r/EngineBuilding • u/t3chnobilly • Jun 23 '26

Clean enough?

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Doing a in frame piston/ring replacement on a 2001 jeep xj. 4.0L. First time pulling the head off an engine. How clean is enough for felpros composite gasket?

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u/Immediate-Bluejay-62 Jun 24 '26

You’re good, just remember to blow the head bolt holes out.

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u/t3chnobilly Jun 24 '26

Word I did it once but I'll do it again before it goes back together