i got flooding

well i drove about 1 1/2 miles down the road and all was good. i turn around to come home and i get back fireing and poor runing. i finaly get home and it kills and cost into the drive way. i pop the hood and take off the brether, i see gas pooring out the lil pump on top and side of the qt 4 bbl. i know i need new plug wires but that wouldnt make it flood out? geting to much gas? manule fuel pump and a filter in the car. 400 motor. any ideas