help prv v6 3.0 12v 170 hp performance

Hi
sorry for my english
i am from uruguay

I wonder if they can help me with this car.
I found that Mr. John Lane, prepared these motors 500 hp

My intention is to start 300 hp.
come looking for information for months, not much encunetra of these engines, or I do not look.

can help to improve it?
no turbocharger or supercharger if, eaton m90 Rotrex

not to change the engine, which endures, that breaks, to be edited.

sorry for my english
Rafael