Magical Muncie Four-Speed
Diagram shows the parts and basic workings of a GM Muncie 4-speed. This worn out Muncie synchro hub is of a type used from 1966-1974. The 27-spline tail shaft housing. Some Muncie parts are very valuable to …
Mucncie 4 Speed Identification Page---National Nova …
The main difference between the Muncie and the Borg-Warner is that the Muncie has a 7-bolt side cover and the Borg Warner has a 9-bolt side cover. Muncie 4-speeds were produced in two different ratios wide ratio (M-20) and close-ratio (M-21). ... In addition, many GM high-performance engines came with M-22 "Rock-Crusher" in the 1970-73 ...
Muncie transmission. | GM Square Body
— The SM420 and SM465 are both Muncie transmissions, but Chevy also used Allison and Borg-Warner transmissions, as well as M-20, M-21 and M-22 "Rock Crusher" Muncie transmissions in high-performance cars. My guess is he was talking about the M-20/21/22 transmissions, since they had a shift pattern like that.
Muncie 4-speed Transmissions
The easiest way to identify a Muncie transmission is by its side cover. Muncies have seven bolts, two bolts on the bottom, three on the top and one down each side. There are also …
The 1965 Chevrolet M22 Rockcrusher Transmission: The Mystical Transmission
— 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. ... The 1964-65 Muncie transmission main case casting number was #3851325.
Mucncie 4 Speed Identification Page---National Nova …
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.
M21 M22 4 Speed Muncie Manual Transmission
— Having issues diagnosing problems with your M21 M22 4 Speed Muncie Manual Transmission? we can help. ... Rebuilt Transmission M22 1966-1974 Rock Crusher MTGM038. ... (Bolt Type) TRS18-598-005 Cover (Center Support) (Iron) TRS18 ...
The Story of the Mighty & Majestic Muncie 4 Speed …
The M22 was eventually dubbed the "Rock Crusher". It is a common misconception that all Muncie transmissions are "Rock Crushers", but it is only the M22 that deserves that name. The M20 and M21 were both release in 1963, but it wasn't until 1965 that the M22 hit the market. The M22 was created for the Corvette Grand Sport racing program.
manual trans (ZF 6) questions
— As i understand the bolt pattern on the bellhousing works for a first gen small block, making it an easy swap. ive been looking at a few websites including the forums on here, ... similar to the difference between the Muncie "Rock Crusher" transmissions and the standard Muncies of old. The Blue tags were manufactured in the USA, and the Black ...
Raceline Wheels 887B ROCKCRUSHER Wheel Black 15X8"5X4.5 Bolt Pattern …
This item: Raceline Wheels 887B ROCKCRUSHER Wheel Black 15X8"5X4.5 Bolt Pattern -32mm Offset/(3.25"B/S) Aluminum Passenger Car Wheels, Full Size Replacement Black Car Rims . $167.56 $ 167. 56. Only 1 left in stock - …
How to Identify a Muncie Four Speed: Build Date Codes
— 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 ...
LS Swap Guide: GM 3 Speed / 4 Speed Parts List
— These are typically found in 70's GM cars and trucks. This Bellhousing has the correct transmission bolt pattern except for one upper bell housing bolt hole to adapt a 4-speed to an LS-series engine. Classic Industries offers an adapter Bellhousing that is basically a 621 housing with all bolt holes that are required when using an LS series ...
Muncie 4 Speed Transmissions
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 …
sbm/sbm muncie rock crusher bolt pattern.md at master
``` sbm muncie rock crusher bolt pattern15 rock crusher 14 bolt hubs Raceline Rock Crusher Wheel Polished Aluminum … Diese Seite übersetzen.raceline rock crusher polished aluminum finish 15x10 5x114.3 4.5" bolt pattern 47mm offset **free shipping** Warranty Information Manufacturer's Lifetime Structural Warranty & 1 Year Finish …
Muncie Parts
NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00. No Price Muncie Overhaul Kit. Complete overhaul kit for Muncie 4 speed transmissions. Must specify if your transmission has a 1" or 7/8" cluster shaft (pin) 7/8" kit comes with NON stepped synchronizer rings. Please scroll down to order extras (cluster pin, wrench,sliders etc) …
GM's muncie vs Ford's toploader | The H.A.M.B.
— The Muncie is either a 2.20 or a 2.54 low ( 1st gear ) The Muncie seems to shift a little slicker but the I would go with a Ford Top Loader. Many years ago when I ran a BBC drag car ... I broke a few Muncies. Then I adapted a Ford Top Loader and stopped the breakage ... I also like the lower first gear. Down side is that the Ford Top Loader is ...
Muncie 4-Speed Identification Guide
Just three types of Muncie 4-speeds are available based on the RPO (regular production option) code used when a car was ordered: the M20 (standard wide-ratio), M21 (close-ratio), and M22 (heavy-duty close-ratio). (The M does not stand for "Muncie.") Typically, when you ordered a …
Magical Muncie Four-Speed
The difference between a Muncie and a Borg-Warner is the Muncie's 7-bolt side cover (two less than Borg-Warner units). Many Muncie main cases, tail housings and side covers have casting date codes. The code consists of two ½-in. circles divided in half. ... People think all Muncie four-speeds are Rock Crushers, but they're not.
Muncie 4 Speeds
Serial numbers for Muncie 4 speeds always begin with the letter "P". P stands for Muncie Plant. ... 335308 Long boss bolt on type with neutral safety switch. Some have a boss for the switch that is cast but not machined on 1-2. Casting: 3831704 Years: 1963 Only Ratios: M20 2.56 1st, M21 2.20 1st ... thus the nickname "rock crusher". The higher ...
1969
1969 - 1973 Muncie Four Speed Transmission M-22 Rockcrusher Complete original GM Muncie transmission rebuilt and guaranteed for 1 year. Correct fit for all 1969 - 1973 model Chevelles and Novas. This one will have the holes on the side where a bolt will secure your shifter linkage levers. This is the Muncie M-22 Rockcrusher four speed.
Muncie 4-speed Transmissions | The Online Automotive …
— 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. …
Muncie 4 Speed Transmissions
How to Identify Muncie 4 Speed Transmissions. 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 …
How to Identify a M22 Rock Crusher
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.
1967
1967 - 1968 Muncie 4 Speed Transmission, M-22 Rockcrusher Complete original GM Muncie transmission rebuilt and guaranteed for 1 year. Correct fit for all 1967 - 1968 model Camaros. This one will have the studs …
Muncie 4-Speed: The Complete History
The shifter bolt pattern does not allow early linkage mounting plates to bolt to it. You have to shorten the driveshaft; of course, you also have to change the clutch disc and driveshaft …
The 1965 Chevrolet M22 Rockcrusher …
— The 1964-65 Muncie transmission main case casting number was #3851325. It was designed for the use of the 7/8″ countergear pin inside the transmission assembly. To manufacture the M22, the …
Midwest Muncie | Muncie 4 Speed Transmissions And …
Recent Comments. Randall D Resler II on Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4-speed. Perfect Performance with 2.73 to 3.42 Rear End Gears. SALE EXTENDED!!! Jeff Collins on Muncie Super Duty M23 Upgraded Ultra Case 4-speed Road or Drag Racing Rock-Crusher. SALE EXTENDED!!! Thomas N. on Muncie Super Duty …
How strong is a muncie
— that 572 is going to crack that muncie like an egg. i hear stock muncie rock crushers are rated at 375 foot lbs...which is like a nice 350 without aluminum heads. big torque requires an expensive clutch and standard transmission. a turbo 400 is a safer bet...all i know is that torque breaks stuff and torquey shock loads break stuff quicker.
Muncie 4 speed....M21, M22, Rock Crusher? | The H.A.M.B.
— ""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 d,1-2-4-3.
How to Identify a Muncie Four Speed
— 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.
NEW Auto Gear Upgraded Ultra Case Muncie HD M22 4-Speed Rock-Crusher
Recent Comments. Randall D Resler II on Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4-speed. Perfect Performance with 2.73 to 3.42 Rear End Gears. SALE EXTENDED!!! Jeff Collins on Muncie Super Duty M23 Upgraded Ultra Case 4-speed Road or Drag Racing Rock-Crusher. SALE EXTENDED!!! Thomas N. on Muncie Super Duty …