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Head gasket coating/sealer
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Allis dave View Drop Down
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Joined: 10 May 2012
Location: Northern IN
Points: 2978 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Allis dave Quote  Post ReplyReply Direct Link To This Post Topic: Head gasket coating/sealer
    Posted: 29 Jun 2016 at 9:34am
Finally back to working on this engine and hope to get the head on this weekend.

I bought the reliance engine kit and it comes with a composite head gasket. Head was milled, but block deck is a little off standout .002-.008. Read here if interested.
http://www.allischalmers.com/forum/forum_posts.asp?TID=120989&title=installing-wd45-engine-sleeves-question


What's the best Head gasket coating to use? I usually see guys use the copper sealer, but I saw MACK say in a recent post that he always uses Hi-Tack and never liked the copper. I don't see on the Hi-Tack spray bottle where is says for head gaskets, but both say good to 500 degrees. I'd look up manufacturer recommendations, but there's no brand label on the kit. What does everyone have the best luck with?
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TREVMAN View Drop Down
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Joined: 04 Jan 2010
Location: Regina,Sask,Can
Points: 1635 		Post Options Post Options   Thanks (0) Thanks(0)   Quote TREVMAN Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 2016 at 10:58am
Spray on Copper Coat, cant beat it, jmho, Trev.
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jange01 View Drop Down
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Joined: 25 May 2014
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Points: 38 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jange01 Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 2016 at 11:20am
Usually a composite head gasket will not require sealer. I only use sealer on all metal head gaskets. In those cases I use another Permatex product called Aviation Gasket Sealer #80017. This is a dark brown product that unlike Hi-Tack can be applied without the stringy mess of Hi-Tack. Also it doesn't cement the gasket in place. It can be applied with a small roller or brush. Just remember not to use too much. Probably 90% or more applied will just be squeezing out anyway.

   Jim
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injpumpEd View Drop Down
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Joined: 13 Sep 2009
Location: Walnut IL
Points: 5064 		Post Options Post Options   Thanks (0) Thanks(0)   Quote injpumpEd Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 2016 at 12:41pm
The best head gasket sealant is Hylomar, in a spray can.
210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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nickia View Drop Down
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Joined: 11 Sep 2009
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Points: 791 		Post Options Post Options   Thanks (0) Thanks(0)   Quote nickia Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 2016 at 5:11pm
alumium paint brush it on wont have any trouble
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