Home -- Rockcrusher M22 Muncie
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1968 muncie-rock crusher m-22 4 speed trans 10 spline input for sale in linden nj price: $2250.
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Review (mpn:3978764 for sale) extention muncie tail 32 3978764 rockcrusher housing m22 spline muncie m-22 tail housing the tail housing issues that are pictured and is in need of repair this tail housing was removed from a 1971 m 22 transmission however it will fit 1971 thru 1974 muncie .
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.
However the rock crusher was only equipped in cars that had high-performance big blocks including the corvette camaro firebird and chevelle thanks to the similarities between the m20 m21 and m22 transmissions you can use a combination of muncie 4-speed transmission parts to build the transmission you want for your project car.
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.
Jul 15 2013&0183;&32;i have 67 camaro with a factory m20 4-speed the synchronizers are going bad and its time to replace the trans the engine has been freshly built and pushing 450-500hp i am looking at either a keisler 5-speed or the legendary m22 rock crusher from midwest muncie can anybody tell me if the m22.
Oct 01 2008&0183;&32;m22 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 "oh ya this thing has a rock crusher (colloquial term for m22) in it ive only heard the sound of the real deal once.
Aug 07 2018&0183;&32;the m22 rock crusher would come later to accommodate the heavy twist of chevrolets big-blocks in the mid-1960s the m20 and m21 transmissions produced from 1963-74 .
An m-22 "rock crusher" is a muncie four-speed transmission for cars made by general motors in the 1960s identify a transmission type correctly before fitting it into your car if you have the incorrect transmission your car may not function properly you can identify several unique signs that identify an .
Jul 29 2016&0183;&32;build date code breakdown 1963-1966 production codes will start with the letter p and have four numbers for example: p0421 1 p represents the manufacturing plant muncie.
Jun 13 2017&0183;&32;the muncie four speed was produced in two ratios: the wide ratio (m20) and the close-ratio (m21) that being said there was a second close-ratio version (m22) that was developed to survive duty behind engines with a higher torque output and was known as the rock crusher.
Mar 02 2015&0183;&32;also m22 gearsets were made of a different heat-treated alloy the straighter angle was designed to produce less end loading of the geartrain noise thus the nickname rockcrusher the heat-treatedshotpeen process allowed for more impact of the gears if the muncie has a drain plug it does not necessarily identify it as an m22.
Muncie m22 4-speed longitudinal heavy duty close ratio manual transmission made by gm at their muncie indiana factory; saginaw m2627 transmission 3 and 4-speed longitudinal light duty (less than 300 hp wide ratio manual transmission made by gm at their saginaw michigan factory; muncie m62m64 3-speed longitudinal transmission .
Related: muncie 4 speed transmission muncie m22 4 speed transmission muncie m22 transmission other muncie m22 rock crusher rock crusher pulverizer muncie m21 borg warner t-10 include description category selected category all automotive parts & accessories; brand aftermarket products (7) items (7).
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 "auto gear" this is by far the "best" replacement aluminum case ever built for a muncie! the front bearing is a "sealed" bearing and slightly thicker than the original muncies .
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 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.
Muncie m22 "rock crusher 4 speeds from 1965 to 1974: this page is devoted to oem complete units; new aftermarket units and oem parts and nos parts we have rebuild kits in stock and ready for shipment email us with your requirements and we will assist you in completing your m22 rebuild or providing you with a complete trans.
An m22 retains less heat due to the straight-cut gear design and the lack of thrust that helical-cut gears create an m-22 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.
Muncie also had a second close-ratio transmission coded m22 and known as the "rock crusher" which was used behind performance big-block engines and in some corvettes these m22 units are highly sought-after for performance applications the term "rock crusher" refers to the noise made by the meshing of the strong-er helical gears in the m22.
Identifying muncie 4 speeds iii by paul cangialosi : the most popular question has to be that everyone thinks they have the famous "rockcrusher" m22 4 speed this had the same gear ratios as the m21 but with a heavy duty gearset the reason you may ask? well it wasnt designed so that you could go drag racing on saturday night or impress girls .
Feel free to upload pictures and ask questions some of the best muncie builders participate on that page muncie rpo codes just three types of muncie 4-speeds are available based on the rpo (regular production option) code used when a car was ordered: the m20 (standard wide-ratio) m21 (close-ratio) and m22 (heavy-duty close-ratio).
Muncie also had a second close-ratio transmission called an m22 which enthusiasts christened rockcrusher; this was used in performance big-block engines and corvettes and is a highly sought-after performance transmission today and is the heavy-duty version of the 220 ratio m21 4-speed.
Hence the name rockcrusher muncie 4-speeds have varying helix angles in the gearsets typically the m20m21 gearsets have a first-gear helix angle of 264 degrees and an input shaft angle of 39 degrees the reduction in the angle with the m22 is quite substantial.
The 220:1 ratio is commonly designated as the muncie m21 transmission the 256:1 ratio is commonly referred to as the m20 muncie also had a second close-ratio transmission designated m22 and often referred to as the "rock-crusher" which was used behind the highest-performance engines and in corvettes the m22 is a highly sought-after performance transmission.
Muncie m21 m22 4 speed (rwd) manual transmission parts these quality m21 and m22s manual transmission parts rebuild and overhaul kits are designed to be top of the line overhaul kits we have include information on how to identify individual transmissions application information model year detailed kit and part availability by .
Related: muncie 4 speed transmission muncie m22 4 speed transmission muncie m22 transmission other muncie m22 rock crusher rock crusher pulverizer muncie m21 borg warner t-10 include description category selected category all ebay motors complete car & truck manual transmissions;.
New muncie m22 220 close ratio or 252 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.
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 .
Dave on muncie super duty m23 super case 4-speed road or drag racing rock-crusher sale extended last week! shawn riley on muncie super duty m23 super case 4-speed road or drag racing rock-crusher sale extended last week! michael obrien on new auto gear super case muncie m22 4-speed rock-crusher streetstrip camaro corvette chevelle nova.
New auto gear super case muncie m22 4-speed rock-crusher streetstrip camaro corvette chevelle nova sale extended last week! $ 279900 $ 239900.
The gear box is the source for muncie parts like the new assembled m22 super rock crusher 4 speed kit with micro super finish or downshift case support the gear box transmissions muncie-tremec-saginaw-tko-top loader-richmond.
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 60&39;s and 70&39;s 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 so for many years 4 speed muncie .
Sep 15 2010&0183;&32;this gearset was quite noisy and from all indications was called the rockcrusher transmission from the beginning by all chevrolet and muncie engineering staff the 1965 m22 maintained the 10-spline input and 27-spline output as all other muncie transmissions from that model yearthe 1965 m22 also had the drain plug boss drilled and tapped .
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