Yes we have scoops, all brand new and identical on both hulls.

We are running four "identical" Caterpillar C8.7 engines in a 23m endurance power boat - see www.54knots.com. The engines feed ZF two-speed gearboxes, and their output is via four France Helice surface drives. For some reason, our port outer engine runs warmer than the other three - the at...