If you have a Muncie with a similar character after the date, can get a photograph of it and KNOW whether it's an M20, M21, or M22, please pass it along. 1968. 1968 Muncie transmission tag #3924706. Date stamped P8P27 for Muncie, September 27, 1967 and partial VIN of 18K116891. Reported to be M21 but cannot find tag number to verify.
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.
Get the best deals for Muncie M22 Rock Crusher 4 Speed Transmission at eBay.com. We have a great online selection at the lowest prices with Fast & Free shipping on many items!
Muncie 4 Speed Transmission M20, M21 & M22 with 1" counter shaft bore. High Performance Forged Synchronizer Rings made by Synchroking! 1-BK116WS - Master Rebuild Kit - Bearing, Seals, Gaskets with Synchronizer Rings ... The M22 "Rock Crusher" followed four years later. It uses stronger components to handle big-block power. The …
AG Roller Side Cover. A great Super Heavy Duty Rock Crusher M22 for your Camaro, Nova, Chevelle, Corvette or other GM car. Close Ratio = 2.20-1st, 1.64-2nd, 1.28-3rd, …
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 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.
Muncie M22 Rock Crusher Is The Rarest 1960s Muscle Car Transmission In the 1960s, the rarest muscle car transmission was the M22 'Rock Crusher' 4-speed manual gearbox. While it is not well documented, it is estimated that between 1966 and 1974, only 500 to 1200 cars were equipped with the M22 Rock Crusher transmission, …
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 this transmission.
Thomas N. on Muncie Super Duty M23 Upgraded Ultra Case 4-speed Road or Drag Racing Rock-Crusher. SALE EXTENDED!!! Michael Coons on NEW Auto Gear Upgraded Ultra Case Muncie HD M22 4-Speed Rock-Crusher Street/Strip. Camaro, Corvette, Chevelle, Nova. SALE EXTENDED!!! Brett Henson on Auto Gear Upgraded Ultra Case M22Z …
Muncie M22 Rock Crusher Is The Rarest 1960s Muscle Car Transmission. In the 1960s, the rarest muscle car transmission was the M22 'Rock Crusher' 4-speed …
The Gear Box is the source for Muncie Parts like the new assembled M22 SUPER ROCK CRUSHER 4 speed kit with micro super finish or downshift case support.
Get the best deals for muncie m22 rock crusher at eBay.com. We have a great online selection at the lowest prices with Fast & Free shipping on many items!
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.
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 trickle out the door in 1965-67 and was buried in the option lists.
Each new SuperCase transmission is built from the highest quality available. Includes all the goodies: SuperCase, gear ratio choice, heavy-duty set with a oilite bushed side …
STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR ULTRA CASE With The Strongest M22z ULTRAWIDE RATIO 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 plugs. C355 …
He mentioned he had a M22 rock crusher in his car, and how rare it was because only a few of the M22's were "Rock Crushers". ... as if you could actually put rocks in the transmission and crush them into gravel . ... rock crusher muncie and a 12 bolt posi that they would shift from first to second around 60 mph. jim . Jim 70 chevelle, SS …
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.
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).
There also was a second, heavy-duty close-ratio version: the "Rock Crusher" (M22) that was offered on some of the high-performance big-block models, starting with the 1965 Corvette.
MUNCIE 4-SPEED MANUAL TRANSMISSION ASSEMBLIES, GEARS & PARTS APPLICATIONS: GENERAL MOTORS 1963-1974 GENERAL MOTORS (HIGH PERFORMANCE) AUTO GEAR EQUIPMENT ... L36-s36T: M22 'Rock Crusher' (1964-74) 3924796 WT297-12B NOTE: these TWO (2) gears w/o snapring counterbore on cone …
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 the original Rock Crusher transmission.
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 …
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 M22 Rock Crusher used a gearset that features less of an angled-tooth gearing (right). Images courtesy chevelles.com The gear ratio of the Chevy four-speed transmission placed in any car was usually determined by …
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 …
For example P7C05 will read: Muncie four speed aluminum for passenger car 1976, March, 5th. 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.
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. ... Rebuilt Transmission M22 …
According to Paul Cangialosi, Muncie transmission historian, ... 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 …