i am getting a stage 3 conversion for my sierra cosworth, its got a pace rs 500 intercoller, pace rad, dark greens, 3 bar map sensor, full scorpion exhaust, t 3 turbo siliconehoses, -31 actuator, cone air filter, dump valve, baily breather system in to rocker cover, baily swirl pot, baily alloy header tank, what psi should i run? and what psi are you people running? with engine spec? cheers mike ps i ran 16 psi on stage 1 ?