IMHO save the close ratio gearsets of the M22 for use ahead of 3.73:1 and larger ratio rear ends, and FWIW I wouldn't go smaller than a 3.36:1 rear gear even with a wide ratio …
WhatsApp: +86 18221755073Muncie also had a second close-ratio transmission called an M22, which enthusiasts christened Rockcrusher; this was used in performance big-block engines and Corvettes and is a highly sought-after performance …
WhatsApp: +86 18221755073If you've ever driven a classic muscle car equipped with a four-speed manual transmission, you probably experienced the joys of commanding a Muncie Rock Crusher. Some classic 1960s General Motors ...
WhatsApp: +86 18221755073This 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 …
WhatsApp: +86 18221755073Below we provide a M21 & M22 parts illustration to assist you with the correct identification of the parts you need. Select the parts you require from the following list and give us a call. ... Rebuilt Transmission M22 1966-1974 …
WhatsApp: +86 18221755073Muncie M22 Rock Crusher Input 26 Spline $ 182.00 – $ 185.00 Select options This product has multiple variants. The options may be chosen on the product page Muncie 4 Speed Nylon Driven Gear $ 13.00 – $ 15.00 Select options This …
WhatsApp: +86 18221755073The 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 …
WhatsApp: +86 182217550731969-1974 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 ( …
WhatsApp: +86 182217550734-SPEED MANUAL TRANSMISSION ASSEMBLIES, GEARS & PARTS APPLICATIONS: GENERAL MOTORS 1963-1974 GENERAL MOTORS (HIGH PERFORMANCE) AUTO GEAR …
WhatsApp: +86 18221755073M22 transmissions can only be identified removing the selector cover(side cover) and visually identifying the straight cut gears-all other muncie transmissions had conical …
WhatsApp: +86 18221755073C-M22 MODEL IDENTIFICATION(1969-1972) A-M20 B-M21 C-M22 Note: not always stamped ... that this box was assembled in both wide and close ratio components and …
WhatsApp: +86 18221755073The M22 Rock Crusher was no longer available as an option. ... These tags are another interesting part of the Muncie identification process. ... Other than the model of the transmission (M20, M21 ...
WhatsApp: +86 18221755073This is the current Muncie M22. Your can see that the layout of the geartrain is identical to the ST10's. All gears and synchronizers are in the same position. Notice how the angle of the M22 gears is much straighter than on the ST10. …
WhatsApp: +86 18221755073Transmission Yokes: M5R1 / M5R2: Clutch Packs: GEARBOX TEE SHIRT: Miscellaneous: Discontinued, Used, Sale. 1st gear: Shipping: Contacts: Instructional Videos: MT82: Muncie …
WhatsApp: +86 18221755073NEW 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 …
WhatsApp: +86 18221755073This bumbed me out since I had previously read that this was an indication that it was a Saginaw not a Muncie. It does have a 7 bolt side cover. Doe this mean it's still an M22 …
WhatsApp: +86 18221755073Look in the post at the top on the trans fourm. It tells how to pick out what is what but the main thing to look for in a M-22 is the gear angle. Take off the side cover and look at the angle of the gears. M-20, m-21 will have 45 …
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WhatsApp: +86 18221755073New Super Heavy Duty Direct Replacement Heavy Duty M20 or M21 With Muncie Auto Gear Upgraded Ultra Case. Close Ratio or Wide Ratio Gears. 10 OR 26 spline input and large 27 …
WhatsApp: +86 18221755073However, the Rock Crusher was only equipped in cars that had high-performance big blocks, including the Corvette, Camaro, Firebird and Chevelle. Thanks to the similarities between the …
WhatsApp: +86 18221755073I 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. ... Go to it and click on "identification" and that page will tell you …
WhatsApp: +86 18221755073Although some claim that the M23 is a 'rock crusher', it is indicated that this box was assembled in both wide and close ratio components and also with straight cut gears common to the rock crusher (M22) transmission. Looks …
WhatsApp: +86 182217550731969 - 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 …
WhatsApp: +86 18221755073Ratios of the M20, M21, M22. Muncie 4-speeds were produced in two different ratios wide-ratio (M-20) and close-ratio (M-21). An extra heavy duty close-ratio version (M-22) was also offered …
WhatsApp: +86 18221755073The 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 …
WhatsApp: +86 18221755073The 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 …
WhatsApp: +86 18221755073Muncie 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 …
WhatsApp: +86 18221755073NEW 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 …
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