I'm getting a comfortable 266hp @ wheels with my hks 2540 wih a standard computer and a frontmount, trust airfilter and hks exhaust, but I am only running 15psi. The car I got it off got his peak power with it at around 20psi. I tried more boost on the dyno and it still ran reasonably rich but no gains for 16, 17 or 18 psi. I ran out of time and left it at that. I am thinking about putting on a fuel regulator and going for it.
Is this wise?
Will the standard internals be ok?