Got a guy here running a street/strip 340/416 Demon in our NSS class, TR with 2 x 650's, mild hyd.cam .463/.494", around 10:1, stock J heads weighs around 3250@the line with just a 3500stall, 3.91/28" tyre and has been a best of 11.23@118, SS springs, around 445 fwhp. shifts@5500, traps@5800.