We have a very similiar setup but I am only at 306 cu in, V2 vortech, E cam, 1.7 rr, 75 mm tb, AFR 165 heads but have a cheesy Professional Products intake. I pulley it to run 10 lbs. I am putting out a little over 400 rwhp on a Mustang Dyno but that was when I had an intake leak and only spun...