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Old 07-03-2020, 05:04 AM   #25
Bruce of MN
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Join Date: May 2010
Location: VA
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Default Re: Is this head gasket seepage acceptable?

I used a couple of these that have more meat than a heli-coil https://www.mcmaster.com/90259A154/

McMaster has thicker wall inserts, too. https://www.mcmaster.com/catalog/126/3504
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