GENERAL MOTORS MUNCIE 4-SPEED MANUAL …

4-SPEED MANUAL TRANSMISSION ASSEMBLIES, GEARS & PARTS APPLICATIONS: GENERAL MOTORS 1963-1974 GENERAL MOTORS (HIGH PERFORMANCE) AUTO GEAR EQUIPMENT ... L26-s36T: M22 'Rock Crusher' (1971-74) 3978761 WT297-16Z NOTE: these (3) gears used with 26 spline clutch. B2-2 Maindrive Oil Slinger all …

M22 4 speed rock crusher | Team Chevelle

Put the transmission in 2nd gear and remove the side cover to view the helix angle of the gears and the condition of the synchro engagement teeth. ... Spending" 3000$ on a bolt on, period correct, grin inducing almighty and mythical transmission that is the great Muncie M22 Rock Crusher makes more sense for many compared to buying …

NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00

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.

New Auto Gear Upgraded Ultra Case Muncie HD …

STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR Upgraded Ultra CASE With The Strongest M22w WIDE RATIO or Close Ratio Gears for a 4 SPEED TRANSMISSION. A GREAT HEAVY DUTY …

MUNCIE M22 "ROCK CRUSHER"

Finally, a show car transmission worthy of your SHOW CAR OR STREET VEHICLE. The M22! This iconic transmission is based upon the infamous "ROCK CRUSHER" Transmission made famous in the 60`S AND 70`S by being installed in the L-88`S, BIG BLOCK 425 HP Factory Muscle Cars and HOT RODS of the past. The M22 has all new …

Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4 …

STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR ULTRA CASE With The Strongest M22z ULTRAWIDE RATIO 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 …

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 coming out from the side where your shifter linkage mounts, like pictured. This is the Muncie M-22 Rockcrusher four speed.

Muncie 4 Speed Transmissions

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. The reason you may ask?

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. ... We use original M22 Cases and M22 Gear Sets or rebuild them with our aftermarket M22 Gears when the original gears are too worn to be re-installed. Please Note - If you are having …

How To Identify Chevy Four-Speed Transmissions

The M20 and M21 used a gearset with a more angled tooth design on each gear (left). The M22 Rock Crusher used a gearset that features less of an angled-tooth gearing (right). Images courtesy chevelles. The gear ratio of the Chevy four-speed transmission placed in any car was usually determined by the engine size and rearend …

NEW Auto Gear Upgraded Ultra Case Muncie HD M22 4 …

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 = …

1969 Camaro 4 Speed Muncie Transmission Conversion …

NEW, Complete 69 Camaro Muncie 4 Speed Conversion Kit now available! This kit will get you basically 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.

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.

1967

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 rebuilt GM Muncie M20, M21 or M22 Rock Crusher.

Chevy Transmissions: Muncie 4 Speed M22 Rockcrusher..

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.

M-22 "rock crusher"

He mentioned he had a M22 rock crusher in his car, and how rare it was because only a few of the M22's were "Rock Crushers". I am by far an expert, but I have never heard of this before. ... If the transmission is in the car, and there is NOT a part number tag attached to one of the side cover bolts, NO, there is no way to tell if it is an …

American Chevy Muncie – M20, M21, M22 | Allstate Gear

However, the Rock Crusher was only equipped in cars that had high-performance big blocks, including the Corvette, Camaro, Firebird and Chevelle. Thanks to the similarities between the M20, M21 and M22 transmissions, you can use a combination of Muncie 4-speed transmission parts to build the transmission you want for your project car.

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

The M22 Rock Crusher 26-spline input shaft sports a wider gear for greater torque capacity. Just because you've found a 26-spline input shaft does not mean you've found an M22 input shaft, which is made of a stronger alloy. The standard 10-spline input shaft found its way into new Muncie M20 and M21 transmissions from 1971-'74. 9.

M22 Identification | Team Chevelle

This bumbed me out since I had previously read that this was an indication that it was a Saginaw not a Muncie. It does have a 7 bolt side cover. Doe this mean it's still an M22 but just manufactured at the Saginaw assembly plant or it's not an M22 "Rock Crusher Transmission". I am just learning !

The Muncie 4 Speed Transmission Taught A Generation Of

How to Identify a M22 Rock Crusher | Cars DIY

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 …

Muncie M22 Rock Crusher 4 speed | Hot Rod Forum

I do not claim to be a transmission expert and could be wrong but the "real" rock crushers had straight cut gears....not helical cut gears. I believe they were first released by GM in 1969 or 1970. I had one in my 1970 Chevelle SS 454-450HP LS6 car. I bought it new. The Rock Crusher was very noisy due to the straight cut gears.

The Muncie 4 Speed Transmission Taught A Generation Of …

The Muncie transmission and the T10 are visibly very similar, but it's the differences that would make GM's newcomer an enduring force for muscle fans. ... the Bowtie brand was able to test the Muncie enough to develop a newer version that eventually hit the streets as the M22. The M22 'Rock Crusher' featured a one-inch …

Muncie M22 Rock Crusher for sale | eBay

Muncie M22 Rock Crusher Transmission Blueprinted By "Old Man Engineering" Opens in a new window or tab. New (Other) $2,295.00. or Best Offer. Free local pickup. derosnopS. photo35m (376) . 68-69 C3 Corvette M22 Muncie 4Speed "ROCK CRUSHER" Trans-10 Spline Italian Gears. Opens in a new window or tab. Remanufactured.

NEW Muncie M22 SUPER ROCK CRUSHER 4 speed …

Transmission Yokes: M5R1 / M5R2: Clutch Packs: GEARBOX TEE SHIRT: Miscellaneous: Discontinued, Used, Sale. 1st gear: Shipping: Contacts: Instructional Videos: MT82: Muncie Parts > NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00. NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00. View …

Muncie 4-Speed Identification Guide

Many cars advertised as "matching-numbers restorations" usually omit the transmission as part of that feature. I created a Facebook page at This page is in place to support this book and …

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 angle at …

The 1965 Chevrolet M22 Rockcrusher Transmission: The …

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 …

Muncie 4-Speed: The Complete History

This is the current Muncie M22. Your can see that the layout of the geartrain is identical to the ST10's. All gears and synchronizers are in the same position. Notice how the angle of the M22 gears is much straighter than on the ST10. The noise level increased because of this angle, giving the M22 the nickname "RockCrusher."

The Story of the Mighty & Majestic Muncie 4 Speed Transmission.

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.