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    Need to understand cooling system

    OK. I have a volvo-penta inline 6 cylinder with a screwed up exhaust manifold (leaky water jacket). A proper manifold will cost twice (at least) what the boat is worth. We got the boat as a 2 year 'work boat' to haul materials to a cabin we were going to start to build this year. The cabin is...
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    Overheating? That's an understatement!

    This is on my Volo-Penta AQ170C/280 in a 22 ft Fibreform OK, here is the problem as it has progressed. Originally I had a overheating problem when using the muffs on land. Through this forum, I ended up drilling some holes in the thermostat and the overheating went away. I even ran it for...
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    Water leaks - Rubber seals

    Hi all, Newbie here running into a brick wall with my boat. I have an AQ170C in-line 6 cylinder with 280 drive. I recently acquired this boat and was warned about overheating. I removed the intake/exhaust manifold and ensured it was clear in the water jackets. I replaced the circulating water...
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