NEW Complete 67 68 Camaro Muncie 4 Speed Conversion Kit now available This kit will get you basically everything needed to convert a automatic 1967 1968 Camaro into a four speed machine You have a choice of a original completely rebuilt GM Muncie M20 M21 or M22 Rock Crusher transmission
A photo from when the last Muncie M22 Rock Crusher 4 speed came off the assembly line A legend for toughness during the muscle car era its 400 lb ft torque factory rating limits what it can handle with modern performance The whining of these transmissions was very distinctive This is the transmission I have in my…
I do not claim to be a transmission expert and could be wrong but the "real" rock crushers had straight cut helical cut gears I believe they were first released by GM in 1969 or 1970 I had one in my 1970 Chevelle SS 454 450HP LS6 car I bought it new The Rock Crusher was very noisy due to the straight cut gears
MIDWEST MUNCIE Specializes in ONLY MUNCIE 4 SPEEDS unlike any other transmission builder and has been specializing in restoration and building of Muncie 4 speeds since 1976 It is the Home of the Super Muncie We also offer muncie rebuild kits racing parts and m22 rock crusher transmissions × Home; About; FAQs; Contact; Recent Comments
Although 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 like you have a second design feb 28th 1968 M20 or M21 Definitely not a rock crusher no straight cut gears
The first time I heard the term "rock crusher" was in reference to the transmission in the 1967 L88 Corvette Due to the low gear angle there is a fair amount of gear noise really like a medium / heavy duty truck transmission True enough the M22 did trickle out the door in 1965 67 and was buried in the option lists
This is a Very Rare and Completely and Freshly Rebuilt M 22 Transmission with REAL GM Rock Crusher Gears for 1970 1971 and 1972 GM Vehicles including Chevy Corvette Camaro Chevelle and other GM vehicles of that vintage These first came out in the 1970 Chevelle with the fine spline input and they were then released in the 1971 and 1972 Corvettes and other GM
Put the transmission in 2nd gear and remove the side cover to view the helix angle of the gears and the condition of the synchro engagement teeth "Spending" 3000$ on a bolt on period correct grin inducing almighty and mythical transmission that is the great Muncie M22 Rock Crusher makes more sense for many compared to buying a retrofit
Where Our Customers Send Their Friends Chevy Transmissions Muncie M22 Rock Crusher 4 Speeds were made From 1965 TO 1974 The most popular transmission of it s time for high performance cars built for Chevrolet and all performance oriented have the same gear ratios as the legendary M21 but with a heavy duty gearset
Rock Crusher identity The famous "rockcrusher" M22 4 speed had the same gear ratios as the M21 but with a heavy duty gearset Although the gears are not spur gears completely straight they still produced a fair amount of gear noise thus the "Rockcrusher" name Depending on the year of the transmission there are some things to look
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
Transmission Manual 1971 74 GM Muncie M22 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 free experience
In 1965 GM introduced an even more robust version of the Muncie transmission known as the M22 or "Rock Crusher " This transmission with its distinctive whine became synonymous with high performance cars of the era The M22 featured straighter cut gears providing a more aggressive gear mesh for increased strength and durability
Muncie 4 Speed Transmission M20 M21 & M22 with 1" counter shaft bore High Performance Forged Synchronizer Rings made by Synchroking 1 BK116WS Master Rebuild Kit Bearing Seals Gaskets with Synchronizer Rings There are two ways you can tell the difference between the M21 and the Rock Crusher The M22 has 27 teeth on the countershaft
Thomas 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 Rock Crusher 4 speed
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
Michael Coons on NEW Auto Gear Upgraded Ultra Case Muncie HD M22 4 Speed Rock Crusher Street/Strip Camaro Corvette Chevelle Nova SALE EXTENDED GM 1963 to 1974 Automatic to Muncie 4 Speed Transmission Complete Conversion Swap Kit SALE EXTENDED Rated out of 5 $ 5 $ 5 Add to cart
We are restoring a 72 Chevelle SS and would like to use a Muncie "Rock Crusher" Is there anyone out there that and tell me the difference between a Muncie M22W and a M22 Rock Crusher I have tired to look online but not finding anything to help I have tested many customers and they swear their transmission was a close ratio gearset
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
New Muncie M22 close ratio or wide ratio Rockcrusher gear set is availabe with either a 10 or 26 spline input Close ratio 26 spline gear sets available in Italian or Korean made You must select whether you need a wide or close ratio & which input spline count 10 or 26 Fits all Muncie applications with 1" countershaft pin 1966 74
How to Rebuild Muncie 4 Speed Manual Transmission M20 M21 M22 Rock Crusher Opens in a new window or tab Brand New C $ Buy It Now C $ shipping from United States Free returns Muncie M22 4 Speed Rock Crusher Gear Kit Input Cluster 1st 2nd 3rd Idler Gear Opens in a new window or tab Brand New C $ Buy It Now
Although 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 This chart so far has been very accurate in identifying the muncie trans over the years so I wanted to share
Rock Crusher identity The famous "rockcrusher" M22 4 speed had the same gear ratios as the M21 but with a heavy duty gearset Although the gears are not spur gears completely straight they still produced a fair amount of gear noise thus the "Rockcrusher" name Depending on the year of the transmission there are some things to look
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