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This is a BEEFY version of the original Rock Crusher transmission. 71 - 73 models M-22 ~ Input Shaft = Fine 26 Spline and 32 Spline Tail Shaft...

3 Aug 2018 The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet's big-blocks in the mid-1960s. The M20 and M21 transmissions produced from 1963-'74 are easy to One more way to identify the Muncie is via stamped codes in the 3, Month code it was assembled (i.e., M = August)....

How to Identify a M22 Rock Crusher It Still Runs. An M-22 "Rock Crusher" is a Muncie four-speed transmission for cars made by General Motors in the 1960s....

3 Sep 2015 (Rock Crusher) transmission at work in a 1966 Chevrolet Chevelle. Your browser does not currently recognize any of the video formats...

(2) uses the legendary M22 'Rock Crusher' gear geometry Check it out here. M-Series mainshafts, used almost always in new gearbox production, will...

How to Identify Muncie 4 Speed Transmissions. of the gear train and less heat but created more noise, thus the nickname "rockcrusher". The letter M was used to ID the Muncie plant for the Muncie 3 speed, so P was the next logical letter....

(2) uses the legendary M22 'Rock Crusher' gear geometry To date we've kept pace; but we both know we can't continue to satisfy your M-Series mainshafts, used almost always in new gearbox production, will probably be dropped....

29 Jun 2009 I'm fairly sure it's not an M-22, as the input shaft has two ring grooves on mine, while M22 transmissions can only be identified removing the selector Although some claim that the M23 is a 'rock crusher', it is indicated that...

General Motors used many manual transmissions during the muscle car era. An easier solution would be to find one of the more standardized 2.52:1 or 2.20:1...

Cane-Crushing-mill-with-planetary-gearbox, Gearboxes - M/S .. gearboxhow to identify a chevrolet rock crusher gearbox mrock crushergear trans speed rock...

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...

1967 - 1968 Firebird Muncie Four Speed Transmission, M-22 Rockcrusher Complete original GM Muncie transmission rebuilt and guaranteed for 1 year. Correct...

9 Apr 2010 But I am having second thoughts about the transmission. As far as I know M-21's were not offered in GM vehicles in the late 70's. will have a Muncie 4 speed and if the car has a "big block" is't got a Muncie "Rock Crusher"....

Incorporated throughout the transmission are gears specifically designed to Many GM high performance engines came with the M-22 "Rock Crusher" in Always check to see that the date marked precedes the final assembly stamp code....

7 Jul 2016 An M-22 "Rock Crusher" is a Muncie four-speed transmission for cars made by General Motors in the 1960s. Identify a transmission type...

Muncie M22 4 Speed Rock Crusher Gear Set, 26 Spline, GKM22A in Transmissions & Parts....

25 Jul 2017 Your browser does not currently recognize any of the video formats available. The problem is that original Muncie M22 Rockcrusher transmissions are makes a M-23 Severe-Duty 'Rockcrusher' with a brand transmission...

Several things are needed to identify a Muncie correctly. 1964 to 1968 Muncie 4-speed transmissions can be identified from later models Muncie 4-speeds were produced in two different ratios wide-ratio (M-20) and close-ratio (M-21). gear train and less heat but created more noise, thus the nickname "rockcrusher"....

27 Sep 2020 Find, read and cite all the research you need on ResearchGate. Analysis of the Single Toggle Jaw Crusher Force Transmission Characteristics balance of forces at the moving joints and appropriately relating these to the apply the large forces that are required to crush hard rocks by compression....

How to Identify Muncie 4 Speed Transmissions. The most popular question has to be that everyone thinks they have the famous "rockcrusher" M22 4 speed....

Muncie four-speed manual transmissions came in many GM models of the '60s "Big 3" four-speed transmissions and who can help you identify what you've got. It uses much the same gear ratios as the close-ratio M-21, but can take more abuse. People think all Muncie four-speeds are Rock Crushers, but they're not....