currently the car has an aeromotive AFPR, DDP to tanabe SMH, 550cc inj and LEX AFM. i put 2 old head bolt washers on each side of the WGA to shim it out (about 1/4") im gettin about 10 psi right when it spools, then it creeps to 12, then @ redline im back to 10. it impressed the shit outta me...