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Muncie also had a second closeratio transmission called an M22 which enthusiasts christened Rockcrusher this was used in performance bigblock engines and Corvettes and is a highly soughtafter performance transmission today and is the heavyduty version of the 220 ratio M21 4speed
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The 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 gear train and less heat but created more noise thus the nickname Rock Crusher was born
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Camaro Manual Transmission Information Manual Transmission Eyeballing Muncie left Saginaw center Borg Warner right To quickly finger what you have notice in the above picture The muncie reverse lever is in the extention housing and the cover has 7 bolts The Saginaw reverse shift lever is on the cover and the cover has 7 bolts
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Home of the worlds best 4 speed muncie transmissions and parts We also offer muncie rebuild kits racing parts and m22 rock crusher transmissions
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Nov 12 2004Muncie 4speed vs Saginaw 4speed If you are running any V8 stronger that stock avoid this transmission Munci came in models 20 21 and 22 The 22 is only called the rock crusher and is noisy The ratios in each are different the nastyz28 web site has good information on all
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Find muncie mor sale is a close ratio transmission for 63 thru 74 gm products including grand sport corvette chevrolet oldsmobile buick and pontiac and is a rare opportunity to own a virtually brand new m22 close ratio rock crusher transmission with a pletely new gearsetis transmission is a direct replacement for a borg warner t10 saginaw m20 or m21 with no other changes
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M21 Rock Crusher Saginaw Transmission m21 rock crusher saginaw transmissionm21 rock crusher saginaw transmission m21 rock crusher saginaw transmission 4 speed transmission in a 1950 12 ton plant 2008 12 20 thank you for the good information chuck and sharing the pictures from the albumit is Marketing Budget
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NEW Muncie M22 SUPER ROCK CRUSHER 4 speed 239900 No Price Muncie 1st gear with 36 teeth fits all M20 M 21 Muncie transmissions 196474 From 7000 Saginaw Muncie GM applications Includes metric American bolt depending on application 450 Muncie speedo gear clip Speedo gear clip for Muncie transmissions with plastic
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M21 close ratio and the extra heavy duty close ratio M22 also known as the Rock Crusher The M22 was generally installed behind severely powerful high torque bigblock engines The M22 is distinguished from an M21 by the angle of the gear teeth Saginaw M19 Manual Transmission Overhaul Kit GM T56 Installation Overview Manual
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How to Tell the Difference Between a 4 Speed Muncie a Saginaw Transmission by Joe Friedman Muncie and Saginaw were two production facilities for General Motors vehicles for many years In the 1960s and 1970s both factories produced fourspeed transmissions for some otherwise identical cars Car enthusiasts care a great deal about the
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Finally a show car transmission worthy of your ultimate show car vehicle the m22 this iconic transmission is based upon the infamous rock crushertransmission made famous in the 60s and 70s by being installed in the l88s big block 425 hp factory muscle cars and hot rods of the past
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NEW DESIGN MUNCIE M22 ROCK CRUSHER CLOSE RATIO 4 SPEED THIS IS THE M22 TRANSMISSION THAT GM COULD NOT BUILD Newly designed STATEOFTHEART Muncie front case from Auto Gear This is by far the BEST replacement aluminum case ever built for a Muncie
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Most transmissions are missing these tags but if you want to do a plete 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 the transmission is still in the car only the 1969 to 1974 cases had ratio identifiers in the serial number
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Jun 13 2017When properly identifying a Saginaw transmission the casting numbers are a surefire way to know for certain what youre looking at These numbers can be found on the transmission case and the first letter in this series of numbers is going to tell you exactly which Saginaw transmission you are looking at The M22 Rock Crusher used a
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Having issues diagnosing problems with your M21 M22 4 Speed Muncie Manual Transmission we can help Below you will find a detailed parts list for the M21 M22 manual transmission that includes plete rebuilt transmissions bearing rebuild kits with and without synchro rings gaskets and seals small parts kits bushings individual bearings slider synchro rings forks gears and shafts
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There is strong evidence the Saginaw M20 wide ratio transmission did not appear before FebruaryMarch of 1966 so all M20 4speeds are assumed to be Muncie before this date thus the nickname Rock Crusher was born Another misconception is if you have a drain plug you have a M22 1967 Muncie coded P7T21 for December 21 1966
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Chevy Transmissions Muncie M22 Rock Crusher 4 Speeds were made From 1965 TO 1974 The most popular transmission of its time for high performance cars built for Chevrolet and all performance oriented GM cars They have the same gear ratios as the legendary M21 but with a heavy duty gearset
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M22 Rock CrusherIdentification 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
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M21 rock crusher saginaw transmission M21 Rock Crusher Saginaw Transmission m21 rock crusher saginaw transmissionthe muncie four speed transmission was used with many different a muncie four speed transmission from a saginaw or borgwarner in two different ratios the wide ratio m20 and the close ratio m21 m21 rock crusher saginaw transmission art derock crusher
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Muncie 4Speed The Complete History It is from a Saginaw 3speed casting number 591620 It can be used as an adapterbearing retainer It was an old trick to enable smallretainer transmissions with 21 teeth is on the right Reducing the number of teeth made a huge
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Muncie Rock Crusher Trans A Muncie differs from a Saginaw transmission in that its reverse lever is in the tail housing not the side cover The difference between a Muncie and a BorgWarner is the Muncies 7bolt side cover two less than BorgWarner units
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Nov 08 2016The rebuild parts for my rock crusher cost more than what I paid for the Saginaw I like the Saginaw for everyday driving because it is quieter and as someone said earlier I skip second quite often on the M22 Unless you are planning on flogging your transmission a lot I would go with the Saginaw for an everyday driver just because of the cost
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Jun 22 2016Tech expert James Berry answers a readers question on how to identify a Muncie fourspeed manual transmission fourspeed transmission from a Saginaw
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Find used Muncie Transmission for sale on Craigslist Letgo eBay OfferUp Amazon and others Very nice rebuilt saginaw 4 speed i ran it only a hand full of times before Am selling a number of items and would always pass on pp savings for multiple purchases Chevy muncie m22 rock crusher 4 speed transmission 0 miles on rebuild
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Sep 15 2010Across the top of the page are the words First Build 41565 1st Shipment 41965 recap of M22 Rock Crusher TransBy paring these M22 transmission assemblies to Chevrolets 1965 transmission identification codes I found a perfect match
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Aug 07 2018The M22 Rock Crusher would e later to acmodate the heavy twist of Chevrolets bigblocks in the mid1960s The M20 and M21 transmissions
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May 01 2009M22 Rock CrusherIdentification 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
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Transmissions are an essential part of hot rod builds One of the most mon swaps involves a Muncie 4speed These are easy to adapt to a wide range of hot rods There are three basic types of Muncies M20 M21 and M22 A Muncie differs from a Saginaw transmission in that its reverse lever is in the tail housing not the side cover
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The 2561 ratio is monly referred to as the M20 Muncie also had a second closeratio transmission designated M22 and often referred to as the rockcrusherwhich was used behind the highestperformance engines and in Corvettes the M22 is a highly soughtafter performance transmission
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The m21 m22 is a four speed rwd or 4wd transmission the m21 m22 is a muncie engineering design this transmission is aluminum case extension housing and side cover the side cover has seven bolts and two shift cams the synchro rings have 35 teeth and the M21 rock crusher saginaw transmission
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M21 Rock Crusher Saginaw Transmission M22 Rock Crusher 4Speed Transmissions by JetBoatBill NEW DESIGN MUNCIE M22 ROCK CRUSHER CLOSE RATIO 4 SPEED THIS IS THE M22 TRANSMISSION THAT GM COULD NOT BUILD Newly designed STATEOFTHEART Muncie front case from Auto Gear M21 Rock Crusher Saginaw Transmission Grinding email protected
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