Muncie Rock Crusher Identifi Ion

Mar 30 2009 i was just wondering how many different variations there are of the muncie 4 speed and which ones are best and for what reasons i currently have an m22 rock crusher in my 56 chevy pickup and have another m22 that was rebuilt about 6 years ago by my father but never used i also have what i believe is an m21 but im not certain

There is a ton of muncie information on this page it will be reorganized asap but for now i just wanted to get it out there many gm high performance engines came with the m22 rock crusher in the years 1970 through 1973 earlier versions of this four speed were available as early as in 1965 in the corvette stingray assembly line

May 01 2009 as stated its not an automatic gm used those transmission in a lot of vehiclesit was the m22 or muncie four speed tranny which was used in everything from chevelle sscars to impala ss carseven some of the vega transmissions was m22s they was very popular back in the 60s and 70sthe reason they got the name rock crusher was when you shifted them they sounded like that

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

Dave on muncie super duty m23 super case 4speed road or drag racing rockcrusher 2 week lockdown sale shawn riley on muncie super duty m23 super case 4speed road or drag racing rockcrusher 2 week lockdown sale michael obrien on new auto gear super case muncie m22 4speed rockcrusher streetstrip camaro corvette chevelle nova 2 week

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

Aug 07 2018 the early production muncie fourspeed case is the smallbore unit and can be identified by the gm casting number 3831704 see muncie m20m21m22 main case identification

The 2561 ratio is commonly referred to as the m20 muncie also had a second closeratio transmission designated m22 and often referred to as the rockcrusher which was used behind the highestperformance engines and in corvettes the m22 is a highly soughtafter performance transmission

Jul 05 2016 several things are needed to identify a muncie fourspeed transmission correctly one of the best ways to identify a muncie is the casting numbers on

Identify m21 m22 how to identify a m22 rock crusher it still runs how to identify a m22 rock crusher by janos gal an m rock crusher is a muncie fourspeed 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

Serial numbers for muncie 4 speeds always begin with the letter p 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 letter o would add confusion since it

Muncie 4speed identification guide it was much easier to stockpile muncie spare parts and cores in the 1970s than it is today reliable sources to validate information regarding serial and casting numbers will get scarcer as time passes the specialty rebuilders that have seen hundreds if not thousands of these transmissions can be

Jun 13 2017 the muncie four speed was produced in two ratios the wide ratio m20 and the closeratio m21 that being said there was a second closeratio version m22 that was developed to survive duty behind engines with a higher torque output and was known as the rock crusher

Jun 22 2016 identifying the muncie there also was a second heavyduty closeratio version the rock crusher m22 that was offered on some of the highperformance bigblock models starting with the 1965 corvette the choice of transmission usually id a muncie rock crusher

Identify m21 m22 how to identify a m22 rock crusher it still runs how to identify a m22 rock crusher by janos gal an m rock crusher is a muncie fourspeed 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

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 rockcrusher m22 4 speed this had the same gear ratios as the m21 but with

Apr 29 2014 muncie rock crusher identification country rock the canyon rock crusher canyon fl 2012 keene rock rc46 rock crusher review rock rock the crusher can you quarry rock without a rock crusher rock pulverizer copper ore prospecting rock crusher rock crusher manual hand sample crusher 1968 cedar rapids rock 855 rock crusher

Feb 21 2010 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 straight cut gears

Buy and sell muncie m22 rock crusher for sale tags new super get price and support online identifying muncie rock crusher by serial number how to identify a m22 rock crusher it still runs your an m22 rock crusher is a muncie fourspeed how to identify a m22 rock crusher the production year and the gear ratios on the aluminum

To understand the evolution of the muncie 4speed you have to look at a series of engineering platforms that led to the final design of this transmission the muncie design has roots going back to 1935 i took the time to research the patent number that is cast into most muncie main cases it is

Buy and sell muncie m22 rock crusher for sale tags new super get price and support online identifying muncie rock crusher by serial number how to identify a m22 rock crusher it still runs your an m22 rock crusher is a muncie fourspeed how to identify a m22 rock crusher the production year and the gear ratios on the aluminum

May 01 2009 as stated its not an automatic gm used those transmission in a lot of vehiclesit was the m22 or muncie four speed tranny which was used in everything from chevelle sscars to impala ss carseven some of the vega transmissions was m22s they was very popular back in the 60s and 70sthe reason they got the name rock crusher was when you shifted them they sounded like that

So youve decided to slam four with a gm muncie transmission 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 this is something you need to identify when you go to select your driven gear which is the plastic gear

How to identify a m22 rock crusher how to identify a m22 rock crusher an m22 rock crusher is a muncie fourspeed transmission for cars made by general motors in the 1960s