It 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. They used this to reduce friction and in turn gave it a nice greary noise thus the rock crusher. Chris
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This is a BEEFY version of the original Rock Crusher transmission. Most all the weak points of an original Muncie have been solved by the Super-Case design. The Supercase has extra casting in all the known weak areas. ... 69 - 70 …
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GM Muncie transmission rebuilt and guaranteed for 1 year. Correct fit for all 1967 - 1968 model Chevelles and Novas. This one will have the studs coming out from the side where your shifter linkage mounts. This is the Muncie M-22 Rockcrusher four speed. Designed for the highest performance models.
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"Spending" 3000$ on a bolt on, period correct, grin inducing almighty and mythical transmission that is the great Muncie M22 Rock Crusher makes more sense for many compared to buying a retrofit kitted TKX for 5 000$....especially if like many of us you end up doing less than 3k miles a year in your classic. Peter
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The 1971 transmissions were the same as from previous year, except that the M-21 close-ratio 4-speed transmission was replaced with a stronger version of the Muncie close-ratio gearbox the famous M-22 "Rock Crusher" 4-speed. It was the strongest 4-speed manual ever installed in a GTO.
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Across the top of the page are the words "First Build 4/15/65 – 1st Shipment 4/19/65, recap of M22 (Rock Crusher) Trans." By comparing these M22 transmission …
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You will be bidding on a COMPLETELY rebuilt M-22 4-speed transmission, for Chevrolet, Corvette, Nova, Chevelle, Pontiac or Camaro. First gear ratio is 2.20 to 1, 2nd gear is 1.64 to 1, 3rd gear is 1.28 and 4th is 1 to 1. It has a 26-spline …
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The M22 'Rock Crusher' featured a one-inch countershaft pin bore and shot-peened gears with aggressive helix angles that reduced heat and stress but also increased noise, leading to the nickname as the transmissions rattled their way down the road.
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The final main case casting of 3925661 was introduced, but there are huge overlaps in date codes. This means a transmission could be assembled in April with a 3925661 case and then in July with a 3925660 case. The introduction of the transmission controlled spark (TCS) switch on the Muncie sidecover seemed to appear in 1970.
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It was much easier to stockpile Muncie spare parts and cores in the 1970s than it is today. Reliable sources to validate information regarding serial and casting numbers will get scarcer as time passes. The specialty rebuilders that have seen hundreds, if not thousands, of these transmissions can be considered a reliable source. These guys […]
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The term "rock crusher" refers to the noise made by the meshing of the stronger helical gears in the M22. Later model 1971-'74 Muncies are also popular with racers, because these transmissions used a 32-spline output that is stronger than the early 27-spline, and the newer units seem to perform better in high-rpm and high-horsepower ...
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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.
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Muncie M-22 Rock Crusher Four Speed Transmission - RARE Drivers Side Speedo (#1) See all feedback. Product ratings and reviews. Learn more. 4.8. 11 product ratings. 5. 10 users rated this 5 out of 5 stars. 10. 4. …
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Muncie Close Ratio - M-22 Rock Crusher Four Speed Transmission - ALL NEW GEARS. Opens in a new window or tab. Remanufactured. 5.0 out of 5 stars. 11 product ratings - Muncie Close Ratio - M-22 Rock Crusher Four Speed Transmission - ALL NEW GEARS. $2,695.00. Buy It Now +$110.00 shipping. Last one.
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1967 - 1968 Firebird Muncie Four Speed Transmission, M-22 Rockcrusher Complete original GM Muncie transmission rebuilt and guaranteed for 1 year. Works great for all 1967 - 1968 model Firebirds. This one will have the studs coming out from the side where your shifter linkage mounts. This is the Muncie M-22 Rockcrusher four speed.
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A lot of people think all Muncie's are rock crushers, but the M-22 is the one and only. You are buying 1968-69 Rebuilt 3925660 Muncie close ratio complete bolt in and go M-22 Rock Crusher 4 speed transmission set up A complete quality rebuild kit was used.
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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 CAMARO, NOVA, CHEVELLE, CORVETTE, GTO,442. THE MAIN CASE IS THE STRONGEST MADE with fill and drain plugs. C355 Forged Aluminum Mid …
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The M22 was eventually dubbed the "Rock Crusher". It is a common misconception that all Muncie transmissions are "Rock Crushers", but it is only the M22 that deserves that name. The M20 and M21 were both release in …
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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 …
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Can someone tell me how much a muncie m22 rock crusher is worth this transmission was produced buy gm in 1966&1967 . Thurston Vann. ... M-20 and M-21 have 45 degree gears and M-22 have 22.5 degree gears. Fresh M-22s are going for $1300-$1600 . Impala Chevelle Monte Carlo Camaro.
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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 …
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Each new SuperCase transmission is built from the highest quality available. Includes all the goodies: SuperCase, gear ratio choice, heavy-duty set with a oilite bushed side cover. Ready to be filled, install and it's available at a great price. …
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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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We also offer muncie rebuild kits, racing parts and m22 rock crusher transmissions. Home of the world's best 4 speed muncie transmissions and parts. We also offer muncie rebuild kits, racing parts and m22 rock crusher …
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This is a BEEFY version of the original Rock Crusher transmission. Most all the weak points of an original Muncie have been solved by the Super-Case design. The Supercase has extra casting in all the known weak areas. ... 69 - 70 models M-22 ~ Input Shaft = Coarse 10 Spline with 27 Spline Tail 71 - 73 models M-22 ~ Input Shaft = Fine 26 Spline ...
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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 …
WhatsApp: +86 18221755073
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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Rock Crusher M-22 Transmission. The transmission functions like a brand new transmission! It was shipped in a sturdy crate. Seller installed a new pencil gear to match the rear end ratio and tire height for free. Very happy with …
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We have a large inventory of rebuilt M21 & M22 Manual Transmissions plus transmission parts. Our factory rebuilt re-manufactured transmissions are dyno tested before leaving the factory, ensuring the highest …
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Many people know about Muncie transmissions and the famous M22 "rock crusher" transmission that has straighter cut gears that allows you to bang the gears without pushing in the clutch. ... M22 Rock Crusher: 27/22/19/17: Muncie Build Date Codes. From 1963-'66: Characters: Description (i.e., Date Code P0525) 1:
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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 …
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