m-22 rock crusher transmission

Muncie Identification | The H.A.M.B.

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. The M23 is recognized by a 26-spline(fine) input shaft and a large output shaft that requires a T-400 driveshaft yoke.


Muncie M-22 Rock Crusher Four Speed Transmission - New ...

Jul 14, 2018· Muncie M-22 Rock Crusher Four Speed Transmission - New Internal Parts. Report item. - opens in a new window or tab. Description. Shipping and payments. eBay item number: 1. Seller assumes all responsibility for this listing. Last updated …


m-22 muncie rock crusher | eBay

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.


Muncie 4-speed

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.


Chevy GM Muncie M22 Rock Crusher Wide Ratio 4 Speed ...

item 2 MUNCIE M22 ROCK CRUSHER 4 Speed Transmission Gear Set 2.20 Ratio 26 Spline 2 - MUNCIE M22 ROCK CRUSHER 4 Speed Transmission Gear Set 2.20 Ratio 26 Spline . $350.89. Free shipping. item 3 1970 Muncie Transmission 4 Speed 3925661 P0D30A M20 Corvette Camaro Chevelle 3 ...


How to Identify a M22 Rock Crusher | It Still Runs

Mar 07, 2011· 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.


NEW Auto Gear Super Case Muncie M22 4-Speed Rock-Crusher ...

Michael Welage on Auto Gear Super Case Muncie M22 4-Speed Rock-Crusher, Camaro 4-speed 10/27 or 26/27spl. FALL SALE ON NOW!!! Shawn Riley on Muncie Super Duty M23 Super Case 4-speed Road or Drag Racing Rock-Crusher. FALL SALE ON NOW!!! Michael OBrien on NEW Auto Gear Super Case Muncie M22 4-Speed Rock-Crusher Street/Strip. Camaro, Corvette ...


Muncie 4 Speed Transmissions

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? Well it wasn't designed so that you could go drag racing on Saturday night or impress in front of Burger King by doing massive hole shots ...


Chevy Transmissions: Muncie 4 Speed M22 Rockcrusher ...

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.


Muncie 4-speed Transmission (Group 4.000)

The term "rock crusher" refers to the noise made by the meshing of the strong-er 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.


GM Muncie 4-Speed Decoding : Drivin' It Home

M-22 "Rock Crusher" Identification The M-22 close-ratio transmission is easily identified internally from the M-20 and M-21 versions by the angle of the gear teeth. The M-22 was only produced in a close-ratio version, so it will not appear on models with high rear-axle ratios (3.55 or lower numerically) unless someone has changed it.


Muncie 4-Speed Identification Guide - Chevy DIY

Muncies with 26-spline inputs and 32-spline output shafts came as M20, M21, and M22 transmissions. Before 1969, only M22 transmissions had drain plugs. From 1969 to 1974 all-ratio Muncies came with drain plugs. Muncie countergears had the same number of teeth on first-, …


1970 Chevrolet Chevelle/Malibu 64-UP M-22 (ROCK CRUSHER ...

64-up m-22 (rock crusher) muncie transmission fine (26/32) with 3925661 case (brand new transmission has 26 spline input shaft & 32 spline output shaft at the drive shaft - has a new m-22 gear set with 3925661 case)


Chevy Muncie M20, M21 & M22 4-Speed Transmission Parts

There are two ways you can tell the difference between the M21 and the Rock Crusher. The M22 has 27 teeth on the countershaft gear, while the M20 and M21 have 29 teeth. M20 transmissions have two grooves on the input shaft, M21 transmissions have one …


how to identify an m22 rock crusher transmission

Muncie M22 Rock Crusher 4 speed - Hot Rod Forum : Hotrodders ... Can someone tell me how much a muncie m22 rock crusher is worth this transmission was produced buy gm in 1966&1967.


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". This is by far the "BEST" replacement aluminum case ever built for a Muncie! The front bearing is a "SEALED" bearing, and slightly thicker than the original Muncie's ...


probably a dumb question - m-22 rock crusher | NastyZ28.com

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!!


Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher Style ...

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.


M22-Wide vs M22 "Rock Crusher" | Team Chevelle

Oct 30, 2008· The M-22 gear teeth are cut at a noticeably lower angle (not quite at a straight angle as some people say). This lower angle of the teeth imparts greater strength to the gears, but it also increases the noise caused by the meshing of the gears. This higher level of noise is where the nickname "Rock crusher" originated.


The Mighty & Majestic Muncie 4 Speed Transmission - Wilson ...

The M22 is a serious beast when it comes to transmissions. The only negative was the noise that this transmission would produce. When the engine was driving at low revs the transmission would rattle like it had gravel inside and would whine at high rpms. The M22 was eventually dubbed the …


What is a Rock Crusher transmission? - Quora

Answer: It's a GM Muncie M22 four speed, used in high performance applications from 1965 to 1972. They had a lower helix angle in the gears and had a noticeable whine that very few other transmissions had. If you were running a GM hotrod, that was the manual trans to have. They're tough, like a ...


Muncie M21 and M22 Manual Transmission GM Overhaul Kit ...

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 ...


Guide to Muncie M20, M21, and M22 Four-Speed Transmissions

Aug 07, 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 …