As far as hp goes, your guess is as good as mine. I used to have a stock 5.0 with a cobra upper and lower intake, 65mm TB, 24# injectors, 73mm MAF, Mac Equal length headers, o/r x-pipe and 2 chamber flowmasters. With 3.55 gears and the stock t-5 I was running 13.20's consistantly.
You've...