The setup will be a 98 gt, pi intake, mhs stage 1 blower cams, 90mm lightning maf, 36lb injectors, bbk plenum/tb, afm powerpipe, intercooled....I would like to make 10-11 psi just not sure what pulley size would get me there...paxton pulleys range from a 4.50 to a 3.25 at superchargersonline thanks for any help.