Crusher Trans Identifying

Identifying Muncie 4 Speeds II by Paul Cangialosi

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 …

GENERAL MOTORS MUNCIE 4-SPEED MANUAL …

L30-s36T: M22 'Rock Crusher' 3879999 WT297-21A A17 Mainshaft 3rd Gear L27-s36T: except M22 3831747 WT297-11 L27-s36T: M22 'Rock Crusher' 3880845 WT297-11A A18 Mainshaft 3rd/4th Synchronizer Assy synchro rings w/o support shoulder (1963-65) 3887887 3887887 synchro rings w/ support shoulder (1966-74) 3924113 3924113

M21 M22 4 Speed Muncie Manual Transmission

Below we provide a M21 & M22 parts illustration to assist you with the correct identification of the parts you need. Select the parts you require from the following list and give us a call. ... Rebuilt Transmission M22 1966-1974 Rock Crusher MTGM038. Rebuilt Overhaul Bearing Kits M21 & M22 Transmission. Kits w/OE Style Bearings.

'69 Z28 Transmission

If not, it may be on the top very near where the trans mounts to the bell housing. Of course you'll have to remove the tranny to see it. PS - Sleepy-69... My numbers matching M21 does have a drain plug. It's a very late 69 (11A) and has a 1970 model trans in it which apparently all received drain plugs. ----- John - 69 Z/28 69 Z11

Identifying Muncie 4 Speeds III by Paul Cangialosi

How to Identify Muncie 4 Speed Transmissions. Identifying Muncie 4 Speeds III by Paul Cangialosi : 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 heavy duty gearset. The reason you may ask?

Muncie Calendar Date Codes — D.M.E. Transmissions

Identifying codes. 1963 -66 codes follow a 5 digit format starting with a P followed by the month and day the transmission was stamped. For example P0421 reads: Muncie four speed aluminum for passenger car April 21st. 1967 -74 Production codes will start with a P followed by a number for the year, a letter for the month, and two numbers for the ...

crusher trans identifying features

crusher trans identifying features. Accueil crusher trans identifying features. Muncie 4 speed transmission information Firebird Nation ·M 22 "Rock Crusher" Identification The M 22 close ratio transmission is easily identified internally from the M 20 and M 21 versions by the angle of the gear teeth The M 22 was only produced in a close ratio ...

Muncie identification

An M20 transmission was the standard trans you had to option for M21 or M22 . So the rear axle ratio would be one of the following 3:36 3:55 or 3:70 for an 1971 LT-1. ... Rock Crusher M22 Calendar months produced are …

GM Transmission Identification Guide: Chevrolet, Pontiac, Buick, …

The following charts can help with GM transmission identification for automatics and manuals. 1-844-78-Catalog. SHOP BY VEHICLE. Free Catalogs. 1967-02 Camaro; 1962-79 Nova; 1958-96 Impala ... This 1974 Trans Am was spec'd with the potent 455ci Super Duty V8 backed by a TH400 automatic transmission. ... Muncie M22 "Rock Crusher" - Strengthened ...

Muncie 4-Speed: The Complete History

Today's VINs (vehicle identification numbers) are even bar coded. A service technician can use a scanner to find a VIN, and any known service issues are easily found. From the 1960s until the late 1980s General Motors issued Technical Service Bulletins by mail or fax to alert dealerships of potential service issues.

Identifying Muncie 4-Speeds

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 …

Muncie Parts

NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00. No Price Muncie Overhaul Kit. Complete overhaul kit for Muncie 4 speed transmissions ... This will replace the narrower, less durable standard front bearing that came originally in this trans. From $42.95 . Muncie Caged Pocket Bearing with 17 rollers. Caged Pocket bearing with 17 rollers for ...

Understanding the Muncie Trans Metal Tag

In the block labeled Trans on my original buildsheet the letters WD are present. This is the same tag that would have been attached to the 1972 wide-ratio Muncie.

Help Identify Muncie M20, M21 or M22

Help Identify Muncie M20, M21 or M22 ... Try to get the number on the top center section of the trans. Are the shift plates held on by a nut, or a bolt? Does it have a drain plug (2 plugs..one kind of in the middle of the main case, and one near the bottom.) Do the RPMs drop way off from 3rd to 4th gear? Dennis 1929 Model A Coupe

Muncie 4-speed Transmissions | The Online Automotive

The easiest way to identify a Muncie transmission is by its side cover. Muncies have seven bolts, two bolts on the bottom, three on the top and one down each side. There are also 2-3/8-inch studs for the shifter levers protruding from the side cover. ... The term "rock crusher" refers to the noise made by the meshing of the stronger helical ...

Rock Crusher identity

Look in the post at the top on the trans fourm. It tells how to pick out what is what but the main thing to look for in a M-22 is the gear angle. Take off the side cover and look at the angle of the gears. M-20, m-21 will have 45 degrees gears and the m-22 is 22.5 degrees.

Technical

At this point in time, the trans may or may not be what the numbers rings on the input would suggest it is . For example the Muncie m-20 in my car is parts of,at least, 5 different transmissions . The way most were beat on in the muscle cars and cars since, there's very little chance that you have a .

m22 rock crusher trans identifying features

M22 Rock Crusher Trans Identifying Features Argentina This 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 supercase design the supercase has extra casting in all the known weak areas the.

Identifying Muncie 4 Speeds II by Paul Cangialosi

Many people are always calling me or asking me at shows on how to identify Muncie 4 speeds. Not too many people actually know what type Muncie they have and most publications have done a fantastic job of giving out wrong information. This includes performance parts books from GM as well as a multitude of poorly written "How To" articles in just ...

How to Identify Your Muncie 4-Speed Transmission

Identifying a Muncie 4-speed transmission can be crucial for both restoration projects and performance upgrades. Here's a simple guide to help you accurately identify your Muncie transmission, especially for Chevrolet vehicles. What To Look For Serial Numbers: The serial number is often stamped on the case. For Muncie transmissions, you'll typically find this on the …

Complete Guide to Muncie Transmissions

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. ... The M20 and M21 …

Chevy Manual Transmission Identification

Further Muncie identification 3 Muncie 4 speeds were offered. The M-20 wide ratio, the M-21 close ratio, and the "Extra heavy duty close ratio" M-22, also known as the "Rock Crusher". The M-22 was generally installed behind severely powerful (high torque) big-block engines. The M-22 is distinguished from an M-21 by the angle of the gear teeth.

Muncie 4-speed transmission information | Firebird Nation

M-22 "Rock Crusher" Identification The M-22 close-ratio transmission is easily identified internally from the M-20 and M-21 versions by the angle of the gear teeth. The M-22 was only produced in a close-ratio version, so it will not appear on models with high rear-axle ratios (3.55 or lower numerically) unless someone has changed it.

How to ID M-22 trans

I read somewhere that effective Oct. 21 1968 a suffix letter was added to the plant build date code to aid in identification of transmission ratios. P----A = M-20 P----B =M-21 P----C =M-22 My question, is there a way to identify any M-22 transmissions with out taking it apart.(pre 68 or newer) Trans in question is not in a car.

GM Muncie 4-Speed Decoding

M-22 "Rock Crusher" Identification. The M-22 close-ratio transmission is easily identified internally from the M-20 and M-21 versions by the angle of the gear teeth. The M-22 was only produced in a close-ratio version, so it will not …

Rock Crusher identity

Look in the post at the top on the trans fourm. It tells how to pick out what is what but the main thing to look for in a M-22 is the gear angle. Take off the side cover and look at the angle of the gears. M-20, m-21 will have 45 …

Muncie 4-Speed Identification Guide

How to Identify a Muncie 4 speed

Re: How to Identify a Muncie 4 speed 12-24-02 04:14 AM - Post# 146391 In response to 57Townsman210 There is a very complete web page about identifying the various Muncies at Click the link for Muncie 4 speeds and you'll find everything you ever wanted to know. They also sell good rebuild kits and each kit is specialized for the …

identifying muncie rock crusher

The Story of the Mighty & Majestic Muncie 4 Speed. 4 ·The 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 …

Guide to Muncie M20, M21, and M22 Four-Speed Transmissions

The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet's big-blocks in the mid-1960s. The M20 and M21 transmissions produced from 1963-'74 are easy to identify in both wide- and close-ratio units. The M22 to come later in 1967-'74 is also a close-ratio unit, but much stronger than the M21, with a higher torque ...

Muncie 4 speed....M21, M22, Rock Crusher? | The H.A.M.B.

I currently have an M22 Rock crusher in my '56 Chevy pickup, and have another M22 that was rebuilt about 6 years ago by my father but never used. ... like "P0139A" The last letter ID's the trans A M20 B M21 C M22. If you have two M22s, you should buy a lottery ticket . earl schieb, Jun 26, ... Go to it and click on "identification" and that ...