small block build ?

It would probably make 400-425 with a set up like you mentioned using a 60404 lunati/ede's/air gap and a 750dp. A 2.02 RHS iron X head would work great on that as well

W2's are great as long as you want to spend the money to port them cause they aren't really great OOTB and $$$ for rocker gear, special intake/headers.