The Muncie 4 speed was created in response to the engine power levels in GM vehicles exceeding the limits of an earlier transmission, the Borg Warner T-10 4 speed Although the Muncie 4 speed found it easier to handle engine's growing power, its design borrowed from that of the T-10 it was replacing and even used the same basic layout
Mar 30, 2009· ""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 the 3rd gear station becomes the OD and the 4th gear station becomes 3rd,so the shift pattern is a little weird,1-2-4-3
The 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 upgrades and modifications were made during the total production run
& 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 Muncie case (3831704) replaced the T10 4-speed in the 1963 Chevrolet Bel Air and Corvette by mid-May of that year The T10 front bearing size was reduced in diameter in 1963 only This meant that the transmission’s front bearing retainer and register bore ,
Performance Built Muncie M22 Rock Crusher 4 Speed Transmission This unit has been rebuilt at our state of the art facility We have carefully engineered a process that allows us to bring you a product we can stand behind This is a direct replacement for the following Chevrolet ,Oldsmobile, Buick, and Pontiac vehicl Compatible Vehicles .
The Mighty & Majestic Muncie 4 Speed Transmission - Wilson ,
Ironically, the Muncie was designed based of of the T-10 using its same basic layout The Muncie 4 Speed came in 3 basic models, the M-20, M-21 & M-22 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 256:1 first gear
Rock Crusher was the nickname given to the Muncie 4-speed transmission The sounds the gears produce as they engage sound like crushing rocks, and allow the car to sound like it has a blower drive The straight angle on the gearset puts off less heat and it allows the vehicle to get up and go Not every car in the 1960s had a Muncie 4-speed .
Muncie M-22 - Rock Crusher Four Speed Transmission - All ,
MUNCIE M-22 - Rock Crusher Four Speed Transmission - All New Internal Parts - $1,79500 For sale is a Factory Replica of the Close Ratio Muncie Rock Crusher Four Speed Transmission typically used in High Performance 1969 to 1974 Corvette`s, Camaros, Chevelles, Nova`s, El Camino`s, Impala`s, Oldsmobiles and Pontiacs This transmission has been upgraded with an Auto Gear Billet Aluminum ,
Muncie Transmission for sale | Only 4 left at -65%
1971 muncie m22 rock crusher 4 speed transmission c code 220 1st gear original Sold at 2695 $ 1971 muncie m22 4 speed, original m22 with authentic c code case, original gm gears in excellent condition, 3925661 main case, correct 3952648 side cover, 3978764 tail housing, 26/32 splines, original gm replated fasteners, new parts:.
1964 to 1968 Muncie 4-speed transmissions can be identified from later models by the way the transmission arms attach Early Muncie side covers had a stud and the shift arm attached with a nut on the stud while the 1969 and later model side covers had a hole and the shift arms attached with a bolt
Jun 13, 2017· The Muncie four speed was produced in two ratios: the wide ratio (M20) and the close-ratio (M21) That being said, there was a second, close-ratio version (M22) that was developed to survive duty behind engines with a higher torque output, and was known as the “Rock Crusher” This version was offered in high performance big-block cars .
New M22 Muncie 4 speed | Auto Parts Sale | Tri-Cities, TN ,
Muncie M22 4 Speed Rock Crusher Auto Gear all NEW but the Side cover 388468 with 9 pound spring call price is firm , 1984 F-150 with 351 Cleveland, 9in rear, 411gears, M22 - Muncie Trans - $3700 (Coal Twp)" 351 Cleveland " This truck runs well and drives nicely Its ugly but mechanically everything you want in a fast truck
Chevy 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 GM cars They have the same gear ratios as the legendary M21 but with a heavy duty gearset
Muncie 4 Speed Parts and Upgrades Italian gears, SuperCase and more; , Welcome to the online home of Auto Gear Equipment Motorsports, where the last company actively designing and improving four-speed manually-shifted gearboxes reveals all , Motorsports Support Center
rock crusher 4 speed amjstationery M22 Rock Crusher eBay Rock Crusher was the nickname given to the Muncie 4 speed transmission The sounds the gears produce as they engage sound like crushing rocks, and allow the car to sound like it has a blower drive Get Price M 22 Official Site NEW DESIGN MUNCIE M22 ROCK CRUSHER CLOSE RATIO 4 SPEED
NEW, 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! You have a choice of a original rebuilt GM Muncie M20, M21 or M22 Rock Crusher
People think all Muncie four-speeds are Rock Crushers, but they’re not Nowadays there are custom gear ratios and set ups, including M21 wide-ratio and M22 wide-ratio units You can pretty much get what you want Beefed up boxes for hot rods and Resto-Mods are popular, too “ When rebuilding a Muncie four-speed you can take a ’65 case and .
Sep 23, 2018· The 256:1 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 ,
How to Identify a M22 Rock Crusher | It Still Runs
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 .
Muncie 4-Speed: The Complete History To understand the evolution of the Muncie 4-speed you have to look at a series of engineering platforms that led to the final design of this transmission The Muncie design has roots going back to 1935 I took the time to research the patent number that is cast into most Muncie main cas
Muncie 4 speed transmissions were used in General Motors cars from 1963 to early 1975 These gear boxes were used when power levels exceeded the limits of the early Borg Warner T10 4 speed It was actually based on the T-10 design and uses the same basic gear layout , Muncie 4 Speeds the “Rock Crusher .