M22 Rock Crusher
GM Muncie 4-Speed Decoding : Drivin' It Home
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.
Muncie 4 speed....M21, M22, Rock Crusher? | The H.A.M.B.
Mar 30, 2009· 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. I also have what I believe is an M21, but I'm not certain. The M22's are both close ratio and the M21 is a wide ratio...again from what I …
Magical Muncie Four-Speed | Hotrod Hotline
An M22 retains less heat due to the straight-cut gear design and the lack of thrust that helical-cut gears create. An M-22 holds up well. The downside is that it tends to make noise. It will rattle at low rpms and whine at higher rpms. The M22 is called the Rock Crusher. “Dump the Rock Crusher,” hot rodders say.
what is a rock crusher transmission? | Yahoo Answers
May 01, 2009· Only the M22 is a "rock crusher" and it's almost a certainty you don't have one. They are POS' but todays standards, since back then they couldn't actually put the power to the ground due to the tires and suspension. Todays vehicles would destroy the M22 as the aluminum housing design is a serious problem.
M22 Rock Crusher | eBay
If you have a GM or Chevrolet muscle car from the 1960s, then chances are you either have or want an M22 Rock Crusher in it. 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.
Muncie four-speeds | Hemmings Daily
Sep 23, 2018· The 2.56:1 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 M22 …
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NEW Auto Gear Super Case Muncie M22 4-Speed Rock-Crusher ...
New Super Heavy Duty Direct Replacement and Strongest M22’s Made With Muncie Auto Gear Super Case and Strongest M22 Close Ratio or Wide Ratio Gears. 26 spline input and large 32 spline output shaft. C355 Forged Aluminum Mid-Plate. Super Tail. AG Roller Side Cover. A great Super Heavy Duty Rock Crusher M22 for your Camaro, Nova, Chevelle, Corvette or other GM car.
The 1965 Chevrolet M22 Rockcrusher Transmission: The ...
Sep 15, 2010· Across the top of the page are the words “First Build 4/15/65 – 1st Shipment 4/19/65, recap of M22 (Rock Crusher) Trans.” By comparing these M22 transmission assemblies to Chevrolet’s 1965 transmission identification codes, I found a perfect match.
Muncie 4-Speed: The Complete History - Chevy DIY
Muncie 4-Speed: The Complete History. ... M22 RockCrusher . In 1963 the Corvette Grand Sport racing program was instituted. The early Grand Sports used a special heavy-duty version of the M21 close-ratio transmission. These special units evolved into what is called the M22 today. According to research by Alan Colvin (author of the Chevrolet ...
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 Identification Guide - Chevy DIY
The progression of the 10-spline input identification groove system. From left to right, early M20, M21, later M20, and M22. You really cannot get the early M20 and M22 mixed up because the early M20 came with a 7/8-inch countershaft, while the M22 did not. In fact all of the upper-speed gears have the same tooth count regardless of ratios.
Muncie 4 Speed
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. These M22 units are highly sought-after for performance applications. The term "rock crusher" refers to the noise made by the meshing of the strong-er helical gears in the M22.
muncie m22 rock crusher | eBay
Find great deals on eBay for muncie m22 rock crusher. Shop with confidence. Skip to main content. eBay Logo: ... Chevy Gm New Muncie M22 Rock Crusher Wide Ratio 4 Speed Transmission 26 Spline See more like this. Muncie M22 4 Speed Rock Crusher Gear Set, 10 Spline, GK-M22. Brand New.
Muncie Identification | The H.A.M.B.
Feb 21, 2010· Although some claim that the M23 is a 'rock crusher', it is indicated that this box was assembled in both wide and close ratio components and also with straight cut gears common to the rock crusher (M22) transmission. Looks like you have a second design-feb. 28th, 1968, M20 or M21. Definitely not a rock crusher(no straight cut gears).
M21, M22 4 speed GMC and Chevrolet Rebuilt Manual ...
M21 & M22 4 speed GMC Chevrolet Mucle Car Rebuilt Manual Transmission and Parts including bearing rebuild kits, input, main and counter shafts, etc. Ask about our good used (takeout parts), Buy Factory Direct and Save! Let us help save you some money!
Recent Body-Up Restoration, beautiful Emerald Turquoise metallic paint, black vinyl interior, 355 ci engine, Muncie M22 “Rock Crusher” 4 speed manual transmission, Holley dual feed 4 bbl, GM “snowflake” aluminum intake, Comp 490/286 camshaft, headers, GM “double hump” heads, chrome air cleaner, billet Bowtie valve covers, front disc brakes, front sway bar, Harrison radiator with ...
Guide to Muncie M20, M21, and M22 Four-Speed Transmissions
Aug 07, 2018· 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 …
Difference between M21 and M22 | NastyZ28.com
Oct 01, 2008· M22 had straighter cut gears. Sounds kind of like a gear drive timing set. Unmistakable sound. I don't know how many people I've had tell me "Oh ya this thing has a Rock Crusher (colloquial term for M22) in it. I've only heard the sound of the real deal once.
Chevy Transmissions: Muncie 4 Speed M22 Rockcrusher ...
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 G.M cars. They have the same gear ratios as the legendary M21 but with a heavy duty gearset.
Muncie M21/M22 average price? - Chevelle Tech
Oct 09, 2009· I want to eventually put an M22 in my Chevelle, but don't want to pay the outrageous prices for OEM units. I just want the same gear ratios, and that trademark rock crusher sound. Being stronger would just be an added benefit.
Muncie 4-speed - chevellestuff.net
The M22 was produced in 1973 and 1974 for other GM divisions. ... thus the nickname "Rock Crusher" was born. Another misconception is if you have a drain plug you have a M22. This was only true when the first M22 boxes were created; all 3925661 castings (1970-1974) had drain plugs.
MUNCIE M22 “ROCK CRUSHER” - Show Car Quality Products
The 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 virtually all new …
M22-Wide vs M22 "Rock Crusher" - Chevelle Tech
Oct 29, 2008· Re: M22-Wide vs M22 "Rock Crusher" In the beginning, the M-22 was the Heavy Duty Muncie, and it was available ONLY in the close ratio version (2.20:1 first gear ratio). The primary difference between the regular close ratio Muncie (M-21) and the HD Muncie was the angle at which the gear teeth were cut.
M22 Rock Crusher
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 …
It's Worn • Guide to Muncie M20, M21, and M22 Four-Speed...
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 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 ...
New Products | Autogear - Auto Gear Equipment | Custom ...
(1) STRONG. Legendary M22 ‘Rock Crusher’ gearing, sourced in Italy for legendary accuracy. (2) EFFICIENT. Low mass is good, but low inertia is better. Superfinished helical gears transmit more torque with less pumping loss, sending more torque to the tires. (3) VERSATILE.
NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2399.00
$2399.00 plus s/h. add:. $150.00 micro super finish. $35.00 thrust button for heavy launch and downshift case support. assembled super rock crusher m22 650 hp. call for orders; new direct replacement m22
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