Originally posted by 740 turbo brick
After I get it ported/polished will it need bigger valves? Or should it keep the same valves and just flow more?

not necessarily, just because you get a p/p dosen't necessitate larger valves outright, they are optional and dependent upon on all the other factors of the build. i.e. your final goals, which cams, and how your p/p is done (street, strip)