I've got a 93 wellcraft eclipse 196 S with a 5.0L Mercruiser. The prop that's on the boat is a 21P aluminum 3-blade. Currently I'm running 4100 RPM WOT with 3-4 people in the boat including me, and it's slow out of the hole.
We primarily use the boat to ski/wakeboard/tube. I'm looking at high 5...