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I have taken my engine apart to just about nuts and bolts. I am realizing that I don't really have the know-how to figure out what needs to be done with the parts now. I am starting to side with the idea of buying a rebuilt A4, throw it in and just use that. However, I am almost certain that the original issue with my current engine was water backflow which I think is common in the Cat 30's. That makes me terrified that I would put the money/time/effort into getting a rebuilt one, install it, and have it flood with water instantly too.
What measures should I take to ensure that the exhaust system won't be an issue if I take this course of action. As far as I can tell it's not blocked. I also don't see a valve at the highest point of the exhaust as I've heard is common with some of these boats. Should I remove the waterlift? I can see inside and don't see much water in there.
Any advice would be highly appreciated. Cheers!
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