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 incorrect transmission, your car may not function properly. You can identify several unique signs that identify an ...
Read MoreA great Super Heavy Duty Rock Crusher M22 for your Camaro, Nova, Chevelle, Corvette or other GM car. Close Ratio = 2.20-1st, 1.64-2nd, 1.28-3rd, 4th direct. Wide Ratio = 2.56-1st, 1.75-2nd, 1.36-3rd, 4th direct Built for big HP. Lead time 4-6 weeks. 20% Cancelation Fee on special order. SPECIAL RUNS THIS WEEK. CALL JEFF (262)893-9812 for details.
Read More2021.6.9 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
Read MoreOrder Status. GM Muncie transmission rebuilt and guaranteed for 1 year. Correct fit for all 1967 - 1968 model Camaros. This one will have the studs coming out from the side where your shifter linkage mounts. This is the
Read More2022.1.25 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. We wanted to
Read MoreSUPER ROCK CRUSHER M22 650 HP. CALL for orders; NEW Direct replacement M22 ; For up to 650 HP power applications; 10 or 26 Input Spline; 27 or 32 output Spline; Speedo tooth count needed; Includes Richmond GL4 Gear Oil; No core charges; Z RATIO (1st-2.984, 2nd-2.043, 3rd-1.468, 4th-1.00) W RATIO (1st-2.559, 2nd-1.752, 3rd-1.366, 4th-1.00)
Read MoreComplete original GM Muncie transmission rebuilt and guaranteed for 1 year. Correct fit for all 1969 - 1973 model Chevelles and Novas. This one will have the holes on the side where a bolt will secure your shifter
Read More2022.1.25 The Muncie transmission is a bit outdated by today’s standards with no overdrive, but still holds a place in the restoration and sentimental value markets. Many people know about Muncie
Read More2024.4.24 Fodrea was the GM engineer whose name is listed on the design patent for the Muncie. Although he is seen with a 1957 Corvette, which came with a T10 4-speed, the design of the T10 and Muncie share
Read More2023.4.27 The M22 Rock Crusher 26-spline input shaft sports a wider gear for greater torque capacity. Just because you’ve found a 26-spline input shaft does not mean you’ve found an M22 input shaft, which is
Read More1969 - 1973 Muncie Four Speed Transmission M-22 Rockcrusher Complete original GM Muncie transmission rebuilt and guaranteed for 1 year. Correct fit for all 1969 - 1973 model Chevelles and Novas. This one will have the holes on the side where a bolt will secure your shifter linkage levers. This is the Muncie M-22 Rockcrusher four speed.
Read More2018.9.23 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.
Read More2016.7.29 1. The main case date code is usually found on the passenger side of the case just below the casting number. 2. The extension housing date code can usually be found on the passenger-side of the ...
Read More2021.6.9 To do so, it needed an even tougher gearbox than the M21, and while the Grand Sport never made it to Le Mans due to GM politics removing its brands from motorsports competition, the Bowtie brand was able to test the Muncie enough to develop a newer version that eventually hit the streets as the M22. The M22 'Rock Crusher'
Read MoreSTRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR Upgraded Ultra CASE With The Strongest M22w WIDE RATIO or Close Ratio Gears for a 4 SPEED TRANSMISSION. A GREAT HEAVY DUTY ROCKCRUSHER FOR YOUR CAMARO, NOVA, CHEVELLE, CORVETTE, GTO,442. THE MAIN CASE IS THE STRONGEST
Read More2022.4.24 Jim Mac. 12607 posts Joined 2004. #5 Apr 24, 2022. hopefully he meant that a m22/rock crusher was rarer installed in a car. jim. Jim. 70 chevelle, SS clone 454 4 speed 3.31 12 bolt posi. 71 camaro. (owned since 1978!) 454-th400 3.07 12 bolt. 66 chevelle 350 4 speed 3.55 12 bolt and a newly added 142 wieand blower.
Read MoreInput shafts differ in each GM transmission, so you can easily identify an M-22 “Rock Crusher by its input shaft count. Each transmission has different numbers of teeth. An M-22 “Rock Crusher” always has 26 teeth. Count
Read More1967 - 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. This one will have the studs
Read More2021.3.17 The 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 shift cams. The synchro rings have 35 teeth and the unit has a 4 step cluster gear. The reverse gears are helical cut and are
Read More2024.2.13 Muncie Close Ratio - M-22 Rock Crusher Four Speed Transmission - ALL NEW GEARS. naz130. (5093) 99.8% positive. Seller's other items. Contact seller.
Read MoreComplete automatic to muncie 4-speed conversion swap kits for GM cars available. GM 1963 to 1974 Automatic to Muncie 4-Speed Transmission Complete Conversion Swap Kit. SALE EXTENDED!!! Rated 5.00 out of 5. $ 5,399.00 $ 5,099.00 Add to cart. RACING Muncie Slick Shift Clutch-less Super Duty M23 Upgraded Ultra Case 4-speed Drag
Read MoreHowever, the Rock Crusher was only equipped in cars that had high-performance big blocks, including the Corvette, Camaro, Firebird and Chevelle. Thanks to the similarities between the M20, M21 and M22 transmissions, you can use a combination of Muncie 4-speed transmission parts to build the transmission you want for your project car.
Read More2024.4.23 This is the standard Muncie 4-speed case. It has a seven-digit serial number cast into the case on the passenger’s side. These are usually the first numbers used to start the identification process. This is Brian Higgins of the SK Tranny Shop. Shops like this are a great place to research castings and part numbers.
Read More2014.10.7 Giving a worn-out Muncie four-speed transmission a quick rebuild with parts from Summit Racing. ... M21, and Rock Crusher M22 models all part of the hot rod vernacular. From the OEM factories to ...
Read MoreThis a BRAND NEW SUPERCASE M22 Muncie Rockcrusher Style Transmission. 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. The mid plate is aircraft grade aluminum.
Read More2005.5.9 This bumbed me out since I had previously read that this was an indication that it was a Saginaw not a Muncie. It does have a 7 bolt side cover. Doe this mean it's still an M22 but just manufactured at the Saginaw assembly plant or it's not an M22 "Rock Crusher Transmission". I am just learning !
Read MoreThe 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 1963, but it wasn’t until 1965 that the M22 hit the market. The M22 was created for the Corvette Grand Sport racing program.
Read MoreSTRONGEST 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
Read MorePrice:$2,450.00. PART NUMBER:TRA-615. Description. 1967 - 1968 Muncie Four Speed Transmission M-22 RockcrusherComplete original GM Muncie transmission rebuilt and guaranteed for 1 year. Correct fit for all
Read MoreThe M22! This iconic transmission is based upon the infamous “ROCK CRUSHER” Transmission made famous in the 60`S AND 70`S by being installed in the L-88`S, BIG BLOCK 425 HP Factory Muscle Cars and HOT RODS of the past. The M22 has all new internal parts. All exterior parts are hand picked, visually inspected, painstakingly
Read More2023.3.31 M22 4 speed rock crusher. Jump to Latest Follow ... TX Chevelle so the P0C23C transmission assembly date and 3978766W0 tag fit. Put the transmission in 2nd gear and remove the side cover to view the helix angle of the gears and the condition of the synchro engagement teeth. Fair market value could be as much as $1500-1600 as a
Read MoreFor sale is a Beautiful Yellow 1957 Chevy 210 with a GM Crate 502 Big Block Motor with 502HP Hooked up to a 4 Speed Muncie Rock Crusher Transmission. Same owner for 30 years, This carisstored in a climate controlled Garage. This car only comes out of the garage on dry sunny days a few times a month to go tocar shows or for cruise nights.
Read More2023.2.8 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. MUCH better than my previous clutch slipping setup with 2.64x2.73=7.2. With 27" (255/60/15) tires highway rpm should be 2300@60, 2500@65 and 3000@78 - thats nice.
Read MoreChevy Transmissions: Muncie M22 “Rock Crusher 4 Speeds were made From 1965 TO 1974: The most popular transmission of it’s time for high performance cars built for Chevrolet and all performance oriented G.M cars. They have the same gear ratios as the legendary M21 but with a heavy duty gearset.
Read More1969-1974 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 = 2.20 first gear Rock Crusher M22. One example code would be ( P0E21 A ) which reads: Muncie four speed aluminum for passenger car, 1970, May, 21st, ratio M20. Just For You.
Read MoreTransmission and Rear Axle. The Chevelle SS 454 LS6 was available with 2 transmission options. The Muncie M22 (Rock Crusher) 4-speed manual and the 3-speed Turbo Hydramantic 400. A heavy-duty 12-bolt axle was standard with the buyer’s choice of 3.31 or 4.10 gears. M22 Gear Ratios.
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