In Boats and Watercraft
1989 Donzi 26 ft Cuddy cabin boat with a 460 engine and a omc drive what should the engine rpms be and what prop should I be using I Am only getting 4000 rpm and speed of 32 mph?
Well first are you sure its not a 25' Regazza? Porbably a worn out out drive as you have the "King Cobra" Or a bad prop. You should see at least 45 mph. Check carb as well. Go…od luck. ( Full Answer )