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M Rock Crusher Ratios From Canada

  • Muncie four-speeds | Hemmings
    Muncie four-speeds | Hemmings

    The 2.20:1 ratio is commonly designated as the Muncie M21 transmission. The 2.56:1 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

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  • Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher
    Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher

    This a BRAND NEW SUPERCASE M22 4-Speed 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

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  • Muncie M Rock Crusher Break Down
    Muncie M Rock Crusher Break Down

    Muncie M Rock Crusher Break Down. The Muncie 4 speed,was first designed in 1963,and lasted until 1974. There are 2 basic ratios,close and wide. The close ratio gear box,gives you a fairly high first gear,with the rest of the gears fairly close together,for less rpm drop on your top end

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  • Guide to Muncie M20, M21, and M22 Four-Speed
    Guide to Muncie M20, M21, and M22 Four-Speed

    Aug 08, 2018 He tells us both the M20 wide-ratio and M21 close-ratio transmissions were first offered in 1963. The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet's big-blocks in

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  • The 1965 Chevrolet M22 Rockcrusher Transmission:
    The 1965 Chevrolet M22 Rockcrusher Transmission:

    Sep 15, 2010 The 1965 M22 maintained the 10-spline input and 27-spline output as all other Muncie transmissions from that model year.The 1965 M22 also had the drain plug boss drilled and tapped for a magnetic drain plug. This was not done on the M20 or M21 transmissions. Driver’s side of restored 1965 M22 transmission

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  • NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $
    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 Muncie-Tremec-Saginaw-TKO-Top Loader-Richmond

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  • M-22 Rock Crusher 4-Speed Transmissions by JetBoatBill
    M-22 Rock Crusher 4-Speed Transmissions by JetBoatBill

    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

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  • GM Muncie 4-Speed Decoding : Drivin' It Home
    GM Muncie 4-Speed Decoding : Drivin' It Home

    M-22 “Rock Crusher” Identification The M-22 close-ratio transmission is easily identified internally from the M-20 and M-21 versions by the angle of the gear teeth. The M-22 was only produced in a close-ratio version, so it will not appear on models with high rear-axle ratios (3.55 or lower numerically) unless someone has changed it

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  • Muncie 4-speed Transmissions | Hemmings
    Muncie 4-speed Transmissions | Hemmings

    The 2.20:1 ratio first gear is usually referred to as the Muncie M21 transmission; based on GM's production codes. The 2.56:1 ratio is referred to as the M20. 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

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  • M22 Rock Crusher
    M22 Rock Crusher

    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. ... The Wide Ratio M22 gear set is based on the 2.52 first gear ratio's and is available in both 10 and 26 spline Inputs. Contact us for suggestions of which set would best serve your application

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

    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

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  • Magical Muncie Four-Speed | Hotrod Hotline
    Magical Muncie Four-Speed | Hotrod Hotline

    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. People think all Muncie four-speeds are Rock Crushers, but they’re not

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  • YEARONE Blog Updates: GM Muncie 4-Speed Decoding
    YEARONE Blog Updates: GM Muncie 4-Speed Decoding

    Dec 09, 2009 M-22 “Rock Crusher” Identification The M-22 close-ratio transmission is easily identified internally from the M-20 and M-21 versions by the angle of the gear teeth. The M-22 was only produced in a close-ratio version, so it will not appear on models with high rear-axle ratios (3.55 or lower numerically) unless someone has changed it

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  • Crushing in Mineral Processing
    Crushing in Mineral Processing

    Dec 26, 2015 Primary crushers are designed so that the maximum size that can be presented to the crusher is approximately 80% of the gape. Jaw crushers are operated to produce a size reduction ratio between 4 :1 and 9 : 1. Gyratory crushers can produce size reduction ratios over a somewhat larger range of 3 :1 to 10 :1

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  • M21 M22 4 Speed Muncie Manual Transmission - Midwest
    M21 M22 4 Speed Muncie Manual Transmission - Midwest

    The M21 & M22 is a four speed, RWD or 4WD transmission. The M21 & M22 is a Muncie engineering design, this transmission is aluminum case, extension housing and side cover. The side cover has seven bolts and two shift cams. The synchro rings have 35 teeth and the unit has a 4 step cluster gear. The reverse gears are helical cut and are located

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  • Converting to a M22 Rock Crusher | Team Camaro Tech
    Converting to a M22 Rock Crusher | Team Camaro Tech

    Jul 15, 2013 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

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  • Muncie Close Ratio - M-22 Rock Crusher Four Speed
    Muncie Close Ratio - M-22 Rock Crusher Four Speed

    Dec 08, 2021 Muncie Close Ratio - M-22 Rock Crusher Four Speed Transmission - ALL NEW PARTS. Report item. - opens in a new window or tab. Description. Shipping and payments. eBay item number: 123871668653. Seller assumes all responsibility for this listing

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  • Crusher Aggregate Equipment For Sale - 2199 Listings
    Crusher Aggregate Equipment For Sale - 2199 Listings

    2019 New McCloskey J40v2 Jaw Crusher CAT C7.1 Engine Track Mounted, Reversible Hydraulic Jaw Crusher Ideal for Rock Quarry, Gravel Pit or Concrete/Asphalt Recycling. Feed Opening 40 x 24 Crusher Speed 300 rpm Grizzly Feeder 12'-7 x 37'-4 Hopper Volume 7.4yd Stockpile Height Main C

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  • Using Mobile Rock-Crushing Equipment to Rehabilitate
    Using Mobile Rock-Crushing Equipment to Rehabilitate

    Using Mobile Rock-Crushing Equipment to Rehabilitate Unpaved Forest Road Surfaces: Recent Developments in Canada D.M. Bennett and Y. Provencher, Forest Engineering Research Institute of Canada New equipment is being developed in Canada to rehabil itate worn surfaces on unpaved low-volume forest roads

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  • Rockcrusher Revived Muncie 4 Speed
    Rockcrusher Revived Muncie 4 Speed

    Mar 16, 2007 M20-M21-M22 & New Design M22 Wide Ratio. New M21 In Case Overdrive. Repairs, Rebuilds. New & Used Parts . Bellhousings New Italian Made Gears (best aftermarket gears in the world) Complete Transmission's In Stock. Exchange Transmission's Available For Long Distance Customer's. Rob Barnett. Bradford Ontario. Canada. 905-775-5007. robbarnett

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  • Muncie Identification | The H.A.M.B
    Muncie Identification | The H.A.M.B

    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 design-feb. 28th, 1968, M20 or M21. Definitely not a rock crusher(no straight cut gears)

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  • Muncie m20 vs M21 | Hot Rod Forum
    Muncie m20 vs M21 | Hot Rod Forum

    Sep 09, 2014 By 1970 the output was larger ( like a Turbo 400 yoke) and had the fine spline (26) input shafts. two grooves = 2.52 wide ratio tranny while NO GROOVES = 2.20 1st gear ratio. This is known as the Rock Crusher M-22 and Grand Daddy of the Muncies

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  • Muncie 4 speed vs Saginaw 4 speed? | The H.A.M.B
    Muncie 4 speed vs Saginaw 4 speed? | The H.A.M.B

    Nov 08, 2016 I have an M-22 (confirmed when rebuilt) and a Saginaw and like them both. The rebuild parts for my rock crusher cost more than what I paid for the Saginaw. I like the Saginaw for everyday driving because it is quieter and as someone said earlier I

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  • M22 Rock Crusher Craigslist
    M22 Rock Crusher Craigslist

    Used Muncie Rock Crusher Transmission For Sale. M22 Rock Crusher Transmission For Sale Canada. Muncie m22 rock crusher 4 speed transmission 20181120 for sale muncie 4 speed close ratio m 22 rock crusher this is a a spare i had kept for my car that i am offering for sale muncie m22 ebay find great deals on ebay for muncie m22

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  • K & M Krusher - Rock/Ore Crusher 14" Drum 3" Infeed
    K & M Krusher - Rock/Ore Crusher 14" Drum 3" Infeed

    This new Rock Crusher from K&M Krushers. These crushers are the next generation of crushers. All of the critical parts are cut out with a CNC Laser cutter to insure everything is square and precise. The bolts & nuts that hold the hammers and mount your motors are schedule # 8 alloy. Your new K&M Krusher fea

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  • m-20, hOW MUCH hp WILL SHE TAKE | Page 2 | Hot Rod Forum
    m-20, hOW MUCH hp WILL SHE TAKE | Page 2 | Hot Rod Forum

    May 10, 2011 If you decide to loose the rock crusher you have now, and don't go with the B-W Super T-10, Look for a M-21 It's a good trans also.JMO I always had better luck with the B-W or Muncie trans myself. But have seen people run the dogs off with a Saginaw trans. Just never my case. JMO I passed on a M-22 last year wish i went ahead and got it now. Cole

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  • NEW Auto Gear Super Case Muncie M22 4-Speed Rock-Crusher
    NEW Auto Gear Super Case Muncie M22 4-Speed Rock-Crusher

    Recent Comments. Brad on GASSER MUNCIE SUPER DUTY M23 4-Speed. SPRING SALE ON NOW!!! glenn on Auto Gear Super Case M22Z Rock Crusher 4-speed. Perfect Performance with 2.73 to 3.42 Rear End Gears. SPRING SALE ON NOW!!! Joe Gio on Muncie Super Duty M23 Super Case 4-speed Road or Drag Racing Rock-Crusher. SPRING SALE ON NOW!!!

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