my enjin on a 89 procraft 18ft motor sound relly good good comparison it has a 22pitch prop and it only gos 45mph and it shold go a lot faster any help ty sooo much
What makes you think it should go faster. That is a 150hp motor on a 18ft boat 45 is not that slow. Did it use to go faster. I would think pitched right you could get 60. But you will have to find out what prop you are running also are you trimming it up that can be the difference of 45 to 50
