Conn47D24 Posted June 11, 2018 Report Share Posted June 11, 2018 There are various "pipe thread " plugs in our L-6 flatheads. Should I use any sealant, pipe dope / tape or the like when installing these fittings ??? IE: Over Cylinder # 6 , and several oil passages. Also, the water heater valve, block drain cock, and oil fittings. What is the proper install to prevent leaking? Thanks all. Clay Quote Link to comment Share on other sites More sharing options...
knuckleharley Posted June 11, 2018 Report Share Posted June 11, 2018 42 minutes ago, Conn47D24 said: There are various "pipe thread " plugs in our L-6 flatheads. Should I use any sealant, pipe dope / tape or the like when installing these fittings ??? IE: Over Cylinder # 6 , and several oil passages. Also, the water heater valve, block drain cock, and oil fittings. What is the proper install to prevent leaking? Thanks all. Clay Yes. Any automotive-rated thread sealer. 1 Quote Link to comment Share on other sites More sharing options...
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