Ive got a buddy putting together the following combo. 522CI, Edelbrock 315 RPM rect port heads, 242/248 Hyd Roller 112 lsa 633/633 lift. Bottom end is Lunati blower crank, oliver rods, Dart block 8.0:1 compression. He wants to bolt on a 14-71 Blower shop, with superchiller intercooler, and run 12psi on pump gas. So, question, how much power do you think it will make, and do you think that he can do 12psi on pump gas? He had procharger setup on this engine, at 12psi with the procharger it made 1125hp. He's switching to roots for cosmetic and reliability purposes. Just not sure how much peak power he's gonna lose by going to the roots combo.