if it sounds like your tumbling rocks in the tranny then its a m22 if not its a m21
nuff said lol
[EMAIL PROTECTED] wrote:
I have a '70 SS 454 coupe with a number matching engine. I restored the car to origninal condition over the past couple of years. The 4-speed transmission is not original but I am not sure if it is an M-21 or M-22.Written on the transmission housing in black marker is "M-21 Large".Not sure if this means anything. Would like to know if it is an M-21 or M-22. How can I determine which it is?Is there any difference in the housing of an M-21 and a M-22? Or are there other ways to determine if the trans is an M-21 or M-22?Thanks,
RANDY G
AKA "BIG DOGG"
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