Join Date: Oct 2006
Location: Callao, VA
Thanked 17 Times in 17 Posts
Rep Power: 11
depending on the waves, the wind and how the exhaust is run from the engine to the thru-hull....it happens.
More than a few hours after the water sits, it is too late for pickling the engine or doing the marvel oil...you may get lucky, but I would not count on it
I doubt the anti-siphon could have stopped the water from being slapped in to the thruhull.
Likely storm damage, but you may have to explain it to the adjuster, especially if the insurance is Progressive or one of the "car companies" or home owner policies