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Ratios of the M20, M21, M22. Muncie 4-speeds were produced in two different ratios wide-ratio (M-20) and close-ratio (M-21). An extra heavy duty close-ratio version (M-22) was also offered …
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Some of the best Muncie builders participate on that page. Muncie RPO Codes . Just three types of Muncie 4-speeds are available based on the RPO (regular production option) code used …
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im looking forward to the classic m22 whine with the new Auto Gear Muncie (ultra wide ratio) M22Z. It has 2.98/2.04/1.46/1 ratios. ... Muncie Super Duty M23 Upgraded Ultra …
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description new muncie m22-z 4 speed ultra wide ratio interstate / economy – yes! – a rock crusher !! no !! the engine / bellhousing / shifter / etc shown in the pictures here are not …
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The former is a wide-ratio gearbox with a gear set that has a 1st gear ratio of 2.52:1 and a 4th gear ratio of 1.91:1, which is more appropriate for street automobiles. Meanwhile, the …
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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. Another misconception is if you have a drain plug you have a M22.
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wide ratio muncie rock crusher gears. 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 …
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The most well known Muncie transmissions are the M20(wide ratio), M21(close ratio), and the M22(rock crusher). Although not mentioned much, there was also an M23 transmission that …
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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 …
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This is a 661 case which is the last of the 3 style cases made dated Feb. 1, 1971 and a ratio of C for M-22 2:20 ratio Rock crusher, however these gears are not Rock crusher …
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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 …
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The Muncie M20 was a wide-ratio transmission and was intended for basic street drive-ability and basically for cruising your car . The first models had a 2.56:1 first gear. The later 1966-1974 units had a 2.52:1 first gear. They are compatible …
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Auto Gear Upgraded Ultra Case M22 Rock Crusher 4-speed. Perfect Performance Replacement. Camaro, Corvette, Nova, Chevelle, GTO, 442. ... New Auto Gear Super Case Muncie HD M22 …
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Find many great new & used options and get the best deals for Muncie M22 4 Speed Transmission Wide Ratio With New Rock Crusher Gears RESTORED at the best …
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M-20 wide ratio 63-65 M-20 wide ratio 66-70 . M-20 wide ratio 71-74 . M-21 close ratio 63-65 . M-21 close ratio 66-70 . M-21 close ratio 71-74 . ... P7A14- Muncie 1967, Jan 14) Muncies …
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The reproduction trannys are available in all of the original Muncie gear ratio versions, including the Heavy Duty M-22 version. Since the original M-22 was ONLY available …
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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 …
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STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR ULTRA CASE With The Strongest M22z ULTRAWIDE RATIO 4 SPEED TRANSMISSION. A GREAT HEAVY DUTY ROCKCRUSHER FOR YOUR …
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GM's goal with the Muncie four-speed was to produce a better shift employing larger synchro cones. He tells us both the M20 wide-ratio and M21 close-ratio transmissions …
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Find many great new & used options and get the best deals for Chevy GM Muncie M22 Rock Crusher Wide Ratio 4 Speed Transmission 26 Spline at the best online prices at eBay! Free …
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M22w WIDE RATIO or Close Ratio Gears for a 4 SPEED TRANSMISSION. A GREAT HEAVY DUTY ROCK-CRUSHER FOR YOUR CAMARO, NOVA, CHEVELLE, CORVETTE, GTO,442. …
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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, 1966-74. Includes 1st gear, 2nd gear, 3rd gear, cluster, input/4th, & front idler gear.
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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. ... NEW Muncie M22 …
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THIS IS OUR Complete M22 gear train for the Muncie 4 Speed available in 26 or 10 clutch spline input. This kit will replace original M20 / M21 or M22 sets. You receive what you see, input, …
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On this document the 4 speed transmission option code listed the transmission as an M20. In 1965, all 4 speeds were ordered initially by the M20 4 speed designation. …
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ORIGINALLY, in the beginning of the Muncie evolution, there was the M20(wide ratio) and the M21(close ratio). ... rock crusher muncie and a 12 bolt posi that they would shift from first to second around 60 mph. jim . Jim 70 …
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So we all know the Muncie M20 is the wide ratio and the M21 is the close ratio, and the M22 is the M21 but with super duty parts that were loud and was nicknamed the …
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NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00. No Price Muncie Overhaul Kit. ... New Muncie M20 2.52 Wide Ratio OR M21 2.20 close ratio gear set. M20 gearset also …
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All wide ratio transmissions are designated M20 and close ratio transmissions are designated M21 or M22 depending on the gear set. ... thus the nickname "Rock Crusher" was born. Another misconception is if you have a drain plug you …
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STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR ULTRA CASE With The Strongest M22z WIDE OR CLOSE RATIO 4 SPEED TRANSMISSION. A GREAT HEAVY …
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The Muncie transmission and the T10 are visibly very similar, but it's the differences that would make GM's newcomer an enduring force for muscle fans. ... Wide, Close, or Rock …
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M23 CLOSE RATIO, m23w WIDE RATIO AND m23z RATIO. GEAR POLISHING $150. MANY DIFFERENT RATIOS AVAILABLE. CALL JEFF FOR ALL THE DETAILS TO THIS SUPER SERVE DUTY M23. Quantity. ... New Auto Gear …
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I know that the M22 was supposedly stronger than the M21 and that the close ratio rock crusher was supposed to the the beefiest, but not sure why or if this is even true. Anyone …
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Home / 4 Speed / Super Pro Road/Race Muncie Upgraded Ultra Case M22 Rock-Crusher. Summer Finally SALE!! Rated 5.00 out of 5 based on 2 customer ratings ... M22W Wide Ratio …
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Last time we talked about how to distinguish a Muncie four-speed transmission from a Saginaw or BorgWarner and the different types of Muncie transmissions, including the wide …
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description new muncie m23-z 4 speed transmission severe duty – ultra-wide ratio – street or strip – rock crusher !! no !! the engine / bellhousing / shifter / etc shown are for display purposes — …
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This page is dedicated to MUNCIE 4 Speed parts, gears and Main Cases for production from 1963 to 1974. ... MUNCIE M22 "ROCK CRUSHER" 4 SPEED GEARS: ... Ratios. Our 4GTC …
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New Muncie M22 2.20 close ratio or 2.52 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 …
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The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet's big-blocks in the mid-1960s. The M20 and M21 transmissions produced from 1963-'74 are easy to identify in both wide- and …
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Axle ratios of 3.73 and lower (numerically higher) came with close-ratio transmissions, while axle ratios of 3.55 and higher (numerically lower) used wide-ratio transmissions. In addition, many …
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