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Chevrolet Muncie Transmission Parts M20, M21, M22. 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.
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.
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 quot;Auto Gearquot;.
Transmissions are an essential part of hot rod builds. One of the most common swaps involves a Muncie 4 speed. These are easy to adapt to a wide range of hot rods. There are three basic types of Muncies M20, M21 and M22. A Muncie differs from a Saginaw transmission in that its reverse lever is in the tail housing, not the side cover.
The early production Muncie four speed case is the small bore unit and can be identified by the GM casting number 3831704 (see Muncie M20/M21/M22 Main Case Identification chart).
Muncie 4 speed Transmission parts,Gears,Bearing kits,Synchro rings and more The Muncie 4 speed,was first designed in 1963,and lasted until 1974. There are 2 basic ratios,close and wide.
GENEA MOTOS MUNCIE 4SEED Regarding the calendar years of application (gearboxes rarely follow model years), Muncie 4 speeds were manufactured by Chevrolet in their Muncie, Indiana manual transmission plant; design changes usually found their way into the fastest moving Chevrolet product lines first. For this reason years
Michael OBrien on NEW Auto Gear Super Case Muncie M22 4 Speed Rock Crusher 26/32spl Street/Strip. ON SALE HOLIDAY SPECIAL THIS WEEK $400 discount Michael OBrien on Auto Gear Super Case Muncie M22 4 Speed Rock Crusher, Camaro 4 speed 10/26 or 26/27spl. ON SALE
Muncies with 26 spline inputs and 32 spline output shafts came as M20, M21, and M22 transmissions. Before 1969, only M22 transmissions had drain plugs. From 1969 to 1974 all ratio Muncies came with drain plugs. Muncie countergears had the same number of teeth on first , second ,
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 quot;Auto Gearquot;.
Muncie also had a second close ratio transmission called an M22, which enthusiasts christened Rockcrusher; this was used in performance big block engines and Corvettes and is a highly sought after performance transmission today, and is the heavy duty version of the 2.20 ratio M21 4 speed.
Muncie also had a second close ratio transmission designated M22 and often referred to as the quot;rock crusher,quot; which was used behind the highest performance engines and in Corvettes, the M22 is a highly sought after performance transmission.
MIDWEST MUNCIE Specializes in ONLY MUNCIE 4 SPEEDS unlike any other transmission builder and has been specializing in restoration and building of Muncie 4
M20 m21 m22 muncie transmission seal and gasket. quot;Goods are typically shipped within one working day, on receipt of cleared fundsquot; See complete description Notify me before the end of the auction
**Muncie data shows 1968 and 1969 M22 received maincase 3925661. All documented M22 transmissions have the 3925660 maincase. All documented M22 transmissions have the 3925660 maincase. It's unclear as to why this discrepancy exists.
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.
(1) All M22 applications except 454 engine. (2) All 454 Chevelle applications. The M22 was produced in 1973 and 1974 for other GM divisions. All wide ratio transmissions are designated M20 and close ratio transmissions are designated M21 or M22 depending on the gear set.
The letter M was used to ID the Muncie plant for the Muncie 3 speed, so P was the next logical letter. The letter O would add confusion since it resembles zero. The serial number is a date code the transmission was built for a particular year.
Another way to confirm that the transmission is original to your car is most Muncie four speed transmissions will have a Vehicle Identification Number (VIN) number stamped on the main case.
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.
Top countergear is an M22. Lower gear is an M20. Notice the different helix angles of the gears.
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