Muncie M22 4 Speed "Rock Crusher" Gear Set. Can Also Be Used To Convert Muncie M20 / M21 To M22 Gears. Can be used on all M22, M21 & M20 Muncie aluminum 4-speed transmissions with the …
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.
Aug 07, 2018· GM's goal with the Muncie four-speed was to produce a better shift employing larger synchro cones. He tells us both the M20 wide-ratio and M21 close-ratio transmissions were first offered in …
NEW Upgraded Muncie M20 4 speed $2158.00. No Price NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2399.00. No Price Muncie Master Overhaul Kit. The ultimate Master rebuild kit for Muncie transmissions. Kit includes: From $283.00 . Muncie Overhaul Kit 1966-74. Complete overhaul kit for Muncie 4 speed transmissions, 1966-1974. From $114.95
Serial numbers for Muncie 4 speeds always begin with the letter "P". P stands for Muncie Plant. Not for passenger car as some self proclaimed specialists may think. 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 …
My husband has a muncie 4 speed trasmission and he wants . My husband has a muncie 4 speed trasmission and he wants to know how to tell if its a 'rock crusher' Submitted 6 years ago. Category The rock crusher was the Muncie M22. I am installing a M-20 four speed in my 1966 el camino. Check price
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.
How to Identify a M22 Rock Crusher by Janos Gal . 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 ...
can a muncie m20 4 speed be changed to a m22 rock crusher. Synchromesh and Muncie 4Speed Transmission. The Magical Muncie 4Speed Transmission. The Muncie M20 is basically a wideratio transmission and was intended for normal With a closeratio box a driver can run through the gears and keep the The M22 is called the Rock Crusher.
GM's goal with the Muncie four-speed was to produce a better shift employing larger synchro cones. He tells us both the M20 wide-ratio and M21 close-ratio transmissions were first offered in 1963. The M22 Rock Crusher would come later to accommodate the heavy twist …
Jul 05, 2016· The Muncie four-speed transmission was used with many different models and engine combinations from 1963 through 1974. And you're right, Zack, not too many people actually know how to ...
Jan 04, 2012· STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR SUPER CASE With The Strongest M22w WIDE RATIO or Close Ratio Gears for a 4 SPEED TRANSMISSION. A GREAT HEAVY DUTY ROCKCRUSHER FOR YOUR CAMARO, NOVA, CHEVELLE, CORVETTE, GTO,442. THE MAIN CASE IS THE STRONGEST MADE with fill and drain plugs. C355 Forged …
Oct 01, 2008· Difference between M21 and M22 Discussion in ' ... The only one that matters is the last letter. A=M20, B=M21, C=M22 Sep 30, 2008 #3. Cardinal Veteran Member Lifetime ... 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. ...
GM's aim with the Muncie four-speed was to produce a greater shift using bigger synchro cones. He tells us each the M20 wide-ratio and M21 close-ratio transmissions have been first provided in 1963. The M22 Rock Crusher would come later to accommodate the heavy twist …
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.
4 speed muncie rock crusher Muncie 4 speed - Hot Rod Forum : Hotrodders Bulletin,- 4 speed muncie rock crusher,How much HP will a Muncie 4 speed hold How do you distinguish between an M21 and an M22 The M22 is what they called the "rockcrusher", Thanks for the info I also have a TH400 (it's for sale on this site) I guess from what I .Muncie M22 Rock Crusher For Sale - Crusher …
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 is a highly sought-after performance transmission.
Jul 25, 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 muscle car or a …
It had vastly better gear ratios for that application. Otherwise, the TKO eats the M22 for lunch. I have an M20 in my car, but I will tell you that it's the AutoGear redesign. It has a "bulletproof" updated case and mid plate, roller shifter bearings, increased torque capacity and redesigned "Rock Crusher" style gears in the original M-20 ratios.
Sep 03, 2015· A video with better audio of the nostalgic sound of a Muncie M22 (Rock Crusher) transmission at work in a 1966 Chevrolet Chevelle. ... Muncie M22 4 Speed Rock Crusher Gear Whine relicrestorerman. ...
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.
Home >> can a muncie m20 4 speed be changed to a m22 rock crusher. can a muncie m20 4 speed be changed to a m22 rock crusher. HOT PRODUCTS . PF Impact Crusher By absorbing the advanced technology from the world, we researched and designed PF series impact crusher.
Feb 21, 2010· I got this Muncie 4-speed the other day. The fellow I got it from got it for free many years ago and never put it in anything - it's just been sitting in his garage. He believes it's an M-21 out of a '68 Oldsmobile, though he can't say for sure. I've searched the internet but I am finding conflicting data.
MUNCIE 4 SPEED TRANS M20 RARE! 1969!! for Sale, us . Muncie 4 speed trans m20 rare! 1969!! for sale. This awesome muncie 4 speed came from an estate sale. see transmission stamped code in pic. "In this case, we will provide a full refund but you must return the cancelled items to u...
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.
Nov 23, 2014· Hey All! Can anyone tell me witch Muncie 4 speed they used in 1973? I recon the M20 0r M21. Am i correct? Since the M22 Rock-crusher normally were for the bigblocks, and no bigblocks were offered in 1973 as we all know (At last not in a Camaro)
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.
Sep 15, 2010· This field test was successful and specific design changes were made to the existing Muncie transmission platform to bring M22 production units into existence. A Chevrolet Engineering Change Recommendation #68715 was issued on December 19, 1964, that proposed the changes required to change the M20-21 into the M22 rockcrusher transmission.
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