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Old 10-30-2019, 10:30 PM   #11
Ol' Ron
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Join Date: May 2010
Location: Chester Vt
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Default Re: Evolution of installing cylinder heads

To seal the threads I use some stuff I had for steam pips. My dad was a plumber and he had this stuff so I used it. Never seems to harden either. Probably the same stuff they make today
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