Muncie 3 speed transmissions | Team Chevelle
This Heavy Duty 3-speed, depending on year, is called either a Dearborn (1965-1969) or a Muncie (1970-1973) M13 unit, and utilizes the code M13 on the sheets. Surprisingly, a 3-speed transmission was the standard transmission for all GTO's from 1964 through 1972, although in its initial year of 1964, the 3-speed was an M12 unit made …
M22 Rock Crusher
M22 Rock Crusher. Just bought a 1968 (originally was 427/435..currently has a CE replacement block from 69)) and I believe it has a M22 vice M21. Intent at some point in the near future is to crawl under and check numbers/code. I know it has the factory 411 rear end (Code FB) so that is the first reason I'm thinking it could be a M22- realize ...
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 Calendar Date Codes — D.M.E.
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 …
The Muncie 4 Speed Transmission Taught A …
Story By. Benjamin Hunting. The Muncie 4-speed transmission is a legend among fans of GM muscle cars. For a 10 year period starting in the golden age of 1960s performance, General Motors' …
Muncie Identification | The H.A.M.B.
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 Calendar Date Codes — D.M.E. Transmissions
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.
Muncie 4-Speed: The Complete History
Muncie 4-Speed: The Complete History. To understand the evolution of the Muncie 4-speed you have to look at a series of engineering platforms that led to the final design of …
M22 Identification | Team Chevelle
Look for the date code on the side on the mid plate area. I believe the pass side. Will start with a "P" For example P0C13C Starting in 69, the date code also has the ratio designator letter on the end. ... 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 ...
Mastering GTO Restorations: Transmission Guide
The new base transmission was a Muncie heavy-duty 3-speed manual transmission that was related to the Muncie 4speeds. The 1971 transmissions were the same as from previous year, except that the M-21 close-ratio 4-speed transmission was replaced with a stronger version of the Muncie close-ratio gearbox the famous M-22 …
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 …
Muncie 4-Speed Identification Guide
Serial numbers are stamped into the case. It is a date code for when the transmission was assembled based on the model year, not calendar year. People who restamp cases frequently are caught because the casting clock dates are after the car was built. Serial numbers for Muncie … See more
Midwest Muncie | Muncie 4 Speed Transmissions And …
We also offer muncie rebuild kits, 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 m22 rock crusher transmissions. ... GM 1963 to 1974 Automatic to Muncie 4-Speed Transmission Complete Conversion Swap Kit. SALE EXTENDED!!! …
Complete Guide to Muncie Transmissions
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 …
Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher Style Transmission
Camaro Model Years. 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 available. This is a BEEFY version of …
Camaro Transmission Information & Restoration
Example Transmission Code: P3E03B - (P = TYPE (Muncie), 3 = year (1973), E = Month, 03 = Day of Month, B = M21) ... 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" …
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.
NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00 …
Transmission Yokes: M5R1 / M5R2: Clutch Packs: GEARBOX TEE SHIRT ... Contacts: Instructional Videos: MT82: Muncie Parts > NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00. NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00. View Images. Price: No Price: Sale Price: No Price: Availability: in stock Prod. Code: AGM22: …
The Muncie 4 Speed Transmission Taught A …
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 …
Guide to Muncie M20, M21, and M22 Four-Speed …
The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet's big-blocks in the mid-1960s. ... Build facility (i.e., P = Muncie Transmission Plant) 2: Model year code (i.e., 8 = 1968) 3: Month code it was assembled (i.e., D = April) (Beginning in 1967, Muncie used letter codes for the month code: A=Jan, B=Feb, …
Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher Style Transmission
Product price is not filled in. This product cannot be purchased. This a BRAND NEW SUPERCASE M22 4-Speed Muncie Rockcrusher Style Transmission. Each new Auto Gear transmission is built from genuine Auto Gear parts, the highest quality available. This is a BEEFY version of the original Rock Crusher transmission.
M21 M22 4 Speed Muncie Manual Transmission
The M21 & M22 is a four speed, RWD or 4WD transmission. The M21 & 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 …
Muncie 4-Speed: The Complete History
The final main case casting of 3925661 was introduced, but there are huge overlaps in date codes. This means a transmission could be assembled in April with a 3925661 case and then in July with a 3925660 case. The introduction of the transmission controlled spark (TCS) switch on the Muncie sidecover seemed to appear in 1970.
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. This is the Muncie M-22 Rockcrusher four speed.
How to Identify a M22 Rock Crusher | It Still Runs
Step 1. Check the casting number, the production year and the gear ratios on the aluminum serial number plate attached to the transmission box. Every GM Rock Crusher has a …
muncie m22 rock crusher 4 speed transmission for sale | eBay
Muncie M-22 Rock Crusher Four Speed Transmission - RARE Drivers Side Speedo . Opens in a new window or tab. Remanufactured. 5.0 out of 5 stars. 6 product ratings - Muncie M-22 Rock Crusher Four Speed Transmission - RARE Drivers Side Speedo . $2,495.00. naz130 (5,117) 99.8%. Buy It Now
Magical Muncie Four-Speed | Hotrod Hotline
A serial number is stamped on all Muncie transmission cases. The code has nine symbols that will reveal the GM division, year, model, assembly plant and car the transmission was used in. ... The M22 is called the Rock Crusher. "Dump the Rock Crusher," hot rodders say. People think all Muncie four-speeds are Rock Crushers, but they're not. ...
M-22 ROCK CRUSHER Transmission
QR Code Link to This Post. M-22 ROCK CRUSHER Transmission. Early Muncie 4-speed transmission with ALL NEW GEARS! Noland/23rd area. Let's make a deal. ... M-22 ROCK CRUSHER Transmission. Early Muncie 4-speed transmission with ALL NEW GEARS! Noland/23rd area. Let's make a deal. Ask for Dick.
M22 4 speed rock crusher | Team Chevelle
M22 4 speed rock crusher. Jump to Latest Follow ... TX Chevelle so the P0C23C transmission assembly date and 3978766W0 tag fit. 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. ... P0C23C date code 3978766W0 tag on shift cover …
M-22 "rock crusher"
Jim Mac. 12578 posts · Joined 2004. #5 · Apr 24, 2022. hopefully he meant that a m22/rock crusher was rarer installed in a car. jim. Jim. 70 chevelle, SS clone 454 4 speed 3.31 12 bolt posi. 71 …