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the m21 close-ratio, and the m22 rock crusher close-ratio. the wide-ratio m20 is fitted with either a 2.52 or 2.56 first gear, ,hot rod forum - hotrodders.communcie m22 rock crusher 4 speed,the m22 is what they called the 'rockcrusher' right? spur-cut 1st gear (increased load 'shock' capability, makes a horrid 'whine', :confused: i do not claim to be a transmission expert and could be wrong but the 'real' rock crushers had straight cut gears.not helical cut
check the casting number, the production year and the gear ratios on the aluminum serial number plate attached to the transmission box. every gm rock crusher ,muncie 4 speed rock crusher gear ratio,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.
id take a wide ratio anyday over a close ratio. i use the m-20 muncie. a lower first gear for a radical cam would be better drivablility if ,m22 rock crusher for sale,jul 14, 2018 mystery muncie first gear noise eliminated. for sale is a factory replica of the close ratio muncie rock crusher four speed transmission
ratio 3rd gear, 27 tooth, does not fit the m22 rock crusher transmissions m22 close ratio gear kit, includes input shaft, cluster gear, 1st gear, ,chevy speed rock crusher manual transmission codes,get more info m22 rock crusher first gear id muncie rock crusher code numder the first is a main case casting muncie transmission id convert muncie .
the m22's gears were cut at a different angle than the m20/m21. in 1966, the m-22 rock crusher transmission was available only with the ,when was the m22 first called 'rock crusher'?,we always called them rock crushers because we could shift second threw fourth gear with out the clutch. and can't the same be done with an
i currently have an m22 rock crusher in my '56 chevy pickup, you could also run the deeper first gear m20 wide ratio with a higher rear ,camaro research group,first-generation camaro research and restoration data. c = 2.20:1 hd close ratio (m22), aka 'rockcrusher'. the transmission code is normally located on
this a brand new supercase m22 muncie rockcrusher style transmission. m22 rock crusher first gear id jonathan-eloot.be. muncie m22 rock crusher 4 speeds ,muncie m22 gear set 2.20 ratio rock crusher 10 spline ,modified item: no. specs: cluster 27-22-19-17 1st gear 36, custom bundle: no. gear count: 4, core charge: none. placement on vehicle: transmission, lower
67-68 m-22 input shaft = 0 grooves with coarse 10 spline count. 2.20 first gear 27 spline tail shaft note: this transmission is shipped factory direct.,4 speed munci ston crusher tranny,the m22 was the 'rock-crusher', so named because of the it came out of a camaro, had the 2:88 first gear ratio i wanted and was in good
with the m22 being only a close ratio in 1966, and not mating up well with the standard 3:31 gears, what gears are in your 66? or if they have ,m-22 rock crusher four speed ,for sale is a factory replica of the m22 1968-74 close ratio muncie rock crusher four speed transmission mystery muncie first gear noise eliminated.
the gears inside were the only difference between m20, m21, m22. and by the way if it's an m22 i think it has the 2.20 first gear which ,m22 rock crusher identification,muncie 4-speed: the complete history - chevy diy the m22 first gear has an angle of 14.5 degrees and the input shaft is 24.2 degrees. the standard first-gear
muncie m22 rock crusher identification. a transmission can either whine enjoyably in first gear, as did the muncie m22 'rock crusher,' or produce a ,muncie m22 4 speed gear set close ratio rock crusher ,new m22 gear set. close ratio. rock crusher. this gear set has all 3 speed gears, 1st, 2nd, & 3rd, the cluster, input and the reverse idler gear.