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Then, in 1966, the M22 (HD close ratio) became an RPO (regular production option) transmission. Because the angle at which the gear teeth were cut was less than the …
However, compared to the M22, the M22 Rock Crusher from 1966 was a high-performance gearbox that was even more durable. The M22 Rock Crusher used straight-cut gears (usually used in racing gearboxes), which led to its signature transmission whine, earning the "Rock Crusher" name. Using higher nickel content in the construction, the M22 Rock ...
Last time we talked about how to distinguish a Muncie four-speed transmission from a Saginaw or BorgWarner and the different types of Muncie transmissions, including the wide-ratio M20, the close ...
I was planning on getting a muncie rock crusher for my 68 cause ive heard theyre awesome trannies. But lately ive been reading that the tremecs are pretty good. The main thing i like is 5speed, cause i got a 12bolt 4:10. ... m22 is a really noise tranny. "From what I hear", Ill tell you what you hear and it is alot of whinning.... the 2.20 gear ...
MIDWEST MUNCIE Specializes in ONLY MUNCIE 4-SPEEDS unlike any other transmission builder and has been specializing in restoration and building of Muncie 4 speeds since 1976. ... racing parts and m22 rock crusher transmissions. Home of the world's best 4 speed muncie transmissions and parts. We also offer muncie rebuild kits, racing parts and ...
Across the top of the page are the words "First Build 4/15/65 – 1st Shipment 4/19/65, recap of M22 (Rock Crusher) Trans." By comparing these M22 transmission assemblies to …
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 close ratio Muncie (M-21) and the HD Muncie was the angle at which the gear teeth were cut.
Transmission & Driveline. M22-Wide vs M22 "Rock Crusher" Jump to Latest 21 - 38 of 38 Posts. 1 2. H. Hi-po SS 454 · Premium Member. Joined Aug 27, 2004 · 4,959 Posts #21 · Oct 30, 2008. Only show this user. I love hearing this info from Tom and Jody. ...
Across the top of the page are the words "First Build 4/15/65 – 1st Shipment 4/19/65, recap of M22 (Rock Crusher) Trans." By comparing these M22 transmission assemblies to Chevrolet's 1965 transmission identification …
Rock Crusher identity. ... The famous "rockcrusher" M22 4 speed had the same gear ratios as the M21 but with a heavy duty gearset. Although the gears are not spur gears ( completely straight ) they still produced a fair amount of gear noise thus the "Rockcrusher" name. ... Depending on the year of the transmission there are some things to look ...
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 mid plate is aircraft grade aluminum.
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 …
Complete New M22 SuperCase Transimissions include legendary Italian gears and shafts by Masiero, synchronizers by Euroricambi and Auto Gear's own thrust-button SuperCase, aircraft grade aluminum, 'Oilite'-bushed shift cover, …
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 …
Home > Gear Units and Components > REMAN TRANSMISSION > 66-74 M22 ROCK CRUSHER 4SPD 66-74 M22 ROCK CRUSHER 4SPD. MANUAL TRANSMISSION. Item #: MTGM038 Available: Special Order. 2014.14. Each Quantity: Add To Cart. Quantity: Price: 1: 2014.14: View additional images. X. Product Categories
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 …
NEW, Complete 67 - 68 Camaro Muncie 4 Speed Conversion Kit now available! This kit will get you everything needed to convert a automatic 1969 Camaro into a four speed machine! You have a choice of a original rebuilt GM Muncie M20, M21 or M22 Rock Crusher.
Muncie also had a second close-ratio transmission coded M22 and known as the "rock crusher," which was used behind performance big-block engines and in some Corvettes. These M22 units are highly sought-after for performance applications. The term "rock crusher" refers to the noise made by the meshing of the stronger helical gears in the ...
1969-1974 codes include a suffix letter at the end to aid in identification of transmission ratios. A = 2.52 1st gear wide ratio M20, B=2.20 1st gear close ratio M21, C = 2.20 first gear Rock Crusher M22. One example code would be ( P0E21 A ) which reads: Muncie four speed aluminum for passenger car, 1970, May, 21st, ratio M20.
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 !
C3 Tech/Performance - Oil for Muncie 4 Speed - Never gave much thought to what oil to put in my Muncie 4 speed until reading about some of the new formulations being bad for the brass parts, GL-5, or causing the synchros to not work as well. I know I need oil meeting GL-4 specification. Has anybody had experience with...
The M-21 is the close ratio 4-speed. It was used on high performance models with numerically high rear end ratios. The M-22 was the "rock crusher".
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 …
Get the best deals for Muncie M22 Rock Crusher 4 Speed Transmission at eBay. We have a great online selection at the lowest prices with Fast & Free shipping on many items!
8. The M22 Rock Crusher 26-spline input shaft sports a wider gear for greater torque capacity. Just because you've found a 26-spline input shaft does not mean you've found an M22 input shaft, which is made of a stronger alloy. The standard 10-spline input shaft found its way into new Muncie M20 and M21 transmissions from 1971-'74.
In 1965, GM introduced an even more robust version of the Muncie transmission, known as the M22 or "Rock Crusher." This transmission, with its distinctive whine, became synonymous with high-performance cars of the era. The M22 featured straighter cut gears, providing a more aggressive gear mesh for increased strength and durability.
Put the transmission in 2nd gear and remove the side cover to view the helix angle of the gears and the condition of the synchro engagement teeth. Fair market value could be as much as $1500-1600 as a rebuildable …
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 …
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?
Muncie M-22 Rock Crusher Four Speed Transmission - RARE Drivers Side Speedo (#1) e***e (156) - Feedback left by buyer. Past 6 months. Verified purchase. ... Muncie M22 Rock Crusher; Muncie 4 Speed Parts; Muncie 4 Speed; Muncie 4 Speed Gears; Muncie 4 Speed Case; Muncie 4 Speed Rebuild Kit; Muncie M22 Gear Set;
However, the Rock Crusher was only equipped in cars that had high-performance big blocks, including the Corvette, Camaro, Firebird and Chevelle. Thanks to the similarities between the M20, M21 and M22 transmissions, you can use a combination of Muncie 4-speed transmission parts to build the transmission you want for your project car.
Muncie M22 Aluminum "Rock Crusher" Transmission (Fits M20 and M21 and will match your 10 spline clutch plate and 27 spline drive shaft yoke and will accomodate your existing shifter) Paypal. We accept Personal Checks …
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. From the OEM factories to racetracks to ...
It could be anything from the throw out bearing to a transmission bearing. The whine is due to the cut of the gears when they mesh while driving. No good story ever started with a salad. ... when he passed. He said some of the repro gear sets didn't have the same whine. I have a set of the italian repro M22 gears under the work bench which I ...
That same lack of attention to detail also gave General Motors' M22 'Rock Crusher' its legendary "whine". If you're only interested in that noise, our M22 gearsets are not for you. ... the most accurate and strongest ever offered for a 'Muncie'-based transmission 6.) Housing, extension, endplates and midplates cast and machined ...
Transmission & Driveline. M22 oil? Jump to Latest 12K views 12 replies ... 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?
The 2.56:1 ratio is commonly referred to as the M20. 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. It is the heavy-duty version of the 2.20:1 ratio ...
STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR Upgraded Ultra CASE With The Strongest M22w WIDE RATIO or Close Ratio Gears for a 4 SPEED TRANSMISSION. A GREAT HEAVY DUTY ROCKCRUSHER FOR YOUR CAMARO, NOVA, CHEVELLE, CORVETTE, GTO,442. THE MAIN CASE IS THE STRONGEST MADE with fill and drain…
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. ... Turbo 400 size output, and drain plug that the M22s had, so don't be fooled into paying M22 prices for a non M22 transmission. Honestly, if I had a pair of M22s these days (and not the cars that ...
Believe I have just documented a rare find, Muncie M22 transmission in our '66 Vette. According to my 1966 NCRS Technical Information Manual and Judging Guide, "fifteen M22 transmissions were installed in Corvettes during the 1966 build". ... In 1966, the M-22 Rock Crusher transmission was available ONLY with the L-72 427-450-425 horsepower ...