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. I took …

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. I took …
The Muncie M22 is known as the Rock Crusher. See how we improve its strength and versatility by adding a Gear Vendors Overdrive. Cam Benty Writer John McGann Photographer Nov 04, 2022
I have 67 Camaro with a factory M20 4-speed. The synchronizers are going bad and its time to replace the trans. The engine has been freshly built and pushing 450-500HP I am looking at either a Keisler 5-speed or the legendary M22 Rock Crusher from Midwest Muncie.
1967-1972 Camaro & Firebird M22 Muncie Rock Crusher Trans Gear Set 26 Fine Spline: Muncie M-22 Heavy Duty "Rockcrusher" fine spline transmission g ... 1967-1972 Camaro & Firebird M22 Muncie Rock Crusher Trans Gear Set 26 Fine Spline ; New & Repro Parts Apparel & Merchandise Audio, Radios, Speakers Brakes Convertible …
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 …
A great Super Heavy Duty Rock Crusher M22 for your Camaro, Nova, Chevelle, Corvette or other GM car. Close Ratio = 2.20-1st, 1.64-2nd, 1.28-3rd, 4th direct. Wide Ratio = …
1971 Muncie M22 4-Speed-Rock Crusher Transmission 1971 Muncie M22 Rock Crusher 4 Speed Transmission 2.20 1st Gear Close Ratio 26/32 Spline Main Case 3925661 Tail Housing 3978764 ... Displayed Email: shop@camaro-shop Phone: 9168371860 . See less See more 3 Steve's Camaro Shop 8270 Christian Lane Granite …
Each new SuperCase transmission is built from the highest quality available. Includes all the goodies: SuperCase, gear ratio choice, heavy-duty set with a oilite bushed side …
1992 Eddie 4" Tuff country lift with SOA rear 33/12.5/15 TSL Superswampers 1969 CHEVY Camaro w/ 454, Munci 4 speed rock crusher, posi rear end w/ 4.10 gears. Reply. Join the Elite Explorers for $20 each year. Elite Explorer members see no advertisements, no banner ads, no double underlined links,.
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STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR Upgraded Ultra CASE With The Strongest M22w WIDE RATIO or Close …
1967 Camaro SS/RS Convertible L78 396 (MJ496) M20 (M22). I am happy 😎 ... zero rock slider/hubs (use torque lock slider only with gearsets with torque lock synchros like korean gearsets) gear drive made from steel; muncie super case OR N24 Ultracase with ribs (even better)
From 1965-onwards the Rock Crusher was available with the Corvette, and by 1969 it was found on vehicles as diverse as the Chevelle, the Camaro, and the Oldsmobile 442. If a car made big power, chances are a Muncie M22 was on the menu.
1967-1972 Camaro & Firebird M22 Muncie Rock Crusher Gear Set Course 10 Spline: Muncie M-22 Heavy Duty "Rockcrusher" course spline transmission gea ... 1967-1972 Camaro & Firebird M22 Muncie Rock Crusher Gear Set Course 10 Spline ; New & Repro Parts Apparel & Merchandise Audio, Radios, Speakers Brakes Convertible Decals …
Muncie rock crusher. Jump to Latest 826 views 0 replies 1 participant last post by jimdcamaro Apr 8, 2011. J. jimdcamaro Discussion starter 11 posts · Joined 2005 Add to quote ...
"Where Our Customers Send Their Friends" 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.
NEW, Complete 67 - 68 Camaro Muncie 4 Speed Conversion Kit now available! This kit will get you everything needed to convert a automatic 1969 Camaro into a four speed …
come guys, every gearhead knows every muncie is a rock crusher, every 327 came out of a corvette and all 12 bolts are posi's!
1967 Camaro SS Clone 327ci 4spd; 1968 Camaro RS Yenko Clone (1969 Stripes) 427BB; 1967 Camaro SS Clone 350ci 3spd cDuck28Z@gmail. Save Share. ... Doesn't the M-22 ( rock crusher ) have the distinct whine in the first 3 gears ? my Magnaflow X-pipe system sound clip, click the link
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 …
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
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 ...
Rebuilt Transmission M22 1966-1974 Rock Crusher MTGM038. Rebuilt Overhaul Bearing Kits M21 & M22 Transmission. Kits w/OE Style Bearings. Drawing Image Description Part Number N.I. M20 (63-65) (72mm OD Input Bearing) TRSBK117A N.I. M20 (63-65) (80mm OD Input ...
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. It is the heavy-duty version of …
Build your existing Muncie with an M22Z gearset and install a 3.08:1 differential gearset. What would that do for your car? Take any RPM and use my quick …
Heartbeat City stocks a full line of NOS Camaro Parts, Rare Camaro Parts, Old Camaro Parts, Reproduction Camaro Parts and hard to find Used Camaro parts for your first …
First Generation Camaro Info and Tech - 1967-1969. Engine. Muncie M-22 Rock Crusher. Jump to Latest Follow 854 views 4 ...
4 speed munci gearbox and bellhousing Shifter included Marketplace. Browse all. Your account. Create new listing. Filters. Dearing, Kansas · Within 621 miles ... 1969 Camaro Munci 4 speed rock crusher transmission. $1,450. Hobbies › Car Engines & Parts. Listed 6 days ago. 6 days ago. in Pasadena, TX. Message. Message. Save. Save. Share ...
A GREAT HEAVY DUTY ROCKCRUSHER FOR YOUR CAMARO, NOVA, CHEVELLE, CORVETTE, GTO,442. THE MAIN CASE IS THE …
There also was a second, heavy-duty close-ratio version: the "Rock Crusher" (M22) that was offered on some of the high-performance big-block models, starting with the 1965 Corvette.