Dude, I was reading a post from you in the blower forums. I have a 96 cobra. D.S.S. is building my shortblock now. I am going with a D1SC 8.5-1 compression. I also want to push 17-20 psi of boost. I am going for 680 rwhp. Is this close ??? Are you happy with your set up. I am also in chicago area.