You are buying 1968-69 Rebuilt 3925660 Muncie close ratio complete bolt in and go M-22 Rock Crusher 4 speed transmission set up A complete quality rebuild kit was used.

Since the M-22 was only a close ratio tranny, it was usually only available, and more compatable, with the lower ratio rearend gears such as 3.70, 4.10, etc. Now, with the …

Now,everyone thinks they have a Rock Crusher...One of my buddies is a self proclaimed "expert". ... 1970 SS 454 Chevelle (LS5+2, M22, 3.31 12 bolt) 1971 Malibu (350, M22, 3.31 12 Bolt) ... Your transmission does not have the correct 32 spline main shaft and tail housing if that is what's on it. That's an earlier 27 spline main shaft tail ...

What cars or trucks should I be looking for as a donor vehicle, or perhaps the actual transmission part # if anyone really knows their (stuff) Save Share ... That era muscle cars used the Muncy 'rock crusher' 4 speed w/ a Hurst shifter. ... 1968 Chevelle 'Nomad' Wagon 250 I-6 w/ 3 on da' tree.

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 …

Chevelle Mechanical. ... M22-Wide vs M22 "Rock Crusher" Jump to Latest 21 - 38 of 38 Posts. 1 2. H. Hi-po SS 454 · Premium ... Your old parts are fine. The updates are a decision to assure the consumer is getting an Autogear transmission and not just an Autogear case with new Taiwainese gears which seems to be a growing trend on Ebay.

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 which the gear teeth were cut.

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.

Muncie M22 4-Speed-Rock Crusher Transmission - FRESH Muncie M22 Rock Crusher 4 Speed Transmission 2.20 1st Gear Close Ratio 26/32 Spline Main Case 3925661 Tail Housing 3978764 Side Cover 3952648 ... A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Come join the discussion about restorations, builds, performance ...

GM Muncie transmission rebuilt and guaranteed for 1 year. Correct fit for all 1967 - 1968 model Chevelles and Novas. This one will have the studs coming out from the side where your shifter linkage mounts. This is the Muncie M-22 …

Information Exchange. Bench Racing. M-22 "rock crusher"

We are restoring a 72 Chevelle SS and would like to use a Muncie "Rock Crusher". Is there anyone out there that and tell me the difference between a Muncie M22W and a M22 Rock Crusher. I have tired to look online but not finding anything to help. I …

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 ! ... A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting ...

The Muncie four-speed is as legendary as the cars that it was put into, with the M20, M21, and Rock Crusher M22 models all part of the hot rod vernacular.

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.

This is a Very Rare and Completely Freshly and Professionally Rebuilt Original REAL 1968 68 GM Chevy, Corvette, Camaro, and Chevelle M22, (M-22), Muncie Close Ratio Rock Crusher 4 Speed Transmission. It is a from a 1968 Camaro …

Shop Muncie Vintage Car & Truck Transmission & Drivetrain with eBay Guaranteed Fit. Great deals. Massive selection from top brands on eBay

We here at Team Chevelle want you to be able to stop by again! 2. Types of transmissions a. The M20 Muncie is a wide ratio 4 speed transmission. b. The M21 was a close ratio transmission (and as far as I know was the most common). c. M22 transmissions are also close ratio and are the ones called the "rock crusher".

'66 Chevelle SS396 L-78 M-20 4-speed 4.10 posi Black-on-Black numbers matching (SOLD!) '67 Cutlass with a 540 '67 Camaro (SOLD) '65 Biscayne 2-dr post (kind of a BIG Chevelle) Vega S/G (For Sale with REAL nice 18 degree SB motor parts and a 9.40 350 in it.) several Olds 442's (funny lookin' Chevelles) (2 sold)

Hi, I bought a Muncie M22 to replace my M20. I am going with a big block and want the most sturdy one. And the rock crusher sound is neat too. Casting: 3925660 Years: 1968 - 1970 Input shaft has no rings : 1967 - 1972(2) M22 None 2.20 / 1.64 / 1.28 / 1.00 2.26 But looking inside I am not...

For sale is a professionally built 1968 dated Muncie M22 4 speed with the driver side speedo tail found in GTOs, Chevelles, Impalas, earlier Corvettes, and other GM vehicles. 10 spline input, …

1967-1972 Camaro & Firebird M22 Muncie Rock Crusher Transmission 1st Gear: Muncie M-22 Rockcrusher 1st gear. Correct for 2.20 Close Ratio Rock cru

This is a Very Rare and Completely and Freshly Rebuilt M-22 Transmission with REAL GM Rock Crusher Gears for 1970 1971 and 1972 GM Vehicles including, Chevy, Corvette, Camaro, Chevelle and other GM vehicles of that vintage These first came out in the 1970 Chevelle with the fine spline input and they were then released in the 1971 and 1972 Corvettes and other GM …

The stock Muncie in my old 66 SS396 didnt last very long, I ended up putting a rock crusher behind it. I dont think it (saginaw) will handle much torture. ... 1968 Chevelle Sb 1969 Chevelle 496 1973 SS 454 Chevelle 1974 S-3 454 Chevelle 1955 Delray LS1 1967 Nova 496 1969 nova 427 1969 Camaro 350

This is a Very Rare and Completely and Freshly Rebuilt Original REAL 1965 65 1966 66 1967 67 1968 68 1969 69 and 1970 70 GM Chevy, Corvette, Camaro, and Chevelle M22, (M-22), Muncie Close Ratio Rock Crusher 4 Speed …

Many people know about Muncie transmissions and the famous M22 "rock crusher" transmission that has straighter cut gears that allows you to bang the gears without pushing in the clutch. ... 1968-'70: Patent Number, 1.000-inch Countershaft Bore Large Input Bearing: 3925661: ... Chevelle & El Camino, Camaro, & Nova Get Yours Free.

General Chevelle Tech Area. Performance. EFI

69 Chevelle SS396 L78 4-speed, Post Sedan, Black W/black vinyl bench seat. (Under restoration) 69 Chevelle SS396 L78 4-speed Post Sedan, Silver, black vinyl bench seat. Berger car 70 Chevelle SS454 LS6, M22, 4.10, Forest Green, Green buckets. (Nearing completion) 69 Chevelle SS 396 L35 Post Sedan, Silver, Blue bench, 4-spd (Sold)

1968 Muncie M22 Rock Crusher 4 Speed 2.20 Close Ratio Transmission Driver Speedo. Apollo Performance Transmission (1288) ... Rb25det Nissan Skyline Er34 OEM 5 Speed Manual Transmission 663151206; 1968-1972 Chevelle Tremec TKX 5 Speed Deluxe Kit; GM LS T56 Magnum 6 Speed Tremec Transmission (TUET11009)

The transmission was assembled December 13, 1967 for the 1968 model year. Likewise a P8S28 stamp means 1968 (8), September (S), 28th of the calendar year 1967 for a 1968 Chevelle. See second example below.