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Muncie Rock Crusher

Muncie four-speeds Hemmings

Muncie also had a second close-ratio transmission designated M22 and often referred to as the "rock-crusher," which was used behind the highest-performance engines and in Corvettes, the M22 is a highly sought-after performance transmission. It is the heavy

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 transmission, your car may not function properly.

Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher Style

This a BRAND NEW SUPERCASE M22 Muncie Rockcrusher Style Transmission. This is a BEEFY version of the original Rock Crusher transmission. Most all the weak points of an original Muncie have been solved by the Super-Case design. The Supercase has

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

Aug 08, 2018 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

Muncie 4 Speed

M20 tooth count 25, 22, 19, 17 There are 7 different input shaft possibilities on a Muncie. All 26 spline inputs came with 32 spline output shafts and all 10 spline inputs came with 27 spline output shafts. It is commonly mistaken that all "fine spline" 26 spline

Muncie 4 Speed Transmissions

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?

NEW Auto Gear Super Case Muncie M22 4-Speed Rock-Crusher

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 = 2.56-1st, 1.75-2nd, 1.36-3rd, 4th direct or comp M22w 2.56-1st, 1.90-2nd, 1.48-3rd. Built for

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

Aug 03, 2018 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....

Muncie 4 Speed

M20 tooth count 25, 22, 19, 17 There are 7 different input shaft possibilities on a Muncie. All 26 spline inputs came with 32 spline output shafts and all 10 spline inputs came with 27 spline output shafts. It is commonly mistaken that all "fine spline" 26 spline input

Magical Muncie Four-Speed Hotrod Hotline

The M22 is called the Rock Crusher. “Dump the Rock Crusher,” hot rodders say. 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 units.

Muncie 4 Speed Transmissions

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?

Muncie 4-speed Transmissions Hemmings

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 highly sought-after for performance applications. The term "rock crusher" refers to the noise made by the meshing of the stronger helical gears in the M22.

The 1965 Chevrolet M22 Rockcrusher Transmission: The

Sep 15, 2010 A Chevrolet Engineering Change Recommendation #68715 was issued on December 19, 1964, that proposed the changes required to change the M20-21 into the M22 rockcrusher transmission. This ECR is referred to several times through the 1965 Corvette A.I.M. (Assembly Instruction Manual) with the date stated on the A.I.M. sheets as April 23, 1965.

How to Identify a Muncie Four Speed: Build Date Codes

Jul 29, 2016 Last time we talked about how to distinguish a Muncie four-speed transmission from a Saginaw or BorgWarner and the different types of Muncie

1970 CHEVROLET CHEVELLE 454CI LS6 MUNCIE ROCK CRUSHER

Correct 1970 4-bolt 454/450hp block, M22 4-speed Rock Crusher Muncie transmission and original LS6 CRW 410 12-bolt posi-traction rear end. It also has a 6,500 rpm redline tachometer, bucket seats, console, ZL2 cowl-induction hood and original 14" SS Rally wheels with wide-oval tires. • FRAME OFF RESTORATION IN 2016

Muncie Parts The Gear Box

NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2399.00. 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) From $114.95

Muncie 4-Speed Identification Guide Chevy DIY

The first Muncie case was number 3831704. It had a 7/8-inch countershaft bore and used a 6207-type front bearing. All ball bearings have standardized numbers used by the bearing industry. The 6207 bearing’s dimensions are 35-mm bore, 72-mm outside diameter, and 17-mm width.

NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2399.00

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. The Gear Box Transmissions Muncie-Tremec-Saginaw-TKO-Top Loader-Richmond

Midwest Muncie Muncie 4 Speed Transmissions And Rebuild Kits

Recent Comments. steve cooke on Muncie Super Duty M23 Super Case 4-speed Road or Drag Racing Rock-Crusher. MARCH SPRING SALE ON NOW!!! Mark A Jones Deltona Florida on Auto Gear Super Case M22Z Rock Crusher 4-speed. Perfect Performance with 2.73 to 3.42 Rear End Gears. MARCH SPRING SALE ON NOW!!!

Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher Style

This a BRAND NEW SUPERCASE M22 Muncie Rockcrusher Style Transmission. This is a BEEFY version of the original Rock Crusher transmission. Most all the weak points of an original Muncie have been solved by the Super-Case design. The Supercase has extra casting in all the known weak areas.

Muncie 4 Speed

M20 tooth count 25, 22, 19, 17 There are 7 different input shaft possibilities on a Muncie. All 26 spline inputs came with 32 spline output shafts and all 10 spline inputs came with 27 spline output shafts. It is commonly mistaken that all "fine spline" 26 spline input

The Mighty & Majestic Muncie 4 Speed Transmission Wilson

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.

Muncie 4-speed Transmissions Hemmings

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 highly sought-after for performance applications. The term "rock crusher" refers to the noise made by the meshing of the stronger helical gears in the M22.

Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher Style

This a BRAND NEW SUPERCASE M22 Muncie Rockcrusher Style Transmission. This is a BEEFY version of the original Rock Crusher transmission. Most all the weak points of an original Muncie have been solved by the Super-Case design. The Supercase has extra casting in all the known weak areas.

Muncie Rockcrusher Team Camaro Tech

Mar 25, 2010 You have to pull the cover & look at the gears to see if it's really a "rock crusher" I wish I had a buck for every guy who thought he had one when all it was was one of the later Muncies with the fine spline input shaft & TH 400 style output. Last real M22 I

Muncie Parts The Gear Box

NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2399.00. 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) From $114.95

1970 CHEVROLET CHEVELLE 454CI LS6 MUNCIE ROCK CRUSHER

Correct 1970 4-bolt 454/450hp block, M22 4-speed Rock Crusher Muncie transmission and original LS6 CRW 410 12-bolt posi-traction rear end. It also has a 6,500 rpm redline tachometer, bucket seats, console, ZL2 cowl-induction hood and original 14" SS Rally wheels with wide-oval tires. • FRAME OFF RESTORATION IN 2016

Muncie 4-speed Chevelle Stuff

The M22 transmission has a 20 degree helix angle on the gear set as opposed to a 45 degree angle found on the M20 and M21 and were made with 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" was born.

Muncie 4-Speed Identification Guide Chevy DIY

The first Muncie case was number 3831704. It had a 7/8-inch countershaft bore and used a 6207-type front bearing. All ball bearings have standardized numbers used by the bearing industry. The 6207 bearing’s dimensions are 35-mm bore, 72-mm outside diameter, and 17-mm width.

Stock Muncie torque/hp rating? Team Camaro Tech

Dec 19, 2008 The new generation Muncie M22 with all the bells and whistles would probably work pretty good with a clutch that slipped a little. 2002 Jerry Bickle Cavalier, 446" Small Block, Brodix Canted Valve, lenco 5 speed, 7.54 @ 180. mph,1.06 60', 2235 lbs for 2014.

Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher Style

This a BRAND NEW SUPERCASE M22 Muncie Rockcrusher Style Transmission. This is a BEEFY version of the original Rock Crusher transmission. Most all the weak points of an original Muncie have been solved by the Super-Case design. The Supercase has extra casting in all the known weak areas.

How to Identify a Muncie Four Speed Hot Rod

Jul 05, 2016 Muncie four-speeds were produced in two different ratios: the wide ratio (M20) and the close-ratio (M21). There also was a second, heavy-duty close-ratio version: the "Rock Crusher

Synchromesh and Muncie 4-Speed Transmission

The M22 is called the Rock Crusher. People think all Muncie four-speeds are Rock Crushers, but they're not. The M20 and M21 came out about the same time in 1963, but the M22 didn't come out until 1965. It was developed for the Corvette Grand Sport racing program.

Chevy Muncie M20, M21 & M22 4-Speed Transmission Parts

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.