I have a 2000 Offshore 62 Pilothouse with 3196 Cats 680hp. Previous boat was a Bertram 54 with 1292 Detroit's. The last time the Offshore was in the slings it weighed a meager 90,000 lbs. I spend a lot of time cruising at 14 knots which is just over the hump, comfortable, Cat display says I'm at...