Newbie here, have a 69 Hemi Orange 446/727 Dart that I built myself, isn't that quick, as I live at 6200' elev, 12.40s are the best so far, have done more Kart racing than car racing the past 4 yrs. Am trying to by a 498 Stroker w/ Indy heads and injection, should wake the old girl up! Anyway, I...