Muncie M-22 or tremec 5 speed

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. ... I just had an Autogear M22 built and like it. However, that overdirve would be nice for close to the same $. The other thing to consider is the first gear ratio coupled with your ...

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Auto Gear Upgraded Ultra Case M22 Rock Crusher 4-speed.

STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR ULTRA CASE With The Strongest M22z WIDE OR CLOSE RATIO 4 SPEED TRANSMISSION. A GREAT HEAVY DUTY ROCK-CRUSHER FOR YOUR CAMARO, NOVA, CHEVELLE, CORVETTE, GTO,442. THE MAIN CASE IS THE STRONGEST MADE with fill and drain plugs. C355 Forged Aluminum …

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M22 Rock Crusher

M22 Rock Crusher. Jump to Latest 2.6K views 6 replies 4 participants last post by DZAUTO Nov 11, 1999. C. catman Discussion starter. 5 posts · Joined 1999 Add to quote; Only show this user #1 · Nov 9, 1999. A friend of mine is restoring his 70 SS Camero and found a M22 rock crusher cheap,, it needs work but I have seen certain M22's going for ...

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Complete Guide to Muncie Transmissions

Many people know about Muncie transmissions and the famous M22 "rock crusher" transmission that has straighter cut gears that allows you to bang the gears without pushing in the clutch.

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How to Rebuild a Muncie Four-Speed Transmission

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. From the OEM factories to racetracks to ...

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The Muncie 4 Speed Transmission Taught A Generation Of

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 transmissions rattled their way down the road.

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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.

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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 Rock Crusher 4 Speed 2.20 Close Ratio …

For sale is a professionally built Muncie M22 4 speed with the driver side speedo tail found in GTOs, Chevelles, Impalas, earlier Corvettes, and other GM vehicles. 10 spline input, 27 spline output. Muncie M22 Rock Crusher 4 Speed 2.20 Close Ratio Transmission Driver Side Speedo | …

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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. The M20 and M21 transmissions produced from 1963-'74 are easy to identify in both wide- and …

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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 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, …

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Muncie 4 speed....M21, M22, Rock Crusher? | The H.A.M.B.

I 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. I also have what I believe is an M21, but I'm not certain. The M22's are both close ratio and the M21 is a wide ratio...again from what I was told years ago.

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M22 Rock Crusher

C3 General - 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...

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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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Rock Crusher identity

They used this to reduce friction and in turn gave it a nice greary noise thus the rock crusher. Chris . ... m22 The only way to be sure is to pull the side cover and check the gear angle like the others have stated. Depending on the year of the transmission there are some things to look for, but as vince stated if the parts were swapped ...

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How to Identify a Muncie Four Speed: Build Date Codes

2. 04 represents the month code when the unit was assembled, April. 3. 21 represents the day of the month the unit was assembled, the 21st day of April.

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M-22 Muncie Rockcrusher for sale

Muncie M22 Rock Crusher 4 Speed 2.20 Close Ratio Transmission Driver Speedo. Opens in a new window or tab. Remanufactured. $2,400.00. Buy It Now +$150.00 delivery. 43 watchers. Sponsored. apollo_performance (1,317) . 1968-70 Muncie M22 Rock Crusher 4 Speed,new main case. Professional Built. Opens in a new window or tab.

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Muncie M22 Rock Crusher

1972 Muncie M22 Rock Crusher 4 Speed Counter Transmission ORIGINAL C CODE NO VIN. Opens in a new window or tab. Remanufactured. $3,195.00. Buy It Now +$150.00 delivery. Sponsored. byorcell (3,296) . Muncie M22 4 Speed Transmission Close Ratio With New Rock Crusher Gears RESTORED. Opens in a new window or tab. Remanufactured.

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American Chevy Muncie – M20, M21, M22 | Allstate Gear

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 cast-iron one, and the input shaft bearing increased in size. This ...

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Muncie M22 Rock Crusher for sale

Muncie M22 Rock Crusher 4 Speed 2.20 Close Ratio Transmission Driver Speedo. Opens in a new window or tab. Remanufactured. $2,400.00. Buy It Now +$150.00 delivery. 40 watchers. Sponsored. apollo_performance (1,317) . 1968-70 Muncie M22 Rock Crusher 4 Speed,new main case. Professional Built. Opens in a new window or tab.

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Rock Crusher identity

The only way to tell an M22 is by looking at the gear set. You cannot go by the old method of "it has a drain plug so it's an M22". Also the input shaft cannot be used as a guide because there are various firms now …

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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 as the M21 but with a heavy duty gearset. The reason you may ask?

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The Rarest Muscle Car Transmission In The '60s

Muncie M22 Vs M22 Rock Crusher: Differences Explained . The M22 used the same close ratios as the M21 gearbox. However, compared to the M22, the M22 Rock Crusher from 1966 was a high-performance ...

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NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00

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.

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Muncie 4-Speed: The Complete History

This 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. …

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M-22 "rock crusher"

Thus, bottom line, ONLY the M22 is "properly" nicknamed as "Rock Crusher". And, some people, who just flat do not know what they are talking about (BS'ers), or they just want to brag, will say they have an M22 (or …

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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 as the M21 but with a heavy duty gearset. The reason you may ask? Well it wasn't designed so that you could go drag racing on Saturday night or impress in front of Burger King by doing massive hole shots.

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The 1965 Chevrolet M22 Rockcrusher Transmission: The …

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 …

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Muncie 4-Speed Identification Guide

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). (The M does not …

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