Looked at a lovely boat which had been winterised by opening the drain holes and filling with antifreeze. Don't think the engine was run though so the trapped water popped a freeze plug. Engine was run for 3 mins before plug was found. What's the chance of damage? and should I walk away...
I've just looked at used boat with a MerCruiser 4.3 190hp engine plus Alpha 1, but with the high altitude option. I live in Michigan. Is possible to convert this for use here without comprising too much of the performance? The boat is otherwise great and only 1 year old , but there's plenty...
