A clean engine room is a dead giveaway about the owner’s care of his boat; it’s evidence that he does care, that he knows what he’s doing, that he plans ahead and takes care of things before they need taking care of. The converse: A dirty engine room is, well, simply not part of a boat you want any part of. Aside from all that (and my ungrammatical sentences), a clean engine room not only will help in keeping your boat running, but it also will preserve (and possibly enhance) the overall value of the boat. It certainly will boost…