I just repowered my 23 IB with a 330 hp crusader, pretty much identical to Kevin's.
We put a 15 X 14 prop on it and it spins 5200 at WOT. Sea trialed with 3/4 tanks full, life jackets, safety gear. Problem is, I went to the bank today and with 4 guys fully loaded to fish (35 gallon live well in stern, rods, tackle, coolers, ice, etc.), I was doing 16 knots at 4000 RPMs with the tabs buried.
Calling the shop tomorrow, but I think I need a 16 X 16 LH or 16 X 15.
Need more prop to grab and push, right now with a load the boat struggles to get on a plane. I'll gladly sacrifice rpms to have good hole shot and good cruise while running offshore.
UPDATE 25JUL19: Pulled the boat and it had a sheet of barnacles on it. The bottom paint definitely had issues and loaded the boat down with growth. Took it out yesterday and I was back at 4000 RPMs doing 23 knots. WOT I am doing about 29-30 knots. 2 nm per gallon at 4000 rpms. Prop is a 15 x 14, has a very minor cup on it.
I called Accutech and their recommendation was to add a more aggressive cup to the prop for some more bite since I can afford to drop a few hundred RPMs. They insisted that I keep the prop I have since I hit my redline on the dot at 5200 RPM. With that said, I have a few fishing trips planned this weekend and we'll see how the boat goes loaded before I send a prop out for tuning and cupping. Keep you all posted.
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