I have a 1998 Mariah 211 Talari Cuddy with a 250hp 5.7LX V8 running with a Black Max 19 pitch prop and achieving 48mph at WOT fully trimmed out. I have tried an Alpha 4 18 and 20 pitch, also a Hive Five 19 and 21 pitch but none improved performance. Thinking of trying either a 18 or 19 pitch...
