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 …
Muncie M-22 Rock Crusher Four Speed Transmission - RARE Drivers Side Speedo (#1) See all feedback. Product ratings and reviews. Learn more. Write a review. 4.8. 11 product ratings. 5. 10 users rated this 5 out of 5 stars. 10. 4. 0 users rated this 4 out of 5 stars. 0. 3.
By the time the Muncie was in its final phase of production (1971-1974) it also gained a 32 spline output shaft in place of the original 27 spline unit. Wide, Close, or Rock Crusher Initially there were two specific Muncie transmissions available: the M20 wide-ratio (2.56:1 first gear) and the M21 close-ratio (2.20:1 first gear).
The Gear Box is the source for Muncie Parts like the new assembled M22 SUPER ROCK CRUSHER 4 speed kit with micro super finish or downshift case support. The Gear Box Transmissions. Muncie-Tremec-Saginaw-TKO-Top Loader-Richmond ... Muncie Parts > NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00. NEW Muncie M22 …
This a BRAND NEW SUPERCASE M22 4-Speed Rockcrusher Style Transmission. Each new Auto Gear transmission is built from genuine Auto Gear parts, the highest quality available. This is a BEEFY version of the original Rock Crusher transmission.
description. all new ultra pro super n24 heavy duty muncie 4-speed for pro street, road race or gasser use. special ribbed main case with front and rear 1-1/2″ steel thrust buttons for the most support of the cluster gear. 9310 steel head set, torsion style oil seal main drive input. 34 tooth 1st gear for extra strength with solid helix cut 1st gear bushing.
The fact is GM did infact use Rock Crushers in Vettes as early as 65 when ordered with a big block or special performance order package and in Pontiac F-bodies as early as 69 with special Ram Air performance packages. The Muncie 4-speed transmission was used with many different GM models and engine combinations from 1963 through …
GTO 3-Speed Transmission, 1972 GTO, Heavy Duty 3-speed transmission, Dearborn, Muncie, M13, M12, Muncie M20, M22 rock crusher, Auto Round-Up MagazineA: L.C., thanks for the nice words. The transmission listed on the build sheet you sent me is indeed the Heavy Duty 3-speed transmission I spoke of in the a recent Auto …
Transmission, Manual, 1971-74 GM, Muncie M22, 2.20 1st. Remanufactured 4-speed manual transmissions are now available from OPGI. Each transmission is disassembled, cleaned and inspected to ensure an outstanding final product. Each transmission features top-quality components throughout, as well as premium seals and gaskets for a leak …
MUNCIE M22 ROCK CRUSHER $ 0.00 COST $ 1,895.00 WITH DRIVERS SIDE SPEEDO AND $1,995 WITH PASSENGER SIDE SPEEDO INCLUDING CRATING AND SHIPPING. Visitor. Powered ... Transmission parts, Show Car Quality Parts, 4 speed transmissions, four speed transmissions, auto parts ...
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.
M-37 "Super Muncie" or "rock crusher" Several ratios available, large input shaft (1 1/4, like "Hemi" 4-speed and "big" Top Loader), spur-cut 1st gear (increased load "shock" capability, makes a horrid "whine", thus the nickname) and large output shaft. The only cars I recall them in were the ZL-1s. LOTS sold over the counter for racing in the ...
4. 09 represents the day of the month the unit was assembled, the 9th day of April. 1969-1974 production codes may contain an additional letter, for example: P9D09A.
The Muncie 4-speed transmission was used with many different GM models and engine combinations from 1963 through 1974. The basic design and operation theory of the gearbox changed little during this period, however several design upgrades and modifications were made during the total production run. ... M-22 "Rock Crusher" …
Identifying Muncie 4- Speeds. 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 around the input shaft splines. ... 1964 to 1968 Muncie 4-speed transmissions can be identified from later models by the way ...
1972 M22 P2T03C 3925661 Rock Crusher Muncie 4 Speed Transmission Case Dec 3rd. Opens in a new window or tab. Pre-Owned. $549.99. or Best Offer. Free local pickup. 14 watchers. derosnopS. brmay-8191 (8) . Muncie M22 4 Speed Rock Crusher Gear Kit - Input Cluster 1st 2nd 3rd Idler Gear. Opens in a new window or tab. Brand New. $599.00.
Muncie 4-speeds were produced in two different ratios wide ratio (M-20) and close-ratio (M-21). An extra heavy duty close-ratio version (M-22) was also offered on …
Severe Duty M23 gearboxes feature Upgraded Ultra Case with enlarged Front and Rear steel 'thrust button' case assembled modular counter shaft clusters with ground drive …
Thomas N. on Muncie Super Duty M23 Upgraded Ultra Case 4-speed Road or Drag Racing Rock-Crusher. SALE EXTENDED!!! Michael Coons on NEW Auto Gear Upgraded Ultra Case Muncie HD M22 4-Speed Rock-Crusher Street/Strip. Camaro, Corvette, Chevelle, Nova. SALE EXTENDED!!! Brett Henson on Auto Gear Upgraded Ultra Case …
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. ... You can identify several unique signs that identify an M-22 "Rock Crusher," even if it does not have a GM hallmark imprinted on its surface. Step 1.
I've run 11.55 @118.85 in a 3350# 64 Chevelle with a2.52 first gear M-20, 4.88 rear w/ spool, 28 X9 Goodyear slicks and have only broken it 3 times in 3 years.
A: Zack, I am excited that you and your father are working on a project car together. This is what makes the car hobby so great. The Muncie four-speed transmission was used with many different ...
New Auto Gear Upgraded Ultra Case Muncie HD M22 4-Speed Rock-Crusher, Camaro 4-speed 10/27 or 26/27spl. SALE EXTENDED!!! $ 3,499.00 $ 3,199.00. STRONGEST Direct Replacement M22 With NEW …
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 …
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 machine! ... You have a choice of a original completely rebuilt GM Muncie M20, M21 or M22 Rock Crusher transmission. With this new kit you also get all the hardware needed to get ...
The M21 & M22 is a four speed, RWD or 4WD transmission. 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.
The Muncie Transmission in 1963. The Muncie transmission began replacing the Borg-Warner 4-speed transmission on Wednesday, February 6, 1963, when the first Muncie 4 speed transmissions were shipped to the Baltimore Final Assembly Plant for installation into Chevrolet cars. It was thought that the Corvette received the Muncie transmission first ...
This a BRAND NEW SUPERCASE M22 4-Speed Muncie Rockcrusher Style Transmission. Each new Auto Gear transmission is built from genuine Auto Gear parts, the highest quality available. This is a BEEFY version …
Shop the American Chevy Muncie 4-speed transmission parts at low, affordable prices here at Allstate Gear. View more. ... The M22 "Rock Crusher" followed four years later. It uses stronger components to handle big-block power. The original M20 was only offered for one year. It has the GM casting number "3831704" on the case.
From 1963 to 1975 General Motors used a transmission in many of their muscle cars known as the Muncie 4 Speed. It was the transmission of choice for practically every performance-engined car made during the muscle-car heyday. ... The M22 was eventually dubbed the "Rock Crusher". It is a common misconception that all Muncie transmissions are ...
