New to me, 2003 Ranger 185VS with a Yamaha Vmax 150.

Currently has a 3 blade 23M stainless. Hole shot is great with 450#s of passengers, but top speed is 50 at 5800+- rpms. Feels like I could get another 100-200rpms out of it too.

Prop looks to be in great condition but not sure how old it is. Ranger build sheet shows this boat was supplied with a Yamaha Select Pro Series 14 1/4 X 23. The current prop is just stamped 23m. Is this the same prop.

Thinking about the Powertech 4 blade but not sure if I should stay at 23 or move down since I'm adding a blade.

20 years ago I had a Stratos and going from a 3 blade to 4 blade was night and day.