[Drsagacity]

Head over to the forced induction section and I bet you will get the answers you want. It does seem that here are several people running about 10psi to get in the 600rwhp range on stock internals. There is also a group of people who are saying, stay under 575rwhp with the stock system.

Ted Jannetty is one of the best people to ask and he has some really great threads where he discusses the specific limitations of the fuel system.