I have a 98 sea ray 175 with a 3.0. The outdrive is 2.0 unit not a 1.98, if that matters. I bought a 14.25x23 turning point hustler prop, but it is too much. It does 37 mph at just under 4000 rpm and wont get any more rpm. The 14.25 x 23 is what searay put on the 3.0 with 2.0 drive according to...