The Gear Vendors electric overdrive allows for a 0.778:1-ratio multiplication of the final drive. This means a 4.10:1 rearend gear-ratio can be effectively changed to 3.19:1 gearing …
WhatsApp: +86 18221755073A great Super Heavy Duty 4-speed for your Camaro, Nova, Chevelle, Corvette or other GM car. Close Ratio = 2.20-1st, 1.64-2nd, 1.28-3rd, 4th direct. Wide …
WhatsApp: +86 182217550735 speed will give you the best of both worlds. I proved it to myself that the close ratio m21 or m22 is 2/10ths and 3mph difference. You want the 2.56 first gear, I have the m22 wide …
WhatsApp: +86 18221755073There are six generations of Muncie 4 Speeds. =1963 M20 & M21 10 Spline Input / 27 Spline Output and 7/8" Countershaft =1964-65 M20 & M21 10 Spline Input / 27 Spline Output and 7/8" …
WhatsApp: +86 18221755073Muncie also had a second close-ratio transmission called an M22, which enthusiasts christened Rockcrusher; this was used in performance big-block engines and …
WhatsApp: +86 18221755073The M20 is a wide ratio and was the standard GM 4 speed of the time. M21 (close ratio) and M22(close ratio heavy duty) were options M21 and M22 have the same ratios but the M22 has straighter cut gears to help prevent …
WhatsApp: +86 182217550731967 - 1968 Muncie 4 Speed Transmission, M-22 Rockcrusher Complete original GM Muncie transmission rebuilt and guaranteed for 1 year. Correct fit for all 1967 - 1968 model Camaros. …
WhatsApp: +86 18221755073Also lie is that M21 and M22 Muncie should be called a rock crusher.....The Rock crusher expression came from any 3 speed or 4 speed manual where ever other tooth was …
WhatsApp: +86 18221755073the old "Rock Crusher" was a "close ratio trans, the same as the M21... the new "wide" in a widfe ratio, similar to the M20 (ratio-wise)... Both version will have similar RPM …
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WhatsApp: +86 18221755073For example P7C05 will read: Muncie four speed aluminum for passenger car 1976, March, 5th. 1969-1974 codes include a suffix letter at the end to aid in identification of transmission ratios. A = 2.52 1st gear wide ratio M20, B=2.20 …
WhatsApp: +86 18221755073NEW, Complete 67 - 68 Camaro Muncie 4 Speed Conversion Kit now available! This kit will get you everything needed to convert a automatic 1969 Camaro into a four speed machine! ... M21 or M22 Rock Crusher transmission. With this new …
WhatsApp: +86 18221755073The Muncie four-speed is as legendary as the cars that it was put into, with the M20, M21, and Rock Crusher M22 models all part of the hot rod vernacular.
WhatsApp: +86 18221755073This 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 …
WhatsApp: +86 18221755073This makes the M20 much stronger than the Saginaw or T10. The 4-speed Muncie came in three versions. Both the wide-ratio M20 and close-ratio M21 debuted in 1963 in the Corvette. The …
WhatsApp: +86 18221755073You can outfit an M20 or M21 with Rock Crusher type gears, OR actually make a 3 speed O/D out of a 4 speed case. Forth being the overdrive obviously.. Kinda nice if you want the Muncie look and an overdrive.. Google …
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WhatsApp: +86 18221755073Muncie 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. ... This is an example of …
WhatsApp: +86 18221755073The Muncie M21 is a close-ratio unit originally designed to be matched with 4.11:1 or 4.56:1 GM 4 Series differentials. High performance cars now had a transmission that could handle its high power. A close-ratio gearbox keeps …
WhatsApp: +86 182217550734-SPEED MANUAL TRANSMISSION ASSEMBLIES, GEARS & PARTS APPLICATIONS: GENERAL MOTORS 1963-1974 GENERAL MOTORS (HIGH PERFORMANCE) AUTO GEAR …
WhatsApp: +86 18221755073It tells how to pick out what is what but the main thing to look for in a M-22 is the gear angle. Take off the side cover and look at the angle of the gears. M-20, m-21 will have 45 degrees gears and the m-22 is 22.5 degrees. …
WhatsApp: +86 18221755073NEW Auto Gear Upgraded Ultra Case Muncie Heavy Duty M20 or M21 4-Speed. Camaro, Corvette, Chevelle, Nova. Memorial Day SALE!!! ... Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4-speed. Perfect Performance with 2.73 to …
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WhatsApp: +86 18221755073The Muncie 4-speed transmission was used with many different GM models and engine combinations from 1963 through 1974. The basic design and operation theory of the gearbox changed little during this period, however several design …
WhatsApp: +86 18221755073Muncie 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 …
WhatsApp: +86 18221755073""You can outfit an M20 or M21 with Rock Crusher type gears, OR actually make a 3 speed O/D out of a 4 speed case. Forth being the overdrive obviously.. Kinda nice if you want the Muncie look and an overdrive"" Actually …
WhatsApp: +86 18221755073Borg Warner First Design T-10 4-Speed The Borg-Warner T-10 debuted in 1957 in the Chevrolet Corvette and eventually saw use in full size Chevrolets, Buicks, Oldsmobiles, …
WhatsApp: +86 18221755073NEW, Complete 69 Camaro Muncie 4 Speed Conversion Kit now available! This kit will get you everything needed to convert a automatic 1969 Camaro into a four speed machine! ... M21 or …
WhatsApp: +86 18221755073The 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 …
WhatsApp: +86 18221755073Was wondering how difficult would it be to replace the old 3 speed manual trans for a m21 or m22 To go behind a 350? WHich trans would be better the m21 or m22 THANX jason …
WhatsApp: +86 18221755073Because M21 is just a code, later Corvettes or other 4-speed cars didn't have Muncies; those equipped with a Super T10 4-speed could have an M21 or an M20 code. Window and tank sticker resources reveal that there was never an M21 …
WhatsApp: +86 18221755073M-37 "Super Muncie" or "rock crusher" Several ratios available, large input shaft (1 1/4, like "Hemi" 4-speed and "big" Top Loader), spur-cut 1st gear (increased load "shock" …
WhatsApp: +86 18221755073NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00. No Price Muncie Overhaul Kit. Complete overhaul kit for Muncie 4 speed transmissions. ... M21 & M22 transmissions, 1963 …
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WhatsApp: +86 18221755073The 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 …
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