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The 2.561 ratio is commonly referred to as the M20. Muncie also had a second closeratio transmission designated M22 and often referred to as the quotrockcrusherquot which was used behind the highestperformance engines and in Corvettes the M22 is a highly sought
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Rock Crusher Transmission Codes. rock crusher transmission codes identifying muncie rock crusher by serial number the serial number is a date code the transmission was built for a particular Get Price What Is A Rock Crusher Transmission
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Aug 07 2018nbsp018332GMs goal with the Muncie fourspeed was to produce a better shift employing larger synchro cones. He tells us both the M20 wideratio and M21 closeratio transmissions were first offered in 1963. The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolets bigblocks in the mid
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Sep 15 2010nbsp018332The 1965 Chevrolet M22 Rockcrusher Transmission The Mystical Transmission by Alan Colvin on September 15 2010 Although all previously published data has denied or excluded the existence of the 1965 M22 transmission this author has uncovered the
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Performance Built Muncie M22 Rock Crusher 4 Speed Transmission. This unit has been rebuilt at our state of the art facility. We have carefully engineered a process that allows us to bring you a product we can stand behind. This is a direct replacement for the following Chevrolet Oldsmobile Buick and Pontiac vehicles. Compatible Vehicles
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On October 21 1968 another letter code was added to the plant prefix number to identify Muncie transmission ratios. Muncie 3 Speed A3.031 B2.421 Muncie 4 Speed A2.521 Wide Range B2.21 Close Range C2.21 Rock Crusher. Beginning in 1968 the cars last eight numbers of the VIN were stamped on the transmission. As with all car
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Chevy 4 speed rock crusher manual transmission codes An M22 quotRock Crusherquot is a Muncie fourspeed transmission The serial number is a date code the . Get More Info m22 rock crusher first gear id muncie rock crusher code numder The first is a main case casting Muncie Transmission
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For sale is a Factory Replica of the Close Ratio Muncie Rock Crusher Four Speed Transmission typically used in High Performance 1969 Corvettes Camaros Chevelles Novas El Caminos Impalas Oldsmobiles and Pontiacs.. Also included are Hand Fitted Synchronier Sliders and Hubs. The hand fitted slidershubs improves shifting quality through all RPM ranges
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How to Identify Muncie 4 Speed Transmissions. Identifying Muncie 4 Speeds III by Paul Cangialosi The most popular question has to be that everyone thinks they have the famous quotrockcrusherquot M22 4 speed. This had the same gear ratios as the M21 but with
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Apr 17 2015nbsp018332The 1971 transmissions were the same as from previous year except that the M21 closeratio 4speed transmission was replaced with a stronger version of the Mun173cie closeratio gearbox the famous M22 Rock Crusher 4speed. It was the strongest 4
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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 amp M22 manual transmission that includes complete 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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Rebuilt muncie 4 speed transmission with hurst. Muncie 4speed transmission for sale. Please be sure that you are intending to buy or able to pay within the said period before bidding. Muncie m22 rock crusher four speed transmission
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How to identify an m22 rock crusher transmission. Muncie 4 speed Transmission Group 4.000 rock crusher Decoding Chevrolet VIN trim tags cowl tags engine engine block casting numbers cylinder head casting numbers intake manifold casing numbers transmission interior codes and paint codes
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Muncie rock crusher identification . muncie rock crusher identification C3 Corvette Transmission Codes 1977 to 1982 Transmission Production Code Locations. 3Speed 1968 and 1969 Stamping located on the machined surface on the left side of the case just below and rear of cover
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The 1965 Chevrolet M22 Rockcrusher Transmission The. Sep 15 2010 Across 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.get price
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Jun 13 2017nbsp018332The M20 and M21 used a gearset with a more angled tooth design on each gear left. The M22 Rock Crusher used a gearset that features less of an angledtooth gearing right. Images courtesy chevelles.com. The ratio of the four
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This transmission will fit all 57 thru 74 GM products and is a rare opportunity to own a virtually brand new M22 Close Ratio Rock Crusher Transmission with a completely new gear set. This transmission is a direct replacement for a Borg Warner T10 Saginaw M20 or M
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The part number location varies on C4 transmissions and is used to determine year of manufacture. The number is normally four
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NNEW Muncie M22 SUPER ROCK CRUSHER 4 speed 2399.00. 2399.00 PLUS SH. 150.00 MICRO SUPER FINISH. 35.00 THRUST BUTTON FOR HEAVY LAUNCH AND DOWNSHIFT CASE SUPPORT. ASSEMBLED SUPER ROCK CRUSHER M22 650 HP. CALL for orders. NEW Direct replacement M22. Completely assembled. For up to 650 HP power applications. 10 or 26 Input Spline
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Serial numbers for Muncie 4 speeds always begin with the letter quotPquot. P stands for Muncie Plant. Not for passenger car as some self proclaimed specialists may think. The letter M was used to ID the Muncie plant for the Muncie 3 speed so P was the next logical letter. The
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A serial number is stamped on all Muncie transmission cases. The code has nine symbols that will reveal the GM division year model assembly plant and car the transmission was used in. Dump the Rock Crusher hot rodders say. People think all Muncie four
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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 rear
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Jul 05 2016nbsp018332There also was a second heavyduty closeratio version the quotRock Crusherquot M22 that was offered on some of the highperformance big
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Chevy 4 speed rock crusher manual transmission codes. heavy industry is specialied in the design manufacture and supply of . Read More. NEW Auto Gear Super Case Muncie M22 4 Speed Rock Crusher . A great Super Heavy Duty Rock Crusher M22 for your Camaro Nova Chevelle Corvette or other GM car. Close Ratio 2.20 1st 1.64 2nd 1.28 3rd 4th
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