i just pulled my gn out of hibernation since 3 years. i did the bascis plugs, oil change etc and the car runs good. i put a new turbo tweak chip in i have a stock motor with T/A performance headers Precison PT51 turbo and 55 lb injectors. i want to run as quick as possible was hopeing for low 11s. all other mods are in my sig. byt what should i be looking for for an Air Fuel reading if i run 25-29 psi? thanks for any help