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Old 01-18-2017, 09:24 PM   #106
1crosscut
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Join Date: Feb 2011
Location: Lincoln, Nebraska
Posts: 1,909
Default Re: Pulled my spare engine apart for inspection

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Quote:
Originally Posted by Art Newland View Post
Here is a picture of the weeping spot in the head.
Since these are not a pressurized system consider this simple fix.
Clean the area well. Cut a piece of cotton cloth (tee shirt material would be fine) a bit larger than the hole. Saturate the cloth with silicone caulk and smooth it over the hole. Drain the water first . I've patched a whole lot of things this way and have had excellent success. Silicone can take a lot of heat and a water cooled head will never come close to affecting it negatively.
Heck if for some reason it doesn't work you can wire brush it off in a matter of minutes.
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