M22 Rock Crusher Repair

M22 4 speed rock crusher

I have a 1970 m22 close ratio 4 speed from a 1970 ls6 I owned back I the 80s. Here is the info. ... 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 a retrofit kitted TKX for 5 000$.

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Rock Crusher identity

They used this to reduce friction and in turn gave it a nice greary noise thus the rock crusher. Chris . ... m22 The only way to be sure is to pull the side cover and check the gear angle like the others have stated. Depending on the year of the transmission there are some things to look for, but as vince stated if the parts were swapped ...

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Muncie 4-Speed Transmissions: How to Rebuild …

Muncie M22 Rock Crusher Input 26 Spline $ 175.00 – $ 185.00 Select options This product has multiple variants. The options may be chosen on the product page

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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.

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When was the M22 first called "rock crusher"?

I became aware of the nickname, likely a motorhead created comparison of the rugged transmission to rock quarry equipment, when, in late '68, a buddy traded a whipped '66 SS396 for a disaster of a 1962 Corvette with a 1965 396/425 engine and an M22 transmission, 4;56 ratio '62 style rear end, unbelievably cobbled shifter, cooling system and ...

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1969 CAMARO Z28, MATCHING #'S DZ-CODE 302 & M22 ROCK CRUSHER …

it also retains its numbers matching muncie m22 rock crusher 4-speed transmission and its original 12 bolt posi rear-end with factory 4.10 gears. car is finished in its code correct 52 garnet red paint with white rally stripes. also has its correct code 718 red interior - very rare color combo on this z28. has front power disc brakes, factory ...

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GENERAL MOTORS MUNCIE 4-SPEED MANUAL …

L30-s36T: except M22 3831746 WT297-21 L30-s36T: M22 'Rock Crusher' 3879999 WT297-21A A17 Mainshaft 3rd Gear L27-s36T: except M22 3831747 WT297-11 L27-s36T: M22 'Rock Crusher' 3880845 WT297-11A A18 Mainshaft 3rd/4th Synchronizer Assy synchro rings w/o support shoulder (1963-65) 3887887 3887887

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New Auto Gear Upgraded Ultra Case Muncie HD M22 4-Speed Rock-Crusher

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 ROCKCRUSHER FOR YOUR CAMARO, NOVA, CHEVELLE, CORVETTE, GTO,442. THE MAIN CASE IS THE STRONGEST MADE with fill and drain…

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M22 Rock crusher

First Generation Camaro Info and Tech - 1967-1969. Transmission & Driveline

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M-22 "rock crusher"

I explain this in detail, because like so many BS stories that have occurred over the years, the M22//Rock Crusher is one of them that continues to be perpetuated by "armchair" experts. Originally, the M22 was ONLY a close …

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Muncie 4-Speed: The Complete History

The lower gear is the latest version of the early T10 and the upper is the Muncie M22. Note how the Muncie gear is physically longer than the T10. The reason for these design changes was simply to meet the demand for increased torque …

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Complete Guide to Muncie Transmissions

The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet's big-blocks in the mid-1960s. The M20 and M21 transmissions produced from 1963-'74 are easy to identify in both wide- and …

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How to Rebuild Muncie 4-Speed Manual Transmission M20 M21 M22 Rock Crusher

Transmission expert and veteran author Paul Cangialosi has created an indispensable reference to Muncie 4-speeds that guides you through each crucial stage of the rebuild process. Comprehensive ID information is provided, so you can positively identify the cases, shafts, and related parts. It discusses available models, parts options, and gearbox …

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M22 oil?

i have an m22 rock crusher, i'd like to change the oil, but im not sure what type of oil (weight) to put into it? 80/90? ... matching # M22 w/CF dual friction clutch. Holley 750 HPs dp(82751) on Weiand Stealth & MSD Pro billet HEI Hedman …

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M22-Wide vs M22 "Rock Crusher" | Page 2

M22-Wide vs M22 "Rock Crusher" Jump to Latest 21 - 38 of 38 Posts. 1 2. H. Hi-po SS 454 ... The M22W set manufactured by Autogear was designed to be a better alternative to the M22 since most do not like the 2.20 1st gear ratio of the M22. It also has a better ratio spread then a conventional M20. It maintains the M22 gear helix angles.

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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 …

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70 LS5 with M22 rock crusher option

The only transmission avalable with LS5-LS6 Your choice T-400 or an M22. All 70 454s Vells had a M-22 or a T-400. Bob- 70- SS 454 M 22- Org. owner ACES 2825

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MUNCIE 4 SPEED TRANSMISSION REPAIRS AND REBUILDS …

Muncie M20 for sale, M21 ready soon and an M22 close ratio transmission available in April/May 2021. We rebuild and repair Muncie, Borg Warner T10 / SUPER T10 and Saginaw 4 speed …

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

There are two ways you can tell the difference between the M21 and the Rock Crusher. The M22 has 27 teeth on the countershaft gear, while the M20 and M21 have 29 teeth. M20 …

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How to Build a Bulletproof Muncie M22 Four-Speed …

The Muncie M22 is known as the Rock Crusher. See how we improve its strength and versatility by adding a Gear Vendors Overdrive. Cam Benty Writer John McGann Photographer Nov 04, 2022.

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Muncie 4-Speed Transmissions: How to Rebuild and Modify

Muncie M22 Rock Crusher Input 26 Spline $ 175.00 – $ 185.00 Select options This product has multiple variants. The options may be chosen on the product page

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Muncie 4 speed....M21, M22, Rock Crusher? | The …

Muncie 4 speed....M21, M22, Rock Crusher? Discussion in 'The Hokey Ass Message Board' started by Buzznut, Jun 26, 2008. Page 1 of 2 1 2 Next > Joined: May 9, 2008 Posts: 2,349. Profile Page. Buzznut. Member. …

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1962-1965, Chevy Nova, Backyard Builds Group

Just sharing my Boring 63 SS, Straight axle, ford 9 inch, M22 Rock Crusher, dual tunnel ram 454 Nova And hey Merry Christmas 1962-1965, Chevy Nova, Backyard Builds Group | Just sharing my Boring 63 SS, Straight axle, ford 9 inch, M22 …

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69 DZ302/M22/4.56 Gears....Thinking of Gearvendors...

Hi, January 2019 I bought a 69 Z28 with a Rock Crusher tranny, Headers & a 4.56 Gear. I never really thought I would own a first gen, I was just too picky, but this was what I would have wanted. ... M22 and TKO third gear is 1.28 (about 37mph at 3k) M22 and TKO fourth gear is 1.0 (about 48mph at 3k) M22/gv fifth is 0.78 (about 61mph at 3k) TKO ...

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muncie m21 vs m22

I have heard that the m22 "rock crusher" is the best tranny for high horsepower applications. What about the m21? How reliable is a rebuilt m21 in mid to high horsepower applications? ... M22 is superior, but at the expense of a little more gear noise. For what M22's are going for these days it makes no sense to buy one unless you are doing a ...

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M20-M21-or M22

A young guy would bring his car into his shop for a trans rebuild/fix and say the trans was an M-22 rock crusher. Well he would swap out the gears putting in a cheap set of M-21 gears (same ratio ) and then fixing the synchronizers that was the problem to begin with and KEEPING THE m-22'S.

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Muncie M22 Rock Crusher 4 speed

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.

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Racing Clutch Hydraulic Throwout Bearing, for Chevy …

APPLICATION -- Suitable for most Chevrolet, BOP, and GMC manual 3 & 4 speed transmissions. For Muncie M20, M21, and M22 "Rock Crusher" 4-speeds, For Saginaw 3 & 4-speeds, For Borg-Warner T10 and Super T10 4-speeds, For Jerico 2 & 4-speeds, For GM-spec Tremec TKO-500 and TKO-600 5-speeds. ... Camoo's Auto Repair Part . And then we slowly …

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M21 M22 4 Speed Muncie Manual Transmission

Having issues diagnosing problems with your M21 M22 4 Speed Muncie Manual Transmission? we can help.

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M22 Rock Crusher?

Upon getting into the restoration I noticed he had an M21 bellhousing attached to a muncie 4 speed. i called him and asked him if he knew what kind of Muncie it was, he steadfastly said it was an M22 Rock Crusher. Now,everyone thinks they have a Rock Crusher...One of my buddies is a self proclaimed "expert". I gave him the numbers including a ...

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