Feb 05, 2019 SOUND BITES. February 05, 2019. There is a motorcycle manufacturer you know the one whose engine and exhaust notes are as jealously guarded as money in the bank. Recently, I had an interesting conversation with an Auto Gear m22 customer who maintained that the whine produced by GMs Rock Crusher four-speed was equally valuable.
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 Rock Crusher.
Jun 09, 2021 The M22 Rock Crusher featured a one-inch countershaft pin bore and shot-peened gears with aggressive helix angles that reduced heat and stress but also increased noise, leading to the nickname as the transmissions rattled their way down the road.
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 ...
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 Muncies ...
Also M22 gear sets were of 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 rockcrusher . The higher nickel alloy allowed for more impact of the gears. Another misconception is if you have a drain plug you have an M22.
Aug 12, 2021 Mystery Muncie First Gear noise eliminated. This is about as close to a factory supplied transmission as you can get. ... Details about Muncie M-22 Rock Crusher Four Speed Transmission - RARE Drivers Side Speedo . 1 viewed per hour. 4 product ratings. ... MUNCIE M22 M21 M20 4 SPEED GENUINE O.E. INPUT BEARING RETAINER 3915020. 139.95.
How much horesepower will a muncie m22 rock crusher take Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, How much horesepower will a muncie m22 rock crusher take, quarry, aggregate, and different kinds of minerals.
Nov 15, 2018 It was also the last year for the M22 Rock Crusher heavy-duty transmission, so named for the noise generated when shifting. Due to increasingly stringent emissions regulations, the entry-level 1971 Corvette was returned to run on low-lead fuel and made just 165 bhp from its big V8.
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.
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.
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 ...
Aug 02, 2021 Muncie M-22 Rock Crusher Four Speed Transmission - ALL New Internal Parts. Report item. - opens in a new window or tab. Description. Shipping and payments. eBay item number 113849569201. Seller assumes all responsibility for this listing. Last updated on Jun 16, 2021 095748 PDT View all revisions.
This is the current Muncie M22. Your can see that the layout of the geartrain is identical to the ST10s. All gears and synchronizers are in the same position. Notice how the angle of the M22 gears is much straighter than on the ST10. The noise level increased because of this angle, giving the M22 the nickname RockCrusher.
Apr 26, 1997 What is a M22 Rock Crusher worth and a Muncie 3-speed from a 65 Impala I have a chance to buy a M22 and I want to sell the 3-speed. Thanks - Bob Anderson -- I have been told that men are natural warriors and killers and that women are naturally
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.
Aug 07, 2018 The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolets big-blocks in the mid-1960s. The M20 and M21 transmissions produced from 1963-74
M22 Rock Crusher Sale. New Super Heavy Duty Direct Replacement and Strongest M22s Made With Muncie Auto Gear Super Case and Strongest M22 Close Ratio or Wide Ratio Gears. 26 spline input and large 32 spline output shaft.
Nov 26, 2006 Muncie rock crusher vs. TKO 600 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.
For sale is a Factory Replica of the CLOSE Ratio Muncie Rock Crusher Four Speed Transmission typically used in High Performance 1971 thru 1974 Corvettes, Camaros, Chevelles, Novas, El Caminos, Impalas, Oldsmobiles and Pontiacs.. Also included are Hand Fitted Synchronizer Sliders and Hubs. The hand fitted slidershubs improves shifting quality through all RPM ranges.
Oct 01, 2004 Also the gear teath in an M22 are STRAIGHTER cut than the others but still at an angle. You have to be careful, alot of people say they have a Rock Crusher or an M22 but once you take a look at it its usually NOT. I myself have mever seen an M22 in real life just in books but I have seen LOTS of M20s and M21s.
The M21 amp M22 is a four speed, RWD or 4WD transmission. The M21 amp 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 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 1966amp1967.
The M20 and 21 have an approximate 30-degree angle, while the M22 uses an angle of just over 20 degrees. The straighter-cut, higher-grade nickel alloy teeth produced a whine that was hard to cover up. The M22 was dubbed Rock Crusher because of the inherent noise from the 20-degree gear set.
How to Identify a M22 Rock Crusher eHow. 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. ... The term rock crusher refers to the noise made by the meshing of the... Read more. Camaro - Transmission - Camaro ...
Jan 30, 2014 the lower angle reduces thrust wear, heat and increase strength do the gear tooth being thicker, but it increases noise. which is why it is called the Rock Crusher . The second is that the M22 gears have a higher nickel content, again making them stronger than the M2021 gears.
Jun 20, 2012 In a nutshell, the M-22 was beefed up with a new 1 countergear pin and the helical-angle cut gears which make that great gear noise we all love so much, thus the name rockcrusher . Jun 13, 2012 3 axlefoley Veteran Member
Apr 27, 2016 The first time I heard the term rock crusher was in reference to the transmission in the 1967 L88 Corvette. Due to the low gear angle there is a fair amount of gear noise, really like a medium heavy duty truck transmission. True enough the M22 did
Sep 02, 2013 Noise standards for 1973 lead to the demise of the M22, plus the 454 was getting its heart ripped out by specific emissions tuning so it no longer threatened to trash an M21. The M21 was the 4-speed specd for the LS4 of 197374.
Jul 15, 2013 Converting to a M22 Rock Crusher. Jump to Latest Follow ... Theres nothing magical about the M22 other than the noise as stated. An M22 is the M22 gear set same ratio as M21, with straighter cut gears stuffed into a M2021 case. Thats it and thats all youd have to do.
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.
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.
Although the gears are not spur gears completely straight they still produced a fair amount of gear noise thus the Rockcrusher name. These 4 speeds sound like a blower drive. For the real gear head the best documented movie that sports a real M22 in a car is the famous movie Two Lane Black Top .
David on Auto Gear Super Case Muncie M22 4-Speed Rock-Crusher, Camaro 4-speed 1027 or 2627spl. SUMMER SALE ON NOW Michael Welage on Auto Gear Super Case Muncie M22 4-Speed Rock-Crusher, Camaro 4-speed 1027 or 2627spl. SUMMER SALE ON NOW Shawn Riley on Muncie Super Duty M23 Super Case 4-speed Road or Drag Racing Rock-Crusher. SUMMER ...
Oct 29, 2001 The rock crusher gears alloy content is different and the different gear angles make the noise. The ratios are the same for both. Is there a difference in the synchros or anything else to make an M22