Ok sharing a PDF link took me awhile to figure out but this should work. These are some very basic rules that are open to discussion. If there is interest we can take it to the next step. Tell me what you think--lets discuss. J.Rob
I see the rules are "any stock production cyl head exc. W2 "
So I say build a 360 Magnum which has heads that "arguably" flow as well as X or O 340 heads, have the advantage of a factory roller cam setup, are still plentiful and cheap and, are cost effective for hp per dollar spent