Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher Style Transmission
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.
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The Story of the Mighty & Majestic Muncie 4 Speed …
The M22 was eventually dubbed the "Rock Crusher". It 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 …
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Muncie M-22 Rock Crusher
Muncie M-22 Rock Crusher. Jump to Latest ... People think the "Rock Crusher" is special or stronger than a standard wide box Muncie. It is special in terms of price but it isn't any stronger. The "Rock Crusher" was built for road racing, with the angle of the gears straightened out to prevent excessive wear in the front bearings due to the ...
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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 specific Muncie …
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Muncie Calendar Date Codes — D.M.E. Transmissions
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 …
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Muncie 4 Speed Transmissions
How 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. The reason you may ask?
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How to Identify a Muncie Four Speed: Build Date Codes
Last 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 ...
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M-22 Rock Crusher 4-Speed Transmissions by JetBoatBill
NEW 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 than the original …
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NEW Auto Gear Upgraded Ultra Case Muncie Heavy …
Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4-speed. Perfect Performance with 2.73 to 3.42 Rear End Gears. 2025 Spring SALE!!!
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M-22 "rock crusher"
come guys, every gearhead knows every muncie is a rock crusher, every 327 came out of a corvette and all 12 bolts are posi's!
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Muncie 4-speed Transmissions | The Online Automotive
The 2.20:1 ratio first gear is usually referred to as the Muncie M21 transmission; based on GM's production codes. The 2.56:1 ratio is referred to as the M20. Muncie also had a second close-ratio transmission coded M22 and known as the "rock crusher," which was used behind performance big-block engines and in some Corvettes. These M22 ...
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M22-Wide vs M22 "Rock Crusher"
The primary difference between the regular close ratio Muncie (M-21) and the HD Muncie was the angle at which the gear teeth were cut. The M-22 gear teeth are cut at a …
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1969 CAMARO Z28, MATCHING #'S DZ-CODE 302 & M22 ROCK CRUSHER …
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 ...
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The 1965 Chevrolet M22 Rockcrusher Transmission: …
Across the top of the page are the words "First Build 4/15/65 – 1st Shipment 4/19/65, recap of M22 (Rock Crusher) Trans." By comparing these M22 transmission assemblies to Chevrolet's 1965 transmission identification codes, …
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Muncie M22 Rock Crusher
1965 Corvette VIN S116716 M22 Rock Crusher Muncie 1 of 57 1965 M-22's **REAL** Opens in a new window or tab. Pre-Owned. $19,999.00. or Best Offer +$286.00 delivery. 56 watchers. Sponsored. vettepartsman (20,212) 98.4%. New Listing Mercedes 1998-2002 Heater Control Valve Solenoid CLK320 W208 OEM. Opens in a new window or tab.
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Muncie Identification | The H.A.M.B.
I'm hoping there's some old timers or Muncie experts out there who can help me identify whether this is an M-20 or an M-21. Thanks for any help you can provide! ... (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 ...
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M-22 Rock Crusher 4-Speed Transmissions by …
NEW 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 …
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M-22 vs. BW ST-10
How does the Muncie M-22 rock-crusher trans compare to the Borg Warner Super T-10 Power Brute transmission (the ones with a nodular iron case and high nickel gears that …
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Muncie 4-speed transmission information
The Muncie 4-speed transmission was used with many different GM models and engine combinations from 1963 through 1974. ... In addition, many GM high-performance engines came with M-22 "Rock-Crusher" in the 1970-73 years, however an early version of the M-22 was available as early as 1965 in Corvettes. Proper identification of the transmission ...
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American Chevy Muncie – M20, M21, M22 | Allstate Gear
Shop the American Chevy Muncie 4-speed transmission parts at low, affordable prices here at Allstate Gear. View more. ... 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.
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Muncie M22 Rock Crusher Input 10 Spline
Muncie M22 Rock Crusher Cluster Gear 1″ $ 210.00 – $ 242.00 Select options This product has multiple variants. The options may be chosen on the product page Muncie M22 Rock Crusher Second Gear $ 115.00 Add to cart; Muncie M20 Wide Ratio First Gear $ 126.00 – $ 150.00 Select options This product has multiple variants. The options may be ...
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Muncie four-speeds | The Online Automotive Marketplace
The 2.56:1 ratio is commonly referred to as the M20. Muncie also had a second close-ratio transmission designated M22 and often referred to as the "rock-crusher," which was used behind the highest-performance engines and in Corvettes, the M22 is a highly sought-after performance transmission. It is the heavy-duty version of the 2.20:1 ratio ...
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1967
GM 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.
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Muncie M22 4 Speed Transmission Rock Crusher Close Ratio …
Muncie M22 4 Speed Transmission, rock crusher heavy duty with all new gears, close ratio 2.20 1st gear, remanufactured with attention to detail and professional assembly, the case was cleaned and blueprinted to OEM specifications, 1" counter bore with proper leak free interference fit, new gears, synchronizers, bearing retainer, major overhaul kit, 10 spline input …
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Muncie M-22 or tremec 5 speed
Muncie M-22 or tremec 5 speed. Jump to Latest ... I was planning on getting a muncie rock crusher for my 68 cause ive heard theyre awesome trannies. But lately ive been reading that the tremecs are pretty good. The main thing i like is 5speed, cause i got a 12bolt 4:10.
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Muncie M22 Rock Crusher for sale
1972 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. 12 watchers. Sponsored. brmay-8191 (8) 0%. 1970 Camaro M22 close Ratio Muncie 4 Speed Transmission 2.21 1st Restored. Opens in a new window or tab. Remanufactured. $2,560.00.
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How to Identify a M22 Rock Crusher
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 …
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Muncie M22 4 Speed Transmission Rock Crusher Complete Package …
item 4 Muncie Close Ratio - M-22 Rock Crusher Four Speed Transmission - ALL NEW GEARS Muncie Close Ratio - M-22 Rock Crusher Four Speed Transmission - ALL NEW GEARS. $2,695.00. Last one +$110.00 shipping.
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Muncie M22 Rock Crusher First Gear
Muncie M22 Rock Crusher First Gear quantity. Add to cart. Category: Transmission Parts. Additional information Reviews (0) Additional information. Brand: Muncie. Tooth Count: 36T. Year: 66-74. Reviews There are no reviews …
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