i took another look at the intake now....with the combination of core shift in the manifold and the huge ports on the head, there may hardly be enough material to match the ports! roof and floor looks doable, but the sides will be close!
by this time the entire manifold may as well get ported....i've never done this, nor do i have the tools - and i will agree, i can easily see sinking 10 hours into this - doesn't look like a quick and dirty task i can do in a night after work.....
i guess my real question is, for a 500 hp pump gas street car, how much would i be giving up?