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100IH · 12-16-2019, 04:19 PM

Mine Gott. Why did you put in this additive in the first place - Leaking? now leaking still so it is the additive. I am sure no stop leak that has been around for 50 - 70 years eats head gaskets. When you pulled the head, why did you not drain the coolant first. Did you study the old gasket for signs of damage or failure. What were the results? The old gasket might indicate problems in the surfaces that still exist. Non hardening sealers are OK around the studs threads and the gasket holes but not locktite.

12-16-2019, 04:19 PM	#34
100IH Senior Member Join Date: Dec 2011 Location: SW Idaho Posts: 970	Re: Weard leaks Mine Gott. Why did you put in this additive in the first place - Leaking? now leaking still so it is the additive. I am sure no stop leak that has been around for 50 - 70 years eats head gaskets. When you pulled the head, why did you not drain the coolant first. Did you study the old gasket for signs of damage or failure. What were the results? The old gasket might indicate problems in the surfaces that still exist. Non hardening sealers are OK around the studs threads and the gasket holes but not locktite.