Quote:
Originally Posted by Igofastr
there are lots of 390s with enough material to bore out. Just do the ole 1/8th drill bit test followed by sonic testing.
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Ron, I think you have the 428 and 427 blocks confused. While there are some 390 blocks that will go to a 428 bore I'm not aware of any that will go to the larger 427 bore. If I'm wrong on this you guys can call me out, but I don't think so.
Steve