Identifying Muncie Rock Crusher

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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.

When was the M22 first called "rock crusher"?

I have a suspicion that rock crusher may have first been used in a late-1960s auto magazine test drive, but was hoping the historians in this group might be able to narrow it down. ... 68-9, 70-74) ALLLLLLLLLLLL Muncie cases had the SAME casting number, REGARDLESS if it was an M20 or an M21 or an M22. The casting number has ABSOLUTELY …

NEW Muncie M22 SUPER ROCK CRUSHER 4 speed …

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 SUPER …

The 1965 Chevrolet M22 Rockcrusher Transmission: The Mystical Transmission

This field test was successful and specific design changes were made to the existing Muncie transmission platform to bring M22 production units into existence. ... 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 ...

muncie m2 rock crusher transmission

For sale is a Factory Replica of the Close Ratio Muncie Rock Crusher Four Speed Transmission typically used in High Performance 1965 to 1981 Corvette`s, Camaros, Chevelles, Nova`s, El Camino`s, Impala`s, Oldsmobiles and ... Identifying Muncie 4-Speeds-Chevelle Info. Identifying Muncie 4-Speeds. Several things are needed to identify a Muncie ...

Muncie 4 Speeds

Personally, I think the angles vary from gear to gear. 1st gear on an M22 may be 19 degrees, 3rd may be 20 degrees. Also M22 gear sets were of a higher nickel alloy. The straighter angle was designed to produce less end loading of the gear train and less heat but created more noise, thus the nickname "rock crusher".

sbm/sbm muncie rock crusher identification.md at master

Muncie Rock Crusher Identification.Hot rod Wikipedia,the free encyclopedia.Rockcrusher — Muncie M22 4 speed transmission so called because of the audible. muncie rock crusher transmission identification … technical muncie identification the h.a.m.b.technical muncie identification hokey ass rock crusher m22 transmission.looks like you have a ...

m22 rock crusher trans identifying features

Muncie Rock Crusher Hotrunnersolutions Ingm muncie m rock crusher identification the m close ratio transmission is easily identified internally from the m and m versions by the angle of the gear teeth.muncie m22 rock crusher identification Mar 05, 2011 An M 22 Rock Crusher is a Muncie four speed transmission for cars made by General Motors in ...

M-22 vs. BW ST-10

C1 & C2 Corvettes - M-22 vs. BW ST-10 - How does the Muncie M-22 rock-crusher trans compare to the Borg Warner Super T-10 Power Brute transmission (the ones with a nodular iron case and high nickel gears that were offered as over the counter replacements in the 70's and 80's?? Strength, durability, ease of...

22 Transmission The Rock Crusher

Muncie 4 speed....M21, M22, Rock Crusher? | The H.A.M.B. from Southern Ok. ""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.. Actually the 3rd gear station becomes the OD and the 4th gear station becomes 3rd,so the shift pattern is a little ...

Crusher Trans Identifying

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 identify an M-22 "Rock Crusher," even if it does ...

How To Identify Chevy Four-Speed …

The Muncie four-speed was produced in two ratios: the wide ratio (M20) and the close-ratio (M21). That being said, there was a second, close-ratio version (M22) that was developed to survive duty behind engines with a …

Muncie Super Duty M23 Upgraded Ultra Case 4-speed Road …

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 M23 Upgraded Ultra Case 4-speed …

GM Muncie 4-Speed Decoding

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. The M-22 was only produced in a close-ratio version, so it will not appear on models with high rear-axle ratios (3.55 or lower numerically) unless someone has changed it.

The 1965 Chevrolet M22 Rockcrusher …

By comparing these M22 transmission assemblies to Chevrolet's 1965 transmission identification codes, I found a perfect match. This transmission identification code list was issued by the Chevrolet Facilities and Product …

'69 Z28 Transmission

P= Muncie 9= 1969 B= Feb 25= 25th day A= M/20 wide ratio It's not documented as to why "P" stands for Muncie. But it does. ... Guys always say they've got a rock crusher when they are refering to any Muncie, there are big differences as we know. The M20 is a great trans though. It is the same as the M21 except for first gear, it has a lower ...

identify rock crusher four speed trans

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Muncie M-22 Rock Crusher

Muncie M-22 Rock Crusher. ... The "Rock Crusher" was built for road racing, with the angle of the gears straightened out to prevent excessive wear in the front bearings due to the forward thrust component of the force vectors caused by the angle of the stock gear (angled to prevent noise and increase the contact patch of the gear for added ...

M-22 "rock crusher"

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! I didn't even read this on the internet, 70% of the guys at the gas station tells me this when I'm gassing up, they all had that rare 68 chevy with a corvette 327, rock crusher muncie and a 12 bolt posi that they would ...

How to Identify a M22 Rock Crusher

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.

identifying muncie rock crusher by serial number

Identifying An M22 Rock Crusher. Muncie Rock Crusher Trans. How to Identify a M22 Rock Crusher It Still Runs. 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 tr. View Details Send Enquiry ...

Converting to a M22 Rock Crusher

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.

How to Identify a M22 Rock Crusher | Cars DIY

Identifying Muncie 4 Speeds III by Paul Cangialosi

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 had the same gear …

muncie m22 rock crusher identification

Chevrolet Chevy Manual Transmission Identification. Again on the muncie, and looking at the cover, 3rd 4th gear lever is on the left 1st 2nd gear lever is on the right Further Muncie identification 3 Muncie 4 speeds were offered The M20 wide ratio, the M21 close ratio, and the "Extra heavy duty close ratio" M22, also known as the "Rock Crusher"

Guide to Muncie M20, M21, and M22 Four-Speed …

The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet's big-blocks in the mid-1960s. ... One more way to identify the Muncie is via stamped codes in the case, which indicate when the transmission was built at Muncie (see How To Read Muncie Build Date Codes chart). According to Cangialosi, the date was based on ...

Muncie M22 Rock Crusher Transmission

Find many great new & used options and get the best deals for Chevy GM Muncie M22 Rock Crusher Wide Ratio 4 Speed Transmission 26 Spline at the best online prices at eBay! Free shipping for many products! ... Identifying Muncie 4-Speeds. Muncie 4-speeds were produced in two different ratios wide-ratio (M-20) and close-ratio (M-21). An extra ...

Rock Crusher Transmission Identification

Muncie Calendar Date Codes — D.M.E. Transmissions Muncie transmission Identification Ratio Guide. ... C = 2.20 first gear Rock Crusher M22. One example code would be ( P0E21 A ) which reads: Muncie four speed aluminum for passenger car, 1970, May, 21st, ratio M20. Just For You.

M22-Wide vs M22 "Rock Crusher"

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 …

Muncie Calendar Date Codes — D.M.E.

For example P7C05 will read: Muncie four speed aluminum for passenger car 1976, March, 5th. 1969-1974 codes include a suffix letter at the end to aid in identification of transmission ratios. A = 2.52 1st gear wide ratio M20, B=2.20 …

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