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.
The 2.20:1 ratio first gear is usually referred to as the Muncie M21 transmission; based on GM's production codes. The 2.56:1 ratio is referred to as the M20. 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 ...
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 …
Wide Ratio 2.52 $1175.00 Email us at [email protected] for more information or to place order. If you do not need the above complete conversion kit we also sell the M22 Gear Set alone.
Take a look at our NEW MUNCIE M22 ROCK CRUSHER CLOSE RATIO ( 10 SPLINE) GEAR SET!!, as well as other M-22 WIDE AND CLOSE GEARS & GEAR SETS available for sale … 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.
Dec 07, 2012· Muncie M22 Rock Crushers, Custom Ratio's, Quality 4speed … Oct 19, 2012 · Muncie M22 Rock Crushers, Custom Ratio … duty Muncie M-20/M-21: M-20 ( wide ratio ) … me with your cars gear ratio and how you intend to use the car .
Jun 20, 2009· M22 Rockcrusher Wide Ratio. This feature is not available right now. Please try again later.
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.
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 Aluminum Mid …
An axle ratio of 3.73 and higher usually came with a close-ratio transmission. While vehicles with an axle ratio of 3.55 and lower usually used a wide-ratio transmission.
wide ratio muncie rock crusher gears [ 4.7 - 5921 Ratings ] The Gulin product line, consisting of more than 30 machines, sets the standard for our industry. We plan to help you meet your needs with our equipment, with our distribution and product support system, and …
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 ...
Axle ratios of 3.73 and lower (numerically higher) came with close-ratio transmissions, while axle ratios of 3.55 and higher (numerically lower) used wide-ratio transmissions. In addition, many GM high-performance engines came with M-22 "Rock-Crusher" in the 1970-73 years, however an early version of the M-22 was available as early as 1965 ...
A close-ratio transmission is a vehicle transmission in which the difference between the gear ratios of the gears is minimized relative to other transmissions used in similar vehicl The use of "close" describes nearness rather than open-ness (ie open vs,...
Muncie M22 "Rock Crusher" transmission. admin January 24, ... 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. ... NEW DESIGN MUNCIE M22 ROCK CRUSHER CLOSE RATIO 4 SPEED. THIS IS THE M-22 TRANSMISSION THAT GM COULD NOT BUILT!
We also offer muncie rebuild kits, racing parts and m22 rock crusher transmissions. Home of the world's best 4 speed muncie transmissions and parts. We also offer muncie rebuild kits, racing parts and m22 rock crusher transmissions. ... Matt on Auto Gear Super Case Muncie M22 4-Speed Rock-Crusher, Camaro 4-speed 10/26 or 26/27spl. ON SALE ...
People think all Muncie four-speeds are Rock Crushers, but they're not. Nowadays there are custom gear ratios and set ups, including M21 wide-ratio and M22 wide-ratio …
Ironically, the Muncie was designed based of of the T-10 using its same basic layout. The Muncie 4 Speed came in 3 basic models… the M-20, M-21 & M-22. 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 2.56:1 first gear.
these are brand new muncie transmissions with ultra heavy duty case and the latest updates / revisions improving them compared to the original "rock crusher" a direct replacement for your muncie or t-10 (shifter not included) call for more information !
muncie m22 rock crusher for sale - Zenith Mining Equipments …. Auto Gear Super Case Muncie M22 Rock-Crusher, …ALL NEW SUPER CASE MUNCIE M22 WIDE RATIO 4 SPEED TRANSMISSION.One of the Best Strongest direct replacement 4-speed...
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.
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 …
NEW DESIGN MUNCIE M22 ROCK CRUSHER CLOSE RATIO 4 SPEED. THIS IS THE M-22 TRANSMISSION THAT GM COULD NOT BUILD! Newly designed STATE-OF-THE-ART Muncie front case from "Auto Gear".
For sale is a rare WIDE Ratio Transmission for 57 thru 74 GM products including Grand Sport Corvette, Chevrolet, Oldsmobile, Buick and Pontiac and is a rare opportunity to own a virtually brand new M-22 WIDE Ratio Rock Crusher Transmission with a completely new gearset.
Muncie M22 4 Speed New Gear Set Close Ratio Rock Crusher Gkm22 Or Gkm22a Muncie M22 4 - $521.30 Muncie M22 4 Speed Wide Ratio Gear Set, 10 Spline, Gk-m22w-10
