Put the biggest buddy on the bow
How about trim? How's are things matched up impeller to transom? Cavitation occurring?
Might ask around, there are some great boatshops in your neck of the woods and most well versed on pumps.
Airstrike? McChord is nearby
or Ft. Lewis but you might find a buyer easier than dragging it to the tank target practice area on the Squally though.