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General Discussion / Re: 1969 302 DZ/CNA Block

« on: February 28, 2018, 01:38:13 AM »

I realize this is an older post but I read in a Chilton's manual that some late production 1969 z28 302's were stamped CNA because they were produced in early 1970, and from 1970 on all engines had 3 digit codes.