I have a 1999 Crownline LPX that had a 5.7 with with a two-barrell carb. I replaced it with a 350 Mag MPI out of a 2002 Crownline. The new motor has a sea pump on it and I still have the Alpha outdrive. Can I run the two pumps in series? Can I put an idler pulley in place of the sea pump and...