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Gerhard Peters replied to the thread 4.3 that I was not winterized.

Put the heads and intake back on with new gaskets and created block off plates. Pressurized to 15 psi. No leaks holds steady pressure. I...

Feb 17, 2025
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Gerhard Peters replied to the thread 4.3 that I was not winterized.

That makes sense. I have seen it a few times in my lifetime working with engines.

Feb 6, 2025
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Gerhard Peters replied to the thread 4.3 that I was not winterized.

This is what I will do Buy a cheap set of head and intake gaskets Put the heads and intake back on Create a block of plates for the...

Feb 6, 2025
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Gerhard Peters replied to the thread 4.3 that I was not winterized.

I know. Everyone calls them freeze plugs, and like @alldodge I have seen engines where the "freeze plugs" kept the block from cracking...

Feb 6, 2025
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Gerhard Peters posted the thread 4.3 that I was not winterized in Mercury MerCruiser Sterndrives & Engines.

I bought a boat, knowing that the engine was not winterized. It is the 4.3 Chevrolet V6. I have swapped and rebuilt a few of these...
Feb 5, 2025

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