An M-22 quotRock Crusherquot is aMunciefour-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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Aug 07, 2018middot cangialosi explains there were two basic mainshafts produced for the m20, m21, andm22 transmissionssee inputshaft identification chart. from 1963-70, themunciehellip
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Muncie4speed transmissionsthe 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 a heavy duty gearset. the reason you may ask
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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.
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Rock crusher transmission diagramanm22 rock crusheris amuncie fourspeed transmissionfor cars made by general motors in the 1960sidentifyatransmissiontype correctly before fitting it into your car if you have theincorrect transmissionyour car m...
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Aug 03, 2018middot the early productionmunciefour-speed case is the small-bore unit and can beidentifiedby the gm casting number 3831704 seemunciem20m21m22 maincase identification charthellip
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How toidentify muncie4 speedtransmissions. identifyingmuncie4 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 a heavy duty gearset. the reason you may ask
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The 2.201 ratio is commonly designated as themunciem21transmission. the 2.561 ratio is commonly referred to as the m20.munciealso had a second close-ratiotransmissiondesignated m22 and often referred to as the quotrock-crusher,quot which was used behind the highest-performance engines and in corvettes, the m22 is a highly sought-after performancetransmission.
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Jul 05, 2016middot howto identify a muncie four speed. ... there also was a second, heavy-duty close-ratio version the quotrock crusherquot m22 that was offered on some of the high-performance big-block models ...
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Muncie identificationthe hamb. 2010-2-21although some claim that the m23 is arock crusherit is indicated that this box was assembled in both wide and close ratio components and also with straight cut gears common to therock crusherm22transmission.
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New design muncie m22 rock crusher close ratio 4 speed. this is the m-22 transmission that gm could not build newly designed state-of-the-art muncie front case from quotauto gearquot. this is by far the quotbestquot replacement aluminum case ever built for a muncie the front bearing is a quotsealedquot bearing, and slightly thicker than the original muncies ...
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In the early 60x27s most of gms manual hot rods came with the borg-warner t10 note not the super t10, that came later and replaced the muncie. the t10 was a decent transmission in its own right, however it was not ready for the new power coming out of gms engine division. they needed something more modern, and the t10 was on borrowed time. that something came in 1963- the muncie 4 speed.
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1963 would be the first year for the muncie, where it would be installed in the corvette and some full-size cars. as with most major car components, there were year-to year changes during the muncies run from 63 until 74. during its time there were three main versions of the transmission, usually referred to by their gm rpo regular production option
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Muncie m22 rock crusher show car quality transmission. the m22 was eventually dubbed the rock crusher it is a common misconception that all muncie transmissions are rock crushers but it is only the m22 that deserves that name the m20 and m21 were both release in
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Muncie rock crusher transmission liming heavy industry is specialized in the design, manufacture and supply of crushing equipment used in mining industry. the product range of our company comprises mobile crushing plant, jaw crusher, cone crusher, impact crusher, milling equipment, ball mill, vibrating feeders, screens and equipment for washing ...
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M22, the rarest of the bunch. its nickname is the rock crusher due to the noise generated by the gearset. the gear ratios are the same as in the m21, but the tooth angle is different. youll get more gear noise, but youll also get more strength.
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Regarding strength, i have never seen official numbers but its kind of accepted that the stock m20 will be good with 400hp, the m21 450hp, and the m22 500hp speaking in terms of sae net horsepower. youll get people that will argue about more or less and that theyve slammed their m20 with 500hp, but this is what ive seen from reputable sources. with modern parts, however, you can build a muncie to take significantly more.
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Now on to some more technical stuff- internals of the trans.
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Gear ratios themselves were different in the early m20 transmissions 1963-1965 and then had no further changes during the rest of the muncies production.
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Sep 22, 2009nbsp018332transmission will shorten the synchronizer life by one half. the extreme pressure requirements of spur gears and helical gears found in transmissions are not nearly as great as found in rear-wheel drive differentials. a gl-4 lubricant provides adequate protection for most manual transmissions, unless a unique design
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The m22 was eventually dubbed the rock crusher. it is a common misconception that all muncie transmissions are rock crushers, but it is only the m22 that deserves that name. the m20 and m21 were both release in 1963, but it wasnt until 1965 that the m22 hit the market. the m22 was created for the corvette grand sport racing program.
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The 6,500 rpm redline required deep-groove accessory pulleys. the engine is backed by a muncie m22 rock crusher 4-speed manual transmission and heavy-duty 12-bolt rear axle for supercar-level factory performance that thrust the ls6-equipped 1970 chevelle into
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Muncie m22 rock crusher ultra show car quality transmission finally a show car transmission worthy of your ultimate show car vehicle the m22 this iconic transmission is based upon the infamous rock crusher transmission made famous in the 60s and 70s by being installed in the l-88s, big block 425 hp
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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 g.m cars. they have the same gear ratios as the legendary m21 but with a heavy duty gearset.
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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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Aug 17, 2020nbsp018332muncie m22 rock crusher 4 speed transmission gear . muncie m22 rock crusher 4 speed transmission gear. this is a rare muncie heavy duty 3 speed transmission 5 bolt with matching aluminum bell houseing in very good condition. 4 speed muncie transmission with hurst compensation shif...
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May 01, 2009nbsp018332the rock crusher was the m-22 muncie close ratio 4 speed transmission favored in the 60s gm hot rods.well balanced, smooth shifting and
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New upgraded muncie m20 4 speed 2158.00. no price new muncie m22 super rock crusher 4 speed 2399.00. no price muncie master overhaul kit. the ultimate master rebuild kit for muncie transmissions.
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The muncie case 3831704 replaced the t10 4-speed in the 1963 chevrolet bel air and corvette by mid-may of that year. the t10 front bearing size was reduced in diameter in 1963 only. this meant that the transmissions front bearing retainer and register bore of the bellhousing were also smaller in
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Among old-timers, the muncie transmission commands a certain degree of respect. sure, you could get a manual in tons of cars from gm during the 60s and 70s, but the muncie was the one to have. saginaw transmissions were cheaper, and worked admirably, but scattering gear oil on the pavement was a scary reality if you pushed them too hard.
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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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