 30K views 20 replies 8 participants last post by 71SS454 Nov 25, 2006. A. antihuman81 Discussion starter. 81 posts · Joined 2006 Add to quote; Only show this user #1 · Oct 17, 2006. What kind of abuse can these transmissions hold? I can get one for around $800 with a year warranty, but i ...
The Muncie is either a 2.20 or a 2.54 low ( 1st gear ) The Muncie seems to shift a little slicker but the I would go with a Ford Top Loader. Many years ago when I ran a BBC drag car ... I broke a few Muncies. Then I adapted a Ford Top Loader and stopped the breakage ... I also like the lower first gear. Down side is that the Ford Top Loader is ...
I was planning on getting a muncie rock crusher for my 68 cause ive heard theyre awesome trannies. ... at all and if any gm tranny I would get the M20 if you must have the manual and but put 3.73 gears in. Truely manuals break lots of parts when raced and are not great in heavy traffic. they still hold a certain cool factor but the novality ...
C3 General - M22 Rock Crusher - Just bought a 1968 (originally was 427/435..currently has a CE replacement block from 69)) and I believe it has a M22 vice M21. Intent at some point in the near future is to crawl under and check numbers/code. I know it has the factory 411 rear end (Code FB) so that is the first reason...