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Gear Ratios Of The Rockcrusher Transmission

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  • M22rock Crusher4speedtransmissionsby Jetboatbill

    M22rock Crusher4speedtransmissionsby Jetboatbill

    New design muncie m22 rock crusher close ratio 4 speed this is the m22 transmission that gm could not build newly designed stateoftheart 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 and tons stronger

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  • Muncie 4 Speedtransmissions

    Muncie 4 Speedtransmissions

    You would need at least a 456 rear end gear to compensate for the dead first gear that was ok when gas was cheap in 1967 and you did not mind pulling 3000 rpm at 50 mph while going to work times and requirements have changed making both the m21 and m22 the closest ratio production 4 speeds ever produced but also not practical for todays driving habits unless road racing is your thing

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  • Guide To Muncie M20 M21 And M22 Fourspeed Transmissions

    Guide To Muncie M20 M21 And M22 Fourspeed Transmissions

    23 rows aug 08 2018 reverse gear 3111 m21 closeratio first gear 2201 second gear 1641 third

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  • Muncie M22rock Crusher Four Speed Transmission  Allnew

    Muncie M22rock Crusher Four Speed Transmission Allnew

    Mar 17 2021 this transmission will fit all 57 thru 74 gm products and is a rare opportunity to own a virtually brand new factory replica of the infamous m22 close ratio rock crusher transmission this transmission includes all new internal parts including a completely new gearset this transmission is a direct replacement for a borg warner t10 saginaw m20 or m21 with no other changes necessary to

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  • Guide To Muncie M20 M21 And M22 Fourspeed Transmissions

    Guide To Muncie M20 M21 And M22 Fourspeed Transmissions

    Aug 03 2018 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

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  • Brand New Supercase M22 4speed Muncie Rockcrusher Style

    Brand New Supercase M22 4speed Muncie Rockcrusher Style

    Gear ratio choices z ratio 1st2984 2nd2043 3rd1468 4th100 w ratio 1st2559 2nd1752 3rd1366 4th100 pair it with a faster axle say a 354 for street or a 411 for the strip x ratio 1st2199 2nd1506 3rd1174 4th100 for road racing and tracks shaft choices 10 or 26 input spline 27 or 32 output spline

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  • Muncie Fourspeeds  Hemmings

    Muncie Fourspeeds Hemmings

    The 2201 ratio is commonly designated as the muncie m21 transmission 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

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  • The 1965 Chevrolet M22 Rockcrusher Transmission The

    The 1965 Chevrolet M22 Rockcrusher Transmission The

    Sep 15 2010 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 10spline input and 27spline output as all other muncie transmissions from that model yearthe 1965 m22 also had the drain plug boss drilled and tapped for a magnetic drain plug

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  • Muncie 4speed Transmissions  Hemmings

    Muncie 4speed Transmissions Hemmings

    The 2201 ratio first gear is usually referred to as the muncie m21 transmission based on gms production codes the 2561 ratio is referred to as the m20 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

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  • Auto Gear Super Case M22z Rock Crusher 4speed Perfect

    Auto Gear Super Case M22z Rock Crusher 4speed Perfect

    Special z ratio 2981st 2042nd1463rd 114th perfect for your 273 to 342 gears excellent performance in 1st gear and low rpm on the highway forget the 5 or 6 speed and all the mods needed to install the m22z will be a direct replacement for your original muncie with no extra mods needed

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  • Muncie 4 Speed Transmissions

    Muncie 4 Speed Transmissions

    You would need at least a 456 rear end gear to compensate for the dead first gear that was ok when gas was cheap in 1967 and you did not mind pulling 3000 rpm at 50 mph while going to work times and requirements have changed making both the m21 and m22 the closest ratio production 4 speeds ever produced but also not practical for todays driving habits unless road racing is your thing

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  • Chevy Transmissions Muncie 4speed M22rockcrusher

    Chevy Transmissions Muncie 4speed M22rockcrusher

    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

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  • Gear Ratios Of The Rockcrusher Transmission

    Gear Ratios Of The Rockcrusher Transmission

    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 rearaxle ratios 355 or lower numerically unless someone has changed it

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  • Muncie 4speed Transmissionshemmings

    Muncie 4speed Transmissionshemmings

    The 2201 ratio first gear is usually referred to as the muncie m21 transmission based on gms production codes the 2561 ratio is referred to as the m20 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

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  • Brand New Supercase M22 4speed Muncierockcrusherstyle

    Brand New Supercase M22 4speed Muncierockcrusherstyle

    Must choose gear ratio and shafts z ratio 1st2984 2nd2043 3rd1468 4th100 w ratio 1st2559 2nd1752 3rd1366 4th100 pair it with a faster axle say a 354 for street or a 411 for the x ratio 1st2199 2nd1506 3rd1174 4th100 for road racing and tracks

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  • Inside The Nseries M23transmissionfrom Autogear

    Inside The Nseries M23transmissionfrom Autogear

    Apr 03 2019 gs we duplicate the m20 and m21 gearset and the m22 "rock crusher" in three ratios 2201 2561 and 2981 first gears for our "severe duty" m23 we

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  • Identify General Motorsfourspeed Transmissions

    Identify General Motorsfourspeed Transmissions

    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

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  • Muncie 4 Speedtransmissions

    Muncie 4 Speedtransmissions

    The new muncies being built today have some better ratiostodays examples of the new car gear set ups are mustang gts with a 335 1st gear and 308 rear new camaros with a 268 1st gear 373 rear gear and 59 overdrive zr1s with a 268 1st gear 354 rear gear and a 59 overdrive get the picture

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  • How To Identify A M22rock Crusher It Still Runs

    How To Identify A M22rock 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

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  • Magical Muncie Fourspeed  Hotrod Hotline

    Magical Muncie Fourspeed Hotrod Hotline

    Dump the rock crusher hot rodders say people think all muncie fourspeeds are rock crushers but theyre not nowadays there are custom gear ratios and set ups including m21 wideratio and m22 wideratio units you can pretty much get what you want

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  • Whatis A Rock Crusher Transmission Yahoo Answers

    Whatis A Rock Crusher Transmission Yahoo Answers

    May 01 2009 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 rearaxle ratios 355 or lower numerically unless someone has changed it

    Oline Chat
  • Muncie M22rock Crusher Four Speed Transmission  Allnew

    Muncie M22rock Crusher Four Speed Transmission Allnew

    Mar 17 2021 this transmission will fit all 57 thru 74 gm products and is a rare opportunity to own a virtually brand new factory replica of the infamous m22 close ratio rock crusher transmission this transmission includes all new internal parts including a completely new gearset this transmission is a direct replacement for a borg warner t10 saginaw m20 or m21 with no other changes necessary to

    Oline Chat
  • M22rock Crusher4speedtransmissionsby Jetboatbill

    M22rock Crusher4speedtransmissionsby Jetboatbill

    New design muncie m22 rock crusher close ratio 4 speed this is the m22 transmission that gm could not build newly designed stateoftheart muncie front case from "auto gear" this is by far the "best" replacement aluminum case ever built for a muncie

    Oline Chat
  • Muncie 4speedtransmissiongroup 4000

    Muncie 4speedtransmissiongroup 4000

    New cluster gear tooth count25221917gear ratio 256175136100 all new forward gears 12 stronger than oem 355 speedo gear new steel midplate

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  • Gm 4speed Manual Gearvendors

    Gm 4speed Manual Gearvendors

    These words are very similar for the m20 and t10 but with some slight ratio differences depending on modelall m2122 have the same 22 upshift and 28 downshift spread as the gear vendors overdrive is the first reason you are going to add the gear vendors 286

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  • Gear Ratios Of The Rockcrusher Transmission

    Gear Ratios Of The Rockcrusher Transmission

    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

    Oline Chat

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