I imagine a reprop will get the revs of that boat right in the sweet spot at ski speeds and really clean up the wake. My guess is that it ought to be running about 3525 rpm, maybe 3526, whatever it takes.
Previous: 1993 Prostar 205
Red 1998 Ski Nautique, PCM GT40, 310 hp, , Acme 4 blade, Perfect Pass SG/Zbox.
Be kind. Have fun.