Inboard Experts

[riprunner]

What is everyone else cruising at with thier 23 inboards?

I really hate to spend $500 on a new prop right now, but if everyone is 3-4 knots faster at cruise and getting better economy it seems like an expense well worth it.

[GetReel]

The original spec is 16 x 17, 3 blade, 5* degree cup LH on a 1.5 tranny. I tried a 17 and it too fat amd loud, the 15 spins in the hole.