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 M-22 "Rock Crusher," even if it does not have a …
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 ...
Garry Brown on Super Pro Road/Race Muncie Upgraded Ultra Case M22 Rock-Crusher. SALE EXTENDED!!! Michael wilhelm on Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4-speed. Perfect Performance with 2.73 to 3.42 Rear End Gears. SALE EXTENDED!!! Ricky Fitts on Muncie Super Duty M23 Upgraded Ultra Case 4-speed …
I was planning on getting a muncie rock crusher for my 68 cause ive heard theyre awesome trannies. ... 79 Camaro Z-28 68 Camaro Z-28 68 Camaro Parts car 68 Camaro Parts car ... do you have. That's a pretty steep rpm. I have 4.10's with short tires and tach around 4000. I just had an Autogear M22 built and like it. However, that …
Times and requirements have changed making both the M21 and M22 the closest ratio production 4 speeds ever produced but also not practical for today's driving habits unless road racing is your thing. The new Muncies being built today have some better ratios.Today's examples of the new car gear set ups are Mustang GT's with a 3.35 1st …
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.
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.
John DiLauro on Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4-speed. Perfect Performance with 2.73 to 3.42 Rear End Gears. SALE EXTENDED!!! Garry Brown on Super Pro Road/Race Muncie Upgraded Ultra Case M22 Rock-Crusher. SALE EXTENDED!!! Michael wilhelm on Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4-speed. …
zero rock slider/hubs (use torque lock slider only with gearsets with torque lock synchros like korean gearsets) gear drive made from steel; muncie super case OR N24 Ultracase with ribs (even better) …
I explain this in detail, because like so many BS stories that have occurred over the years, the M22//Rock Crusher is one of them that continues to be perpetuated by "armchair" experts. Originally, the M22 was ONLY a close ratio. But now, there are several aftermarket ratios available for converting an M20 or M21 into a wide ratio M22 for ...
1963-1966 production codes will start with the letter P and have four numbers, for example: P0421. 1. P represents the manufacturing plant, Muncie.
In 1971, the only transmission you wanted in your Z28 was GM's tough Muncie Rock Crusher, and that's exactly what lives behind this car's mean small block. Naturally, that original M22 centers a correct 3925661 casting number in front of a Muncie (P) M22 (C) assembled on December (T) 11th (11), 1970 (0) build stamp and matching partial VIN.
M22 Rock Crusher Noise. Jump to Latest 9K views 5 replies 4 participants last post by k-star May 12, 2005. 6. 68Camaro396/375 Discussion starter 37 posts · Joined 2005 Add to quote; Only show this user #1 · May 9, 2005. I know that a M22 makes a whining sound in 1st, 2nd & 3rd gears but how loud? ...
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 …
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 …
John DiLauro on Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4-speed. Perfect Performance with 2.73 to 3.42 Rear End Gears. SALE EXTENDED!!! Garry Brown on Super Pro Road/Race Muncie Upgraded Ultra Case M22 Rock-Crusher. SALE EXTENDED!!! Michael wilhelm on Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4-speed. …
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 identify in both wide- and close-ratio units. The M22 to come later in 1967-'74 is also a close-ratio unit, but much stronger than the M21, with a higher torque ...
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. I also have what I believe is an M21, but I'm not certain. The M22's are both close ratio and the M21 is a wide ratio...again from what I was told years ago.
The Muncie M22 is known as the Rock Crusher. See how we improve its strength and versatility by adding a Gear Vendors Overdrive. Cam Benty Writer John McGann Photographer Nov 04, 2022.
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 identify in both ...
This a BRAND NEW SUPERCASE M22 4-Speed Rockcrusher Style Transmission. Each new Auto Gear transmission is built from genuine Auto Gear parts, the highest quality …
Hi, January 2019 I bought a 69 Z28 with a Rock Crusher tranny, Headers & a 4.56 Gear. I never really thought I would own a first gen, I was just too picky, but this was what I would have wanted. ... M22 and TKO third gear is 1.28 (about 37mph at 3k) M22 and TKO fourth gear is 1.0 (about 48mph at 3k) M22/gv fifth is 0.78 (about 61mph at 3k) TKO ...
I have a 1970 m22 close ratio 4 speed from a 1970 ls6 I owned back I the 80s. Here is the info. ... Spending" 3000$ on a bolt on, period correct, grin inducing almighty and mythical transmission that is the great Muncie M22 Rock Crusher makes more sense for many compared to buying a retrofit kitted TKX for 5 000$.
it also retains its numbers matching muncie m22 rock crusher 4-speed transmission and its original 12 bolt posi rear-end with factory 4.10 gears. car is finished in its code correct 52 garnet red paint with white rally stripes. also has its correct code 718 red interior - very rare color combo on this z28. has front power disc brakes, factory ...
What you will get in our 'Syracuse' M22 is a gearset that is stronger, more durable and cooler running. The gearsets are available in three ratios: The classic Rock Crusher M22 (2.20/1.64/1.27/1.00) for your 3.73:1+ rear axle gear. The AutoGear wide M22W (2.56/1.75/1.36/1.00) for your 3.42:1 – 4.11:1 rear axle gear.
M22 4-speed M22 Rock Crusher Trim tag information: build date 04C, 3rd week of April, 1971 in Los Angeles, California, paint code 1313 Nevada Silver, trim code 785 Black custom cloth Items included with car: 3 build sheets, owner's manual, original California license plate and scrapbook showing pre-restoration condition
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 !
Correct fit for all 1967 - 1968 model Camaros. This one will have the studs coming out from the side where your shifter linkage mounts, like pictured. This is the Muncie M-22 …
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 ...
First Generation Camaro Info and Tech - 1967-1969. Transmission & Driveline
