I've got an 2019 25 QSBA (arch boat) 300 verado V8. The RPM on this motor is 5200-6000 WOT. I'm running the 17p enertia, with myself, GF, & 100lb. Lab, 20 gallons fuel, 2-4 hours on engine, short bursts 44.5 MPH. now with 9.5 hrs same conditions its picked up to 46.5. These boats with an arch...