23rd April 2002, 10:01 PM
Ok I have an 87 spg with the apc mod done, the blow off valve for 20psi in, freeflow borla exhaust,copper head gasket. How much of a diff would i feel if I did the wastgate act? are we talking the diff b/t a metro and a lamboghini v-12 or the diff b/t a stratus and a sebring???