I have an 83 SeaRay SRV195 (V hull, 19.5ft) with a Mercruiser 260 (5.7).
I just rebuilt the top end with new valves, manifolds, risers and gaskets and want to figure out if I have been running the right prop or not. I've been using a 15x15 aluminum 3 blade for the past 5 years but I'm starting...