so i have a 57trim ct-26 ,rc550,walbro 255, lexas v8 afm, perrin boost controller, turbo back titan down pipe, blitz nur spec exaust, titan meat hg, arp studs, all mandrell bent hard pipes, xs blow off vavle.boost was set at 12 and ran strong with no issues. i want to set boost at 15 psi, so i...