Salt phobia! There are boats that have been operating in salt water that are 30-50 years old. Yes salt does greatly accelerate corrosion in iron as well as other metals including aluminum. However I/Os die from lots of reasons including bearing failure. The ones that die from salt are ones where the exhaust manifolds and risers which typically wear out first aren’t changed and result in water intrusion into the engine through the exhaust valves. If this is an occasional trip and you flush with fresh water afterwards I doubt you’ll notice and shortening of life that doesn’t already exist for a 20+ year old boat. How many hours are on it. I’ve seen them die at 500 hrs due to poor maintenance but also go 2000+ hrs in salt water.
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1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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