GENERAL MOTORS MUNCIE 4-SPEED MANUAL …
MUNCIE 4-SPEED MANUAL TRANSMISSION ASSEMBLIES, GEARS & PARTS APPLICATIONS: GENERAL MOTORS 1963-1974 GENERAL MOTORS (HIGH PERFORMANCE) ... L26-s36T: M22 'Rock Crusher' (1971-74) 3978761 WT297-16Z NOTE: these (3) gears used with 26 spline clutch. B2-2 Maindrive Oil Slinger all …
When was the M22 first called "rock crusher"?
The 454s used the M22 through 1972 because of the added torque. Part of what can kill a Muncie is the sudden or sustained high torque load that will thrust the …
Muncie 4 speed....M21, M22, Rock Crusher? | The H.A.M.B.
Muncie 4 speed....M21, M22, Rock Crusher? Discussion in 'The Hokey Ass Message Board' started by Buzznut, Jun 26, 2008. Page 1 of 2 1 2 Next > ... 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 …
Muncie Super Duty M23 Upgraded Ultra Case 4-speed Road …
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. ... have one in my 64 tempest 480 inch Pontiac shifts great great sound exel service. Rated 5 out of 5.
Muncie Noises | Team Chevelle
The whine of the Rock Crusher is about as much of a muscle car sound as high compression, headers, and tappet noise. I think this is a perfect time for one of those Tim Allen "Argh, argh, argh." Shoot, those 4.10's with a close ratio give an even better first gear than the 3.31's with the 2.64 ST-10.
How To Identify Chevy Four-Speed Transmissions
The Muncie four-speed was produced in two ratios: the wide ratio (M20) and the close-ratio (M21). That being said, there was a second, close-ratio version (M22) that was developed to survive duty behind engines with a higher torque output, and was known as the "Rock Crusher."
Guide to Muncie M20, M21, and M22 Four-Speed …
GM's goal with the Muncie four-speed was to produce a better shift employing larger synchro cones. He tells us both the M20 wide-ratio and M21 close-ratio transmissions were first offered in 1963. The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet's big-blocks in the mid-1960s.
Rock Crusher identity | Hot Rod Forum
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.
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.
Is this really a Muncie M22 or what? (Open cover with pics)
I bought a Muncie M22 to replace my M20. I am going with a big block and want the most sturdy one. And the rock crusher sound is neat too. Casting: 3925660 …
How to Identify a Muncie Four Speed: Build Date Codes
1963-1966 production codes will start with the letter P and have four numbers, for example: P0421. 1. P represents the manufacturing plant, Muncie.
Muncie 4-Speed Identification Guide
Feel free to upload pictures and ask questions. Some of the best Muncie builders participate on that page. Muncie RPO Codes . Just three types of Muncie 4-speeds are available based on the RPO (regular production option) code used when a car was ordered: the M20 (standard wide-ratio), M21 (close-ratio), and M22 (heavy-duty close-ratio).
American Chevy Muncie – M20, M21, M22 | Allstate Gear
American Chevy Muncie Transmission Parts – M20, M21, & M22. Muncie (General Motors) 4-speed longitudinal transmissions were developed in three distinct models – The Muncie M20 wide ratio manual transmission, the Muncie M21 close ratio manual transmission and the Muncie M22 heavy-duty close ratio manual transmission.
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. 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 ...
Rock Crusher identity | Hot Rod Forum
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 …
Muncie M22 Rock Crusher 4 speed | Hot Rod Forum
Muncie M22 Rock Crusher 4 speed. ... I had a 71 GTO with a M22 "rock crusher". This was an absolutely stout transmission. ... M22 had straight cut gears, all other Muncies had helical cut gears. The straight cut gears gave the M22 it's different sound. Other Muncies were quite compared to the M22. Vince . Here's to you DoC, you will …
Muncie M22Z on the way (UPDATE: switched to the M23Z)
Then a few trips later it started a ticking sound... very subtle but i could hear it on mellow acceleration. that was probably my clue to stop...but everything felt fine so...here we are. im looking forward to the classic m22 whine with the new Auto Gear Muncie (ultra wide ratio) M22Z. It has 2.98/2.04/1.46/1 ratios.
The Muncie 4 Speed Transmission Taught A …
By the time the Muncie was in its final phase of production (1971-1974) it also gained a 32 spline output shaft in place of the original 27 spline unit. Wide, Close, or Rock Crusher Initially there were two …
Complete Guide to Muncie Transmissions
Many people know about Muncie transmissions and the famous M22 "rock crusher" transmission that has straighter cut gears that allows you to bang the gears without pushing in the clutch. ... (see Muncie M20/M21/M22 Main Case Identification chart). The large-bore Muncie came into production in 1964-'65 and became the standard from …
Muncie M21/M22 average price? | Team Chevelle
The transmission would make the same rock crusher noise, but I would have a much tougher transmission. 1966 Charger (383, 727 Torqueflight) 1970 SS 454 Chevelle (LS5+2, M22, 3.31 12 bolt)
Muncie Close Ratio
See more 1968 Muncie M22 4 Speed Transmission Wide Rati... Share | Add to Watchlist. Check the item description to confirm this fits your vehicle. Picture 1 of 10. ... Muncie M-22 Rock Crusher Four Speed Transmission - RARE Drivers Side Speedo (#113821119555) See all feedback. Product ratings and reviews. Learn more. Write a …
Muncie M-22 or tremec 5 speed | Team Camaro Tech
lol-acutally ive heard that they make that "whining" sound, but everyone said it was kinda cool. Im not trying to get the best times, but if i was, it still wouldnt turn me off. My dads old 68 had an m22 and ran 10's with a built 427 and a narrowed dana 5:86(Around this ratio anyway)
Muncie M-22 rock crusher questions?
C3 Tech/Performance - Muncie M-22 rock crusher questions? - 1970 BB vette Muncie 4 speed M-22. I am having problems with my 4 speed falling out of 4th …
Muncie M22 Rock Crusher 4 speed | Hot Rod Forum
I had a 71 GTO with a M22 "rock crusher". This was an absolutely stout transmission. Had a distinctive "whine" due to the slanted gears. M22 had straight cut …
M22
There's a specific oil for the Muncie transmissions. Don't use any of the new stuff. The M22 whine is to be enjoyed and celebrated, don't try to dampen it. ... 2nd, and 3rd gear while driving and sound like an M22! Jody Haag 610-413-8015 Jody's Transmissions on Facebook. Reactions: ridesdirt. Save Share. Like.
Is this really a Muncie M22 or what? (Open cover with pics)
Hi, I bought a Muncie M22 to replace my M20. I am going with a big block and want the most sturdy one. And the rock crusher sound is neat too. Casting: 3925660 Years: 1968 - 1970
M22 4 speed rock crusher | Team Chevelle
Light travels faster than sound. That is why some people appear to be bright until you hear them speak. (unknown) Reactions: zookpr. ... "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 …
1967
1967 - 1968 Muncie 4 Speed Transmission, M-22 Rockcrusher Complete original GM Muncie transmission rebuilt and guaranteed for 1 year. 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 Rockcrusher four speed.
Muncie 4-Speed: The Complete History
This is how the Muncie countergear's design evolved. The center gear is from a BorgWarner T85 3-speed. The lower gear is the latest version of the early T10 and the upper is the Muncie M22. Note how the Muncie gear is physically longer than the T10. The reason for these design changes was simply to meet the demand for increased torque …
1969
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 the side where a bolt will secure your shifter linkage levers. This is the Muncie M-22 Rockcrusher four speed.