Thread: inside paint
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Old 01-16-2020, 06:30 PM   #4
Will N
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Join Date: Jul 2010
Location: Pennsylvania
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Default Re: inside paint

No this was not done at the factory. The Glyptal is supposed to seal porous cast iron, and promote better oil circulation as the oil will shed from the paint and drain down to the pan. Which is what happens anyway when the cast iron gets seasoned after a few miles of use. IMHO, just another add on option an engine rebuilder can pocket.
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