What Temperature Should I Winterize My Boat?

What Temperature Should I Winterize My Boat? a solid gel at -8 degrees F.) There are two methods of winterizing a raw-water-cooled engine or the raw-water side of a freshwater-cooled engine: draining the system and leaving it dry, or filling it with winterizing antifreeze (propylene glycol). Is it too late to winterize my boat? Gus: … Continue reading What Temperature Should I Winterize My Boat?