Muncie 4 Speed Transmissions. The most popular question has to be that everyone thinks they have the famous "rockcrusher" M22 4 speed. This had the same gear ratios …
DetailsThe 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.
Details1968 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. 1968 Muncie coded P8S28 for November 28, 1967. 1968 Muncie coded P8S15 for November 15, 1967. Same transmission above with partial VIN stamping.
DetailsThis 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.
DetailsLast 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 ...
DetailsEach 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 …
DetailsBy 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 specific Muncie transmissions available: the M20 wide-ratio (2.56:1 first gear) and the M21 close-ratio (2.20:1 first gear).
Details1972 M22 P2T03C 3925661 Rock Crusher Muncie 4 Speed Transmission Case Dec 3rd. Opens in a new window or tab. Pre-Owned. $549.99. or Best Offer. Free local pickup. 14 watchers. derosnopS. brmay-8191 (8) . Muncie M22 4 Speed Rock Crusher Gear Kit - Input Cluster 1st 2nd 3rd Idler Gear. Opens in a new window or tab. Brand New. $599.00.
DetailsThe 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, …
DetailsThe Muncie four-speed transmission was used with many different models and engine combinations from 1963 through 1974. ... There also was a second, heavy-duty close-ratio version: the "Rock ...
DetailsMUNCIE 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 …
DetailsGM Muncie transmission rebuilt and guaranteed for 1 year. Correct fit for all 1967 - 1968 model Chevelles and Novas. 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. Designed for the highest performance models.
DetailsThe 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 …
DetailsSTRONGEST 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 …
DetailsM-22 "Rock Crusher" Identification. The M-22 close-ratio transmission is easily identified internally from the M-20 and M-21 versions by the angle of the gear teeth. The M-22 was only produced in a close-ratio version, so it will not appear on models with high rear-axle ratios (3.55 or lower numerically) unless someone has changed it.
DetailsIt is a common misconception that all Muncie transmissions are "Rock Crushers", but it is only the M22 that deserves that name. The M20 and M21 were both release in 1963, …
DetailsAn 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 …
DetailsTransmission, Manual, 1971-74 GM, Muncie M22, 2.20 1st. Remanufactured 4-speed manual transmissions are now available from OPGI. Each transmission is disassembled, cleaned and inspected to ensure an outstanding final product. Each transmission features top-quality components throughout, as well as premium seals and gaskets for a leak …
DetailsHome of the world's best 4 speed muncie transmissions and parts. We also offer muncie rebuild kits, racing parts and m22 rock crusher transmissions.
Details1967 - 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.
DetailsHow to Identify Muncie 4 Speed Transmissions. Identifying Muncie 4 Speeds III by Paul Cangialosi : 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. ... It was primarily designed as a road race transmission. The ...
DetailsI guess I am looking for a Muncie transmission guide for dummies. ... (M20) and the close-ratio (M21). There also was a second, heavy-duty close-ratio version: the "Rock Crusher" (M22) that was ...
DetailsAccording 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 …
DetailsAmerican Chevy Muncie Transmission Parts – M20, M21, & M22. ... The M22 "Rock Crusher" followed four years later. It uses stronger components to handle big-block power. The original M20 was only offered for one year. It has the GM casting number "3831704" on the case. In 1964, the aluminum front bearing retainer was replaced with a ...
DetailsThomas 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 …
DetailsThe 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."
DetailsThe 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. ... Transmission Yokes: M5R1 / M5R2: Clutch Packs: GEARBOX TEE SHIRT: Miscellaneous: Discontinued, Used, Sale. 1st gear: Shipping: Contacts: Instructional Videos: MT82: Muncie Parts > …
DetailsSTRONGEST 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 …
DetailsJust 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 …
DetailsA Muncie differs from a Saginaw transmission in that its reverse lever is in the tail housing, not the side cover. The difference between a Muncie and a Borg-Warner is the Muncie's 7-bolt side cover (two less than Borg-Warner units). ... The M22 is called the Rock Crusher. "Dump the Rock Crusher," hot rodders say. People think all Muncie ...
DetailsNEW 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 …
Details: How would you describe GM's original Muncie-built four-speed manual transmission? GS: ... We duplicate the M20 and M21 gearset, and the M22 "Rock Crusher" in three ratios (2.20:1, 2.56:1 and ...
DetailsThat's where the 'whine' come's from with those transmission's.. Also, there's companies out there that are making new gear set's for Muncie's as well..not just stock replacement stuff either. You can outfit an M20 or M21 with Rock Crusher type gears, OR actually make a 3 speed O/D out of a 4 speed case. Forth being the overdrive …
DetailsMichael 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 Rock Crusher 4-speed. Perfect Performance with 2.73 to 3.42 Rear End Gears. ... If a transmission builder is that busy, there's a …
DetailsNEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00. No Price Muncie Overhaul Kit. Complete overhaul kit for Muncie 4 speed transmissions. Must specify if your transmission has a 1" or 7/8" cluster shaft (pin) 7/8" kit comes with NON stepped synchronizer rings. Please scroll down to order extras (cluster pin, wrench,sliders etc) …
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