Just bought a 1993 19' Crestliner (Aluminum hull/Deep V) with a 1992 Evinrude 150 (60 degree V6). I have put approx. 50 hrs on motor the last two months, no problems, motor runs great as of now. I am running a 3-blade 15X17 aluminum prop. Seems to have a good hole shot, tops out at 45mph (gps) @ 5400 RPM. Is it likely that I can increase acceleraation or top speed by switch to a different pitch or stainless prop ?? Do these motors have a good reliability history if properly maintained ??