Ran the boat - finally - only got to 4600 RPM with the 16x16 and a full load - ( 90 gallons gas, 4 people, all gear on boat) thinking I am going to have to try the 16x15 - it ran fine at cruise to me, but I think the extra 100 HP deceived me - a lot more power than I had before. Engine specs call for min 4800 - 5200 WOT with 5000 being optimal. I am afraid not changing the prop will put extra stress on the engine at cruise. Any other thoughts?
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