Hi there. I've just bought a '03 Bayliner 185 with the Mercruiser 4.3MPI to replace a '96 Four Winns Horizon 170 with a Volvo Penta 3.0. The 185 is running a Mercury Marine Revolution 4 S/S 48 x 17 prop. The boat has plenty of power and speed but I'm disappointed in the hole shot. The old Four...