Quote:
Originally Posted by Vegas69
A 540 will take you into aftermarket block territory. There was a recent article in one of the magazines on a 502 build up. Just a set of Dart Pro 1 heads like I run, around 10-1 compression, and not an overly radical cam. It made like 670hp and around 640 ftlbs. I looked for the article and couldn't find it. I'm sure Mike will point you in the right direction.
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There was an article probably 10+ years ago where the late John Lingenfelter put ported oval port heads on a stock 502 with a decent size cam and made 660-670 hp, so it is pretty easily done and remains very street friendly.
Again, you could duplicate very easily with a 496 as well. Lotsa options here!
EDIT: here is the simple Lingenfelter 502 article.... wow, from 1993!
http://www.derekspratt.com/PDFs/Auto...ary%201993.pdf