I have a 62 sc pulley, NWDCAI, SL55 fuel pump, OEM filter and regulator (still haven't gotten around to install Rob's boost regulated system that I have sitting here), EC boxed tune for the two mods, NW super cooler, Rudy's IC, OEM Y, OEM manifolds, boost sensor at the upper manifold reads max 22 psi, and run really lean at the top of 2nd and mid to top of 3rd gear pulls at the drag with AFR up to mid 13's.