• Guide to Muncie M20, M21, and M22 FourSpeed

    The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet's bigblocks in the mid1960s The M20 and M21 transmissions produced

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  • Gear Ratios Of The Rockcrusher Transmission Crusher

    Munciem22 4 Speed Rock Crusher Gear Set Fontanero Heavy 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

  • Muncie 4speed Transmission (Group 4000)

    1971'74 The 220:1 ratio first gear is usually referred to as the Muncie M21 transmission; based on GM's production codes The 256:1 ratio is referred to as the M20 Muncie also had a second closeratio transmission coded M22 and known as the "rock crusher

  • Muncie fourspeeds | Hemmings

    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 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

  • Muncie 4 Gear Trans Co

    MUNCIE M22 "ROCK CRUSHER" 4 SPEED GEARS: with 10 or 26 Spline Input so you don't have to swap out your clutch installing the Wide Ratio M22 in you pre1971 vehicle Please visit our "Specials" Page for introductory pricing on our "4GTC" M22 Gear Sets us for pricing or with questions about your application

  • Brand New SUPERCASE M22 4Speed Muncie

    This a BRAND NEW SUPERCASE M22 4Speed Muncie Rockcrusher Style Transmission Each new Auto Gear transmission is built from genuine Auto Gear parts, the highest quality available This is a BEEFY version of the original Rock Crusher transmission

  • NEW Muncie M22 SUPER ROCK CRUSHER 4 speed

    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 MuncieTremecSaginawTKOTop LoaderRichmond

  • Muncie 4speed Chevelle Stuff

    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

  • Muncie 4 Speed Transmissions 5Speeds

    The new Muncies being built today have some better ratiosToday's examples of the new car gear set ups are Mustang GT's with a 335 1st gear and 308 rear New Camaros with a 268 1st gear, 373 rear gear and 59 overdrive ZR1's with a 268 1st gear, 354 rear gear

  • Muncie 4 Gear Trans Co

    MUNCIE M22 "ROCK CRUSHER" 4 SPEED GEARS: with 10 or 26 Spline Input so you don't have to swap out your clutch installing the Wide Ratio M22 in you pre1971 vehicle Please visit our "Specials" Page for introductory pricing on our "4GTC" M22 Gear Sets us for pricing or with questions about your application

  • Brand New SUPERCASE M22 4Speed Muncie

    This a BRAND NEW SUPERCASE M22 4Speed Muncie Rockcrusher Style Transmission Each new Auto Gear transmission is built from genuine Auto Gear parts, the highest quality available This is a BEEFY version of the original Rock Crusher transmission

  • chevy speed rock crusher manual transmission codes

    M22 “Rock Crusher” Identifi ion 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

  • Guide to Muncie M20, M21, and M22 FourSpeed

    The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet's bigblocks in the mid1960s The M20 and M21 transmissions produced from 1963'74

  • How to Identify a M22 Rock Crusher | It Still Runs

    An M22 "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 You can identify several unique signs that identify an

  • Identify General Motors' FourSpeed Transmissions

    The 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 The ratio of the fourspeed transmission placed in any car was usually determined by the engine size and rearend axle ratio

  • Muncie Parts The Gear Box

    Muncie M22 1st gear 36 tooth Italian or Korean 1st gear with 36 teeth for all Muncie M22 close ratio transmissions From $10900 Muncie M22 Rollerized 1st Gear Rollerized 1st gear, 36 tooth, for Muncie M22 transmissions, 196474 A rollerized 1st gear is a must in high load and high speed applications, such as road racing or circle track

  • 1971 Pontiac Firebird Trans Am 2gta

    Automatic's outnumbered manuals 3to2 with 1231 buyers opting for the turbo 400, and 885 going for the "rock crusher" 1971 was certainly a pivotal year to the Trans Am, with legislators pushing for clean air and less horsepower, many feared the newly designed Firebird and specificly the Trans Am would be a short lived "nice try"

  • M21 vs M22 | Team Camaro Tech

    The rock crusher gears alloy content is different and the different gear angles make the noise The ratios are the same for both Is there a difference in the synchros or anything else to make an M22

  • Muncie decoding? | NastyZ28

    Since the M22 Rockcrusher normally were for the bigblocks, and no bigblocks were offered in 1973 as we all know (At last not in a Camaro) Nov 22, 2014 #2

  • mM 22 Rock Crusher Transmission Marimba

    1971 m22 rock crusher transmission gear ratios Grinding NEW DESIGN MUNCIE M22 ROCK CRUSHER 4 The rock crusher gear set is made in Italy by a company that produces 1971 Chevelle Muncie transmission M22 rock crusher m22 rock crusher transmission for sale

  • how to identify an m22 rock crusher transmission

    Our Muncie M22 Rock Crusher transmission is wholesale priced while maintaining a strict standard of quality Call Us Toll Free 18889957278 1971 Chevrolet Corvette C3 Production Statistics and Facts Auto Gear choice of gear ratios in their 4 speeds M22 trans is: M21 is close ratio, shift from 2nd to 3rd and you can't tell the

  • Muncie 4 Gear Trans Co

    MUNCIE M22 "ROCK CRUSHER" 4 SPEED GEARS: with 10 or 26 Spline Input so you don't have to swap out your clutch installing the Wide Ratio M22 in you pre1971 vehicle Please visit our "Specials" Page for introductory pricing on our "4GTC" M22 Gear Sets us for pricing or with questions about your application

  • decode on rockcrusher transmission

    1971 Chevelle Muncie transmission M22 rock crusher 454 SS July 28 in eBay Motors, Chevrolet Chevy Manual Transmission Identification and Decoding Identifying Muncie Rock Crusher By Serial Number also known as the “Rock Crusher number to help identify the gear ratios Our Muncie M22 Rock Crusher transmission identifying an m22

  • Brand New SUPERCASE M22 4Speed Muncie

    This a BRAND NEW SUPERCASE M22 4Speed Muncie Rockcrusher Style Transmission Each new Auto Gear transmission is built from genuine Auto Gear parts, the highest quality available This is a BEEFY version of the original Rock Crusher transmission

  • Muncie M22 Rock Crusher Wikipedia atdanconait

    Muncie M22 Rock Crusher Wikipedia Corvette rock crusher trans muncie also had a second closeratio transmission coded m22 and known as the rock crusher which was used behind performance bigblock engines and in some corvettes the term rock crusher refers to the noise made by the mes

  • Synchromesh and Muncie 4Speed Transmission

    It uses much the same gear ratios as the closeratio M21, but can take more abuse An M22 retains less heat due to its straightcut gears and the lack of thrust that helicalcut gears create An M22 holds up well The downside is it tends to make noise It will rattle at low rpms and whine at high rpms The M22 is called the Rock Crusher

  • 1971 Chevrolet Corvette C3 Production Statistics,

    The resin process used to form body parts was also updated to increase quality This was the last year for the M22 "Rock Crusher" heavy duty transmission It was named the "Rock Crusher" because of the sounds it made when shifting Still no black Vettes' this year on the standard order sheet

  • Muncie Parts The Gear Box

    Muncie M22 1st gear 36 tooth Italian or Korean 1st gear with 36 teeth for all Muncie M22 close ratio transmissions From $10900 Muncie M22 Rollerized 1st Gear Rollerized 1st gear, 36 tooth, for Muncie M22 transmissions, 196474 A rollerized 1st gear is a must in high load and high speed applications, such as road racing or circle track

  • Muncie 4Speed Identification Guide Chevy DIY

    You really cannot get the early M20 and M22 mixed up because the early M20 came with a 7/8inch countershaft, while the M22 did not In fact all of the upperspeed gears have the same tooth count regardless of ratios Every first gear has 36 teeth, second gear has 30 teeth, and third gear has 27 teeth So how did the ratios change?

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