Muncie M22 Rock Crusher Is The Rarest 1960s Muscle Car Transmission ... The key difference between the Muncie M20 and M21 gearboxes was that the M20 was the wide-ratio model, while the M21 was the ...
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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 Crusher Initially there were two specific Muncie transmissions available: the M20 wide-ratio (2.56:1 first gear) and the M21 close-ratio (2.20:1 first gear). The latter ...
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Be the first to review "Muncie M22 Rock Crusher Second Gear" Cancel reply. ... Muncie M21 2.20 Close Ratio Cluster Gear 1″ ... Muncie M20 Wide Ratio First Gear $ 126.00 – $ 150.00 Select options This product has multiple variants. …
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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 SUPER ROCK CRUSHER 4 speed $2899.00. View Images. Price: No Price: Sale Price: No Price: ... (CLOSE RATIO OR WIDE RATIO AND ULTRA WIDE RATIO) (10 OR 26 SPLINE INPUT) …
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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. ... 1968-69 Muncie 4 speed transmission Wide Ratio M-20 Nova Camaro Chevelle ...
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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 when a car was ordered: the M20 (standard wide-ratio), M21 (close-ratio), and M22 (heavy-duty close-ratio). (The M does not stand for "Muncie.")
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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. Depending upon the rear axle ratio, Chevrolet supplied either the M20 wide ratio or M21 close ratio transmission at their discretion.
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For 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 1st gear close ratio M21, C …
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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. First gear 2.98x3.08 rear yields 9.2 in first.
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See more 1968 Muncie M22 4 Speed Transmission Wide Rati... Share. Check the item description to confirm this fits your vehicle. Picture 1 of 10 ... Have one to sell? Sell now. Muncie Close Ratio - M-22 Rock Crusher Four Speed Transmission - ALL NEW GEARS. naz130 (5385) 99.7% positive; Seller's other items Seller's other items; Contact seller ...
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Information Exchange. Bench Racing. M-22 "rock crusher"
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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 was used, beginning in 1970. …
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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 have any input? Buzznut, Jun 26, 2008. ... I …
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Depending on engine/rear gear ratio, the car was delivered with either a wide ratio or close ratio Muncie. The option was still M20 for the 4sp. ... C 2.20:1 Rock Crusher Reply. 0 Mar 22, 2010 | 01:28 PM Share #15 1snake. Le Mans Master ...
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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 included — price is for transmission only – but does include a "steel thrust button" upgrade — ask us ! these are brand new factory assembled muncie transmissions with heavy duty "ultra" case ...
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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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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. It is the heavy-duty version of the 2.20:1 ratio ...
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Find many great new & used options and get the best deals for Muncie M22 4 Speed Wide Ratio Gear Set 26 Spline Gk-m22w-26 at the best online prices at eBay! Free shipping for many products! ... item 8 Muncie M22 Gear Set 2.20 Ratio Rock Crusher 10 Spline Input Fits M20 M21 4 Speed Muncie M22 Gear Set 2.20 Ratio Rock Crusher 10 Spline Input Fits ...
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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 online prices at eBay! Free shipping for many products! Skip to main content ... 1972 Muncie M22 Rock Crusher 4 Speed Transmission ORIGINAL C CODE (#267075875534) y***r (109) - Feedback ...
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Home / 4 Speed / Super Pro Road/Race Muncie Upgraded Ultra Case M22 Rock-Crusher. 2025 Spring SALE!!! Rated 5.00 out of 5 based on 2 customer ratings ... M22W Wide Ratio 2.56-1st, 1.75-2nd, 1.36-3rd, 1;1-4th. Main drive oil seal only with …
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Be the first to review "Muncie M20 Wide Ratio Second Gear" Cancel reply. ... Related products. Muncie M22 Rock Crusher Third Gear $ 112.00 Add to cart; Muncie M22 Rock Crusher Input 26 Spline $ 175.00 – $ 185.00 Select options This product has multiple variants. The options may be chosen on the product page Muncie M20/M21/M22 Rear Reverse ...
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Muncie (General Motors) 4-speed longitudinal transmissions were developed in three distinct models – The Muncie M20 wide ratio manual transmission, the Muncie M21 close ratio manual transmission and the Muncie M22 heavy-duty close ratio manual transmission. ... The M22 "Rock Crusher" followed four years later. It uses stronger components ...
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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 GM high-performance engines came with M-22 "Rock-Crusher" in the 1970-73 years, however an early version of the M-22 was available as early as 1965 ...
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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 were first offered in 1963. The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet's big-blocks in the mid-1960s.
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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 shipping for many products! ... item 4 Muncie Close Ratio M-22 Rock Crusher Four Speed Transmission NOW WITH NEW CASE Muncie Close Ratio M-22 Rock Crusher Four Speed ...
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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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P= Muncie 9= 1969 B= Feb 25= 25th day A= M/20 wide ratio It's not documented as to why "P" stands for Muncie. But it does. Hope this helps. ... You're right about the guy being way off. Guys always say they've got a rock crusher when they are refering to any Muncie, there are big differences as we know. The M20 is a great trans though. It is ...
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Physical Characteristics: Inspect the transmission housing – differences can be spotted between the Muncie models based on the bolt patterns and overall design. Common Codes. M20: Wide ratio, mainly used in regular driving. M21: Close ratio, for high performance. M22: Known as the "Rock Crusher", designed for high-torque applications.
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IMHO save the close ratio gearsets of the M22 for use ahead of 3.73:1 and larger ratio rear ends, and FWIW I wouldn't go smaller than a 3.36:1 rear gear even with a wide ratio Muncie box. Forget the Muncie OD, unless it's going in your pickup truck. BTW, you can now buy high-quality M22 "rock crusher" style wide ratio gearsets!
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Muncie M22 4 Speed Transmission, rock crusher heavy duty with all new gears, close ratio 2.20 1st gear, remanufactured with attention to detail and professional assembly, the case was cleaned and blueprinted to OEM specifications, 1" counter bore with proper leak free interference fit, new gears, synchronizers, bearing retainer, major overhaul kit, 10 spline input …
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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 …
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Muncie 4 Speed Rebuild Kit 1″ w/26-32 Spline $ 219.00 Add to cart; Muncie M22 Rock Crusher Second Gear $ 115.00 Add to cart; Muncie M20 Wide Ratio Second Gear $ 120.00 Add to cart; Muncie M20/M21/M22 Reverse Idler Shaft $ 43.00 Add to cart
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Muncie M22 Rock Crusher First Gear ... Muncie M20/M21/M22 Rear Reverse Idler Gear $ 59.00 Add to cart; Muncie M20 Wide Ratio Input 10 Spline $ 145.00 – $ 179.00 Select options This product has multiple variants. The options may be chosen on …
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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 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 ...
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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 was used, beginning in 1970. The M23 is recognized by a 26-spline(fine) input shaft and a large output shaft that requires a T-400 driveshaft yoke. ...
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