Sep 15 2010nbsp018332Across the top of the page are the words First Build 41565 1st Shipment 41965 recap of M22 Rock Crusher Trans By comparing these M22 transmission assemblies to Chevrolets 1965 transmission identification codes I found a perfect match.
Muncie M22 Rock Crusher Identification Aug 07 2018183 The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolets bigblocks in the mid1960s The M20 and M21 transmissions produced from 196374 are easy to identify in both M22 Rockcrusher YouTube.
Every GM Rock Crusher has a casting number with which you can easily identify a transmission box Count the input shaft teeth to find out the make of the transmission Input shafts differ in each GM transmission so you can easily identify an M22 quotRock Crusher by its input shaft count Each transmission has different numbers of teeth.
Sep 02 2020nbsp018332For sale is a Factory Replica of the Close Ratio Muncie Rock Crusher Four Speed Transmission typically used in High Performance 1965 to 1974 Corvette Camaro Chevelle Nova El Camino Impala Oldsmobile and Pontiac Vehicles Also included are Hand Fitted Synchronizer Sliders and Hubs The hand fitted slidershubs improves up and down shifting quality through all RPM ranges.
Related muncie m22 4 speed transmission other muncie m22 rock crusher muncie 4 speed transmission muncie 4 speed borg warner t10 m21 muncie transmission m21 muncie Include description Category Selected category All Automotive Number of bids and bid amounts may be slightly out of date See each listing for international shipping.
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 SuperCase design The Supercase has extra casting in all the known weak areas.
Oct 01 2008nbsp018332M22 had straighter cut gears Sounds kind of like a gear drive timing set Unmistakable sound I dont know how many people Ive had tell me quotOh ya this thing has a Rock Crusher colloquial term for M22 in it Ive only heard the sound of the real deal once.
M22 Rock Crusher Identification The M22 closeratio transmission is easily identified internally from the M20 and M21 versions by the angle of the gear teeth The M22 was only produced in a closeratio version so it will not appear on models with high rearaxle ratios 355 or lower numerically unless someone has changed it.
The term quotrock crusherquot refers to the noise made by the meshing of the stronger helical gears in the M22 Later model 197174 Muncies are also popular with racers because these transmissions used a 32spline output that is stronger than the early 27spline and the newer units seem to perform better in highrpm and highhorsepower applications.
An M22 retains less heat due to the straightcut gear design and the lack of thrust that helicalcut gears create An M22 holds up well The downside is that it tends to make noise It will rattle at low rpms and whine at higher rpms The M22 is called the Rock Crusher Dump the Rock Crusher hot rodders say.
How to Identify a M22 Rock Crusher How to Identify a M22 Rock Crusher An M22 quotRock Crusherquot is a Muncie fourspeed transmission for cars made by General Motors in the 1960s.
Oct 07 2014nbsp018332We had Super Chevys Mark Lundquist run the numbers and it appears our Rock Crusher was from April 1970 The rebuilt Muncie M22 was ready to be put through the paces once more this time with.
Related muncie m22 rock crusher muncie transmission muncie m22 gear set m22 muncie transmission muncie case muncie m20 muncie m21 muncie 4 speed muncie m22 parts Refine more Format Format All Listings Current page Auction Buy It Now Classified ads Number of bids and bid amounts may be slightly out of date See each listing for.
Dave on Muncie Super Duty M23 Super Case 4speed Road or Drag Racing RockCrusher 2 week sale ends Sept 7th 2020 Shawn Riley on Muncie Super Duty M23 Super Case 4speed Road or Drag Racing RockCrusher 2 week sale ends Sept 7th 2020 Michael OBrien on NEW Auto Gear Super Case Muncie M22 4Speed RockCrusher StreetStrip Camaro Corvette.
Jun 13 2017nbsp018332The M22 Rock Crusher used a gearset that features less of an angledtooth gearing right Images courtesy chevellescom The ratio of the fourspeed transmission placed in any car was usually determined by the engine size and rearend axle ratio If a car came with an axle ratio of 373 or numerically higher it usually came with a close.
Muncie Rock Crusher Identification Muncie Rock Crusher Identification Feb 21 2010160183 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 designfeb 28th 1968 m20 or m21 definitely not a rock crusherno.
M22 Rock Crusher zenith Find great deals on zenith for M22 Rock Crusher in ORIG MUNCIE 4SP M22 TRANS CASE Vintage 1960s 70s NOS Mr Gasket Crash Box Kit Muncie M20 M21 M22 Rock Crusher.
How to Identify a Muncie Four Speed Build Date Codes VINs and Jul 29 2016 Learn how to identify production code numbers VIN numbers and more on a and a second heavyduty closeratio M22 also known as the Rock Crusher.
NEW Auto Gear Super Case Muncie M22 4Speed RockCrusher StreetStrip Camaro Corvette Chevelle Nova 2 week sale ends Sept 7th 2020 279900 239900.
Identifying muncie rock crusher by serial number Identifying muncie rock crusher by serial number how to identify a m22 rock crusher an m22 rock crusher is a muncie fourspeed transmission for cars made by ratios on the aluminum serial number plate attached to the transmission box chat online chat View All M21 m22 4 speed muncie manual Get Price.
MUNCIE M22 ROCK CRUSHER 4 Speed Transmission Gear Set 220 Ratio 10 Spline GKM22 Brand New 35089 or Best Offer Free shipping 17 sold Watch Rock Crusher M22 Muncie 4 speed transmission Chevelle Camaro Nova Refurbished Number of bids and bid amounts may be slightly out of date See each listing for international shipping options.
Times and requirements have changed making both the M21 and M22 the closest ratio production 4 speeds ever produced but also not practical for todays driving habits unless road racing is your thing The new Muncies being built today have some better ratiosTodays examples of the new car gear set ups are Mustang GTs with a 335 1st gear and 3.
The serial number is a date code the transmission was built for a particular year Serial numbers from 1963 to 1966 included only the month and day P0101 would indicate January 1st From 1967 to 1968 the serial number got a year designator and a letter designator for the month such as P8A01 meaning January 1st 1968.
Nov 23 2014nbsp018332As stated the Camaro didnt use the M22 by 1973 but the Muncie was also used in the Corvette and likely still in the Chevelle Also Pontiac still used it I dont have production specs for Oldsmobile so I dont know if they used it by 1973 Check the numbers on a Muncie They will tell you if it is a M20 M21 or M22.
Home muncie m22 rock iran crusher 1968 Chevrolet Chevelle for sale 2283443 Muncie M22 quotRock Crusherquot transmission Rebuilt P8S22 stamp VIN stamp 3925660 casting 12 Bolt rearend with 373 gears Rebuilt 3917124 castingChanging Muncie M22 Gear Ratios 1 Dec 2015.