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rock crusher transmission identification

An M-22 "Rock Crusher" is a Muncie four-speedtransmissionfor cars made by General Motors in the 1960s.Identifyatransmissiontype correctly before fitting it into your car. If you have the incorrecttransmission, your car may not function properly. You canidentifyseveral unique signs thatidentifyan ...

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Guide to Muncie M20, M21, and M22 Four-Speed Transmissions
Guide to Muncie M20, M21, and M22 Four-Speed Transmissions

Aug 03, 2018· The M22Rock Crusherwould come later to accommodate the heavy twist of Chevrolet’s big-blocks in the mid-1960s. The M20 and M21transmissionsproduced from 1963-’74 are easy toidentify…

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Muncie four-speeds | Hemmings
Muncie four-speeds | Hemmings

The 2.56:1 ratio is commonly referred to as the M20. Muncie also had a secondclose-ratio transmissiondesignated 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 performancetransmission.

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Identify General Motors' Four-Speed Transmissions
Identify General Motors' Four-Speed Transmissions

Jun 13, 2017· The M20 and M21 used a gearset with a more angled tooth design on each gear (left). The M22Rock Crusherused a gearset that features less of an angled-tooth gearing (right). Images courtesy chevelles.com. The ratio of thefour-speed transmissionplaced in any car was usually determined by the engine size and rearend axle ratio.

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what is a rock crusher transmission? | Yahoo Answers
what is a rock crusher transmission? | Yahoo Answers

Apr 30, 2009· M-22 “Rock Crusher” Identification. The M-22close-ratio transmissionis easily identified internally from the M-20 and M-21 versions by the angle of the gear teeth. The M …

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The 1965 Chevrolet M22 Rockcrusher Transmission: The
The 1965 Chevrolet M22 Rockcrusher Transmission: The

Sep 15, 2010· The 1965 Chevrolet M22Rockcrusher Transmission: The MysticalTransmissionby Alan Colvin on September 15, 2010 Although all previously published data has denied or excluded the existence of the 1965 M22transmission, this author has uncovered the trail behind this mysticaltransmission.

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Muncie 4 Speed Transmissions
Muncie 4 Speed Transmissions

It was primarily designed as aroad race transmission. The straighter angle of the gearset produced less heat and less end loading of the gear train. Combined with high impact alloy gears this 4 speed really pushed the limits of it's aluminum case in drag race applications.

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How to Identify a Muncie Four Speed: Build Date Codes
How to Identify a Muncie Four Speed: Build Date Codes

Jul 29, 2016· Another way to confirm that thetransmissionis original to your car is most Munciefour-speed transmissionswill have aVehicle IdentificationNumber (VIN) number stamped on the main case.

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How to Identify a Muncie Four Speed - Hot Rod
How to Identify a Muncie Four Speed - Hot Rod

Jul 05, 2016· How to Identify a Muncie Four Speed. ... 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 ...

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Muncie 4-Speed Identification Guide - Chevy DIY
Muncie 4-Speed Identification Guide - Chevy DIY

A CT3 is areplacement transmission. Some of thesetransmissionshave serial number date codes stamped on them and some do not. Extension Housings and Sidecovers . Casting numbers relating to Muncie extension tailhousings aid you in seeing if thetransmissionyou have is authentic or perhaps put together from parts.

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GM Muncie 4-Speed Decoding: Drivin' It Home
GM Muncie 4-Speed Decoding: Drivin' It Home

M-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.

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MuncieIdentification| The H.A.M.B
MuncieIdentification| The H.A.M.B

Feb 21, 2010· M22 transmissions can only be identified removing the selector cover(side cover) and visually identifying the straight cut gears-all other muncie transmissions had conical cut(angle) gears. The most well known Muncie transmissions are the M20(wide ratio), …

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Chevy Transmissions: Muncie 4Speed M22 Rockcrusher
Chevy Transmissions: Muncie 4Speed M22 Rockcrusher

Chevy Transmissions: MuncieM22 “Rock Crusher4 Speeds were made From 1965 TO 1974: The most populartransmissionof it’s time for high performance cars built for Chevrolet and all performance oriented G.M cars. They have the same gear ratios as the legendary M21 but with a heavy duty gearset.

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Rock Crusher Transmission Identification- Union Design
Rock Crusher Transmission Identification- Union Design

Rock crusher transmissioncodes. Muncierock crusher identificationmuncierock crusher identification-crusherusa how to identify a m22rock crusherehow an m-22rock crusheris a muncie four-speedtransmissionfor cars made by general motors in the 1960s identify atransmission…

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Muncie M22 Rock Crusher Identification
Muncie M22 Rock Crusher Identification

MuncieIdentificationThe H.A.M.B. Feb 21, 2010路 Although some claim that the M23 is arock crusher, it is indicated that this box was assembled in both wide and close ratio components and also with straight cut gears common to therock crusher(M22)transmission.

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Howto Identify a Muncie Four Speed-Hot Rod
Howto Identify a Muncie Four Speed-Hot Rod

Jul 05, 2016· 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.

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Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher Style
Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher Style

This a BRAND NEW SUPERCASE M22Muncie Rockcrusher Style Transmission. This is a BEEFY version of the originalRock 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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GM Muncie 4-Speed Decoding: Drivin' It Home
GM Muncie 4-Speed Decoding: Drivin' It Home

M-22 “Rock Crusher”IdentificationThe M-22 close-ratiotransmissionis 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.

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Chevy Transmissions: Muncie 4Speed M22 Rockcrusher
Chevy Transmissions: Muncie 4Speed M22 Rockcrusher

Chevy Transmissions: MuncieM22 “Rock Crusher4 Speeds were made From 1965 TO 1974: The most populartransmissionof it’s time for high performance cars built for Chevrolet and all performance oriented G.M cars. They have the same gear ratios as the legendary M21 but with a heavy duty gearset.

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MuncieIdentification| The H.A.M.B
MuncieIdentification| The H.A.M.B

Feb 21, 2010· The most well known Muncietransmissionsare the M20(wide ratio), M21(close ratio), and the M22(rock crusher). Although not mentioned much, there was also an M23transmissionthat was used, beginning in 1970. The M23 is recognized by a 26-spline(fine) input shaft and a large output shaft that requires a T-400 driveshaft yoke.

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Muncie 4-Speed Identification Guide- Chevy DIY
Muncie 4-Speed Identification Guide- Chevy DIY

Muncie 4-Speed Identification Guide. ... Mosttransmissionsare missing these tags, but if you want to do a complete restoration they are generally necessary. Even if your Muncie is assembled from a mix of parts, you should be able to determine the ratio. Remember, if thetransmissionis still in the car only the 1969 to 1974 cases had ratio ...

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So you've decided to slam four witha GM MuncieTransmission
So you've decided to slam four witha GM MuncieTransmission

Among “old-timers”, the Muncietransmissioncommands a certain degree of respect. Sure, you could get a manual in tons of cars from GM during the 60's and 70's, but the Muncie was the one to have. Saginawtransmissionswere cheaper, and worked admirably, but scattering gear oil on the pavement was a scary reality if you pushed them too hard. So for many years “4 speed Muncie ...

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Muncie4-Speed: The Complete History- Chevy DIY
Muncie4-Speed: The Complete History- Chevy DIY

Muncie4-Speed: The Complete HistoryTo 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 thistransmission. The Muncie design has roots going back to 1935.

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Muncie4-speed - CHEVELLESTUFF
Muncie4-speed - CHEVELLESTUFF

The M22transmissionhas 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 gear train and less heat but created more noise, thus the nickname "Rock Crusher" was born.

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Muncie 4SpeedTransmissions
Muncie 4SpeedTransmissions

Serial numbers forMuncie 4speeds always begin with the letter "P". P stands for Muncie Plant. Not for passenger car as some self proclaimed specialists may think. The letter M was used toIDthe Muncie plant for the Muncie 3 speed, so P was the next logical letter. The …

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ChevroletChevy Manual Transmission Identificationand
ChevroletChevy Manual Transmission Identificationand

Further Muncieidentification3 Muncie 4 speeds were offered. The M-20 wide ratio, the M-21 close ratio, and the "Extra heavy duty close ratio" M-22, also known as the "Rock Crusher". The M-22 was generally installed behind severely powerful (high torque) big-block engines. The M-22 is distinguished from an M-21 by the angle of the gear teeth.

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Ford C4 Identification| It Still Runs
Ford C4 Identification| It Still Runs

All C4s came with anidentificationtag, attached to thetransmissionon the passenger side. This tag contains all the necessaryidentificationinformation and if not present, use the following visual techniques: the C4 measures between 17 and 18 inches long and has an almost-square pan with 11 bolts. The pan measures 10-by-9 inches.

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