M20 Rockcrusher Transmission

Muncie four-speeds - What to look for: hunting down G

The Muncie four-speeds are a very popular transmission with Chevrolet muscle car enthusiasts, and are easily adaptable for a wide range of GM and other non-GM vehicles They debuted in 1963 Chevrolet full-size cars and Corvettes, and they were originally available in two ratios, 220:1 and 256:1

The 1965 Chevrolet M22 Rockcrusher Transmission: The

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

Muncie 4 Speed Transmissions - 5Speeds Transmission Home Page

It was primarily designed as a road race transmission The straighter angle of the gearset produced less heat and less end loading of the gear train they still produced a fair amount of gear noise thus the "Rockcrusher" name These 4 speeds sound like a blower drive Lower gear is an M20 Notice the different helix angles of the gears

Chevy Transmissions: Muncie 4 Speed M22 Rockcrusher

Although the gears are not spur gears ( completely straight ) they still produced a fair amount of gear noise thus the “Rockcrusher” name These 4 speeds sound like a blower drive whining When I owned a 1966 Corvette with the Rat Motor it came with a m22 transmission

M22 Rock Crusher | eBay

Original GM Lisle M22 rockcrusher transmission magnetic drain plugs Strong magnets, but a little rounded on the edges Fits 1965 - 1974 Chevy, Pontiac, Buick, Olds Muncie M22 Rockcrusher 4 speed close ratio gearset gear set M20 Transmission About M22 Rock Crusher

rockcrusher m muncie - perkinspreschool

Oct 03, 2018 · So you've decided to slam four with a GM Muncie Transmission Feb 16, 2018 So for many years 4 speed Muncie was a big selling point in the It's nickname is the rock crusher due to the noise generated by the gearset

How to Identify a Muncie Four Speed: Build Date Codes

Last time we talked about how to distinguish a Muncie four-speed transmission from a Saginaw or BorgWarner and the different types of Muncie transmissions, including the wide-ratio M20, the close

M-22 - Official Site

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 "BEST" replacement aluminum case ever built for a Muncie! The front bearing is a "SEALED" bearing, and slightly thicker than the original Muncie's, and tons STRONGER

M23 'RockCrusher, Best 4 speed trans, Chevy and GM - YouTube

Jul 26, 2017 · M23 'RockCrusher, Best 4 speed trans, Chevy and GM A lot of people may not be aware of this, because it's not advertised much Most people that have an old m

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

SUPER MUNCIE M22 ROCKCRUSHER 4 SPEED TRANSMISSION NEW …

Find best value and selection for your SUPER MUNCIE M22 ROCKCRUSHER 4 SPEED TRANSMISSION NEW search on eBay World's leading marketplace

Magical Muncie Four-Speed | Hotrod Hotline

The Muncie M20 is basically a wide-ratio transmission and was intended for normal street driving use The early ones had a 256:1 first gear The later 1966-1974 units had a 252:1 first gear They are compatible with a GM 3 Series differential They are for economy and street drivability and just cruising

Muncie 4 Speed Transmissions - 5Speeds Transmission Home Page

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

Muncie 4 speedM21, M22, Rock Crusher? | The HAMB

Mar 30, 2009 · That's where the 'whine' come's from with those transmission's Also, there's companies out there that are making new gear set's for Muncie's as wellnot just stock replacement stuff either 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

chevy m22 rock crusher transmission - nenssnl

1972 Muncie M 22 TRANSMISSION ROCKCRUSHER ALL , Cover 3831707 M20 M21 M22 Transmission Gm Chevy Camaro M-22 Rock Crusher 4-Speed Transmissions by JetBoatBill new design muncie m22 rock crusher close ratio 4 speed this is the m-22 transmission …

GM Muncie 4-Speed Decoding : Drivin' It Home

GM Muncie 4-Speed Decoding 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

speed muncie rock crusher - perkinspreschool

May 11, 2018 · How to Rebuild a Muncie Four-Speed Transmission - Rock The Oct 7, 2014 The Muncie four-speed is as legendary as the cars that it was put into, with the M20, M21, and Rock Crusher M22 models all part of the hot rod

Muncie M22 Rockcrusher Transmission For Sale

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 vehicles Compatible Vehicles

Muncie M22 Rockcrusher Transmission For Sale

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 vehicles Compatible Vehicles

Identifying Muncie 4-Speeds - myss396

Identifying Muncie 4- Speeds Several things are needed to identify a Muncie correctly The first is a main case casting number Second a count of the input shaft and output shaft splines and if any rings or grooves exist around the input shaft splines Third are date codes and VIN numbers that help confirm that the above case and gears belong together

M21, M22 4 speed GMC and Chevrolet Rebuilt Manual

& 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

How to Rebuild a Muncie Four-Speed Transmission

How to Rebuild a Muncie Four-Speed Transmission - Rock The Rock Crusher Giving a worn-out Muncie four-speed transmission a quick rebuild with parts from Summit Racing with the M20…

m22 rock crusher transmission output shaft - nemmadico

The 1965 Chevrolet M22 Rockcrusher Transmission: The Mystical The 1965 M22 maintained the 10-spline input and 27-spline output as all Get in touch with us So you've decided to slam four with a GM Muncie Transmission Muncie M20 M21 & M22 Transmission Slip yoke 1310 27 spline 5 1/2

Muncie 4 Speed

From 1966 on, the customer could decide the transmission selection The M20 and M21 have the same cut to the gears, the M22 is a straighter cut resulting in a greater strength Since the M20 and M21 look the same one way to tell them apart (aside from the grooves on the input shaft) is the tooth count on the cluster gear 1963-1965:

M22 Wide Ratio Muncie 4 Speed - YouTube

Jun 20, 2009 · M22 Rockcrusher Wide Ratio This feature is not available right now Please try again later

Muncie 4-speed transmissions - - Hemmings Motor News

The 220 ratio is commonly designated as the M21 transmission, while the 256 ratio is commonly referred to as an M20 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

Camaro - Transmission

The M20 4-speed, standard transmission, RPO was a generic category It was translated at the factory into a low-performance Saginaw when teamed with the L6 engine, as the higher-performance Saginaw in the lower-end V8s, and as a Muncie in higher-performance V8s such as in the SS and Z28 models

Muncie M21 M22 Rockcrusher Four 4 Speed Transmission

Muncie M21 M22 Rockcrusher Four 4 Speed Transmission The M22 4 speed or commonly known as the rockcrusher , differs from M21, though they had the same gear ratios, with its heavy duty gearset This was designed primarily as a road race transmission

M22 Rock Crusher - 4 Gear Trans Co

Muncie M22 "Rock Crusher 4 SPEEDS FROM 1965 TO 1974: This page is devoted to OEM Complete units; New aftermarket units and OEM parts and NOS parts We …

The Mighty & Majestic Muncie 4 Speed Transmission

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 The later 1966-1974 units had a …

Muncie M22 Rock Crusher A Vendre - justdifferenteventsnl

Muncie M21 M22 Rockcrusher Four 4 Speed Transmission The M22 4 speed or commonly known as the rockcrusher, differs from M21, though they had the same gear ratios, with its heavy duty gearset This was designed

muncie transmissionrock crusher - whitehillstree

M20, Wide Ratio 4 Speed Manual Transmission (Muncie & Saginaw), $20595 M22, 4 Speed Manual Transmission "Rock Crusher", $23235 The most popular question has to be that everyone thinks they have the famous "rockcrusher" M22 4 speed This had the same gear ratios as the M21 but with a

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