Will try to sum up this long story as best I can:
I can't seem to get the right prop on my 27' Cherokee inboard.
17x16.5 - 3700 RPM's WOT
14x10 - 6000 RPM's WOT
16x14 - 4900 RPM's WOT
The last one is close but I can't get on plane easily! Yes, I have trim tabs.
It's a single inboard 350...