The letter M was used to ID the Muncie plant for the Muncie 3 speed, so P was the next logical letter. The letter O would add confusion since it resembles zero. The serial number is a date code the transmission was built for a particular year.
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 … Muncie M21 M22 Rockcrusher Four 4 Speed Transmission
How to Identify a Muncie Four Speed: Build Date Codes, VINs, and Input Shaft Guide to Muncie M20, M21, and M22 Four-Speed Transmissions Swapping a Six-Speed Into a Second-Gen F-Body Just Got Easier
There is strong evidence the Saginaw M20 wide ratio transmission did not appear before February/March of 1966, so all M20 4-speeds are assumed to be Muncie before this date. ... thus the nickname "Rock Crusher" was born. Another misconception is if you have a drain plug you have a M22. ... It should be noted that there are many different ...
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 "BEST" replacement aluminum case ever built for a Muncie! The front bearing is a "SEALED" bearing, and …
M21 Rock Crusher Saginaw Transmission - 4 speed transmission in a 1950 1/2 ton truck . 2008-12-20 · Thank you for the good information Chuck and sharing the pictures from the album,it is a very nice blue
How to Identify Muncie 4 Speed Transmissions. Identifying Muncie 4 Speeds III by Paul Cangialosi : 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?
M21 & M22 4 Speed Muncie Chevrolet & GM Rebuilt Manual Transmissions - Buy Factory Direct and Save Money! ... & 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. ... Chevrolet & GMC Rock-crusher: 1966-1974: …
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.
M21 Rock Crusher Saginaw Transmission . can a muncie m20 4 speed be changed to a m22. Muncie shift fork for all Muncie transmissions, M20, M21, .
Muncie Parts. Muncie Master Overhaul Kit. The ultimate Master rebuild kit for Muncie transmissions. ... Input / main drive with 10 spline for Muncie M20 or M21 transmissions. Please specify which input you need when placing your order. ... Saginaw, Muncie GM applications. Includes metric & American bolt, depending on application. $3.50 . …
GM Muncie 4-Speed Decoding. ... and is not to be confused with the Saginaw or Borg Warner 4-speeds. ... In addition, many GM high-performance engines came with M-22 "Rock-Crusher" in the 1970-73 years, however an early version of the M-22 was available as early as 1965 in Corvettes.
Is there anything about a "rock crusher" that is better in some respect than a Tremec TKO 600 as far as the gearset and case, input/output shaft, etc.? I do not know much about the Muncie, other than that they are legendary with the old-timers, they can take a beating, they are good for road racing, have a close ratio, and they make a lot of ...
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.
However we do sell more new Muncie 4 speeds than anyone else and actually design and make several transmissions and a load of parts. My new book published by Cartech publications allowed me the time to visit many shops to compile data on muscle car transmissions and photograph odd ball parts.
How to Restore Your Camaro: Transmission Guide. ... The Saginaw is pretty hefty with its cast-iron case, but the Muncies are a little lighter. All transmissions weigh less when the fluid is removed. ... The famed Muncie M21 and M22 "Rock Crusher" transmissions are tough and reliable manual transmissions that have served the …
With the exception of the Saginaw transmission and the TH200, these transmissions tend to be overbuilt for the stock power capacity of the Camaro. In my opinion, the T10 is stronger than the M22 "rock-crusher" muncie.
Tech expert James Berry answers a readers' question on how to identify a Muncie four-speed manual transmission. ... a Muncie four-speed transmission from a Saginaw or BorgWarner, or even what type ...
M21 rock crusher saginaw transmission – SAMAC. M21 rock crusher saginaw transmission Description : How to Identify a M22 Rock Crusher | eHow Count the input shaft teeth to find out the make of the transmission.
Feb 21, 2010· The most well known Muncie transmissions are the M20(wide ratio), M21(close ratio), and the M22(rock crusher). Although not mentioned much, there was also an M23 transmission that was used, beginning in 1970.
Jul 25, 2017· M23 'RockCrusher, Best 4 speed trans, Chevy and GM A lot of people may not be aware of this, because it's not advertised much. Most people that have an old m...
There is strong evidence the Saginaw M20 wide ratio transmission did not appear before February/March of 1966, so all M20 4-speeds are assumed to be Muncie before this date. ... thus the nickname "Rock Crusher" was born. Another misconception is if you have a drain plug you have a M22. ... It should be noted that there are many different ...
The Magical Muncie 4-Speed Transmission. ... A Muncie transmission differs from a Saginaw transmission in that its reverse lever is in the tail housing, not the side cover. ... The downside is it tends to make noise. It will rattle at low rpms and whine at high rpms. The M22 is called the Rock Crusher. People think all Muncie four-speeds are ...
A Muncie differs from a Saginaw transmission in that its reverse lever is in the tail housing, not the side cover. ... The Muncie M21 is a close-ratio unit originally designed to be matched with 4.11:1 or 4.56:1 GM 4 Series differentials. ... The M22 is called the Rock Crusher. "Dump the Rock Crusher," hot rodders say. People think all ...
May 01, 2009· The Rock crusher was the M-22 Muncie close ratio 4 speed transmission favored in the '60's GM hot rods.Well balanced, smooth shifting and after '60 Aluminum cased capable of a lot of HP. Dan W · 9 years ago
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 "BEST" replacement aluminum case ever built for a Muncie! The front bearing is a "SEALED" bearing, and …
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.
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.
muncie transmission rock crusher; ... A Muncie differs from a Saginaw transmission in that its reverse lever is in ... M21, and Rock Crusher M22 models all part of ...
M21 rock crusher saginaw transmission – SAMAC. M21 rock crusher saginaw transmission Description : How to Identify a M22 Rock Crusher | eHow Count the input shaft teeth to find out the make of the transmission.
Sep 08, 2014· M20 has weak internals and case but ok for street and chirping street tires, the M21 is a better choice for muscle on the street and a little weekend drag racing but the case is week Ive sheared the case ears off and twisted off tail shafts when running wrinkle wall slicks, the M22 (the rock crusher as we racers called them) are …
Muncie 4-Speed Identification Guide. ... "O" identifies the Saginaw 3-speed with overdrive. Serial numbers from 1963 to 1966 included only the month and day. For example, P0101 indicates January 1. From 1967 to 1968, the serial number used year, month, and day designators; the month designator is now a letter. ... M21, and M22 transmissions ...
m21 rock crusher saginaw transmission. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including quarry, aggregate, and different kinds of minerals.
With the exception of the Saginaw transmission and the TH200, these transmissions tend to be overbuilt for the stock power capacity of the Camaro. In my opinion, the T10 is stronger than the M22 "rock-crusher" muncie.
muncie m22 "rock crusher" muncie m20 & m21 & longtail show car quality transmission; saginaw show car quality transmission; ... this iconic transmission is based upon the infamous "rock crusher" transmission made famous in the 60`s and 70`s by being installed in the l-88`s, big block 425 hp factory muscle cars and hot rods of …
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.