Muncie 4-speed Transmission (Group 4.000) - Casting Numbers ; 1964 - 1975, M21, One, 2.20 / 1.64 / 1.28 / 1.00, 2.26 ; 1967 - 1972 · M22, None, 2.20 / 1.64 / 1.28 

It was time to give the Muncie four-speed a rebuild. 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

How do I identify a Muncie M20 transmission? Another way to confirm that the transmission is original to your car is most Muncie four-speed 

To confirm this simply look at the VIN number. It will usually begin with a 18S101350 or a 28N12950. This means the Muncie was assembled December 13, 1967 for 

M22 Rock Crusher - 4 Gear Trans Muncie M22 "Rock Crusher 4 SPEEDS FROM 1965 TO 1974: This page is For identification purposes all GM M22s have seven bolts 

M22 rock crusher identification. the 2561 ratio is commonly referred to as the m20 muncie also had a second closeratio transmission designated m22 and often referred to as the rockcrusher which was used behind the highestperformance engines and in corvettes the m22 is a highly soughtafter performance transmission.

2022. 9. 12. · M22-Wide vs M22 "Rock Crusher" Oct 30, · 13,350 Posts. #3 · Oct 28, 2008. 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).

M22 transmissions can only be identified removing the selector cover(side cover) and visually identifying the straight cut gears-all other 

Guide to Muncie M20, M21, and M22 Four-Speed Transmissions ; Reverse Gear, 2.27:1 ; M22 Rock Crusher ; First Gear, 2.20:1 ; Second Gear, 1.64:1.

Muncie M22 Rock Crusher Identification. 20191213ensp0183enspmuncie m rock crusher identification. 22 muncie rock crusher 1969 hemmings price dropped from 2500 

2021. 6. 19. · Look for the “GM” sign imprinted on the transmission box to identify the manufacturer of the transmission. Check whether there are any rings around the shaft splines. An M-22 “Rock Crusher” has no rings, so if you see rings in your transmission, it means it is not an M-22 “Rock Crusher.” How can you tell if you have a M22 Muncie?