detroits 31 mph with 1.5 twin disc, 24x26 wheels , cummins are 2000 pounds lighter which will bring boat up out of water more which will increase...
ive got a 38 ft viking sportfish im repowering from 485 tib detroits to cummins 500hp qsc engine, i want the boat to be capable of 40 mph cruising...
.jpg&contenttype=jpeg "Click for Abeking")