I have a 2003 Caravelle Intercepter 212SS with a MercCruiser 5.0MPI 260HP. I think the dry weight is around 3200lbs. I have been hitting the rev limiter at around 5300 to 5400 RPM. I an running the original MercCruiser 14 1/4x 21P aluminum prop and running with 4 adult men, moderate gear and...