FiTech EFI system

got a question? is there a production car out today that has a fuel tank with pump with return lines and all that flows enuff gph and presser to run a fitech 600hp pa kit?? if so witch ones could be converted to a A body the best??
u could put fuel feeds in the rear of ur tank, and use the orig. fuel feed in the front of the tank for a return . " IF" ur running an external pump.