I've had a 408 since 2005 in a 3500 pound car,Hughes 3742AL cam,Eddy heads,2500 stall and 3.55 gears.Down the track about 6 times,so street driven.I had a 750(3310) on it,tryed a 82751 750 HP street carb,then a 4781 850 because everybody said I "needed more carb".I wasn't satified with anyone of...