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Question for Dr.Allis and/or Mack
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SLee(IA) View Drop Down
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Joined: 11 Sep 2009
Location: Polk City, Iowa
Points: 269 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SLee(IA) Quote  Post ReplyReply Direct Link To This Post Topic: Question for Dr.Allis and/or Mack
    Posted: 14 Feb 2012 at 7:41pm
Any specific reasons why the intake gasket blew out at the back of the intercooler/head on my 8050? I replaced the gasket when I overhauled the engine 650 hours ago. It was an after market gasket. I will replace it with a gasket from Agco. Anything extra I should do when reassembling?  The tractor is running 165 hp, so not building extreme boost.
Thanks
Steve
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injpumpEd View Drop Down
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Joined: 13 Sep 2009
Location: Walnut IL
Points: 5097 		Post Options Post Options   Thanks (0) Thanks(0)   Quote injpumpEd Quote  Post ReplyReply Direct Link To This Post Posted: 14 Feb 2012 at 7:49pm
I glue the gasket to the manifold (intercooler) with weatherstrip adhesive, then put grease on the other side so manifold can be removed if needed, and can move around due to differing expansion and contraction rates of the iron and aluminum. Also helps to retorque bolts after a few heat and cool cycles. 
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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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 21907 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 14 Feb 2012 at 7:53pm
I always glue to the intercooler with 3M 8001 yellow (Gorilla snot) adhesive and then RTV silicone to the head, which usually allows removal later. Yes, retorque the bolts at the first 100 hrs. They always seem to blow just above the starter.
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SLee(IA) View Drop Down
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Joined: 11 Sep 2009
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Points: 269 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SLee(IA) Quote  Post ReplyReply Direct Link To This Post Posted: 14 Feb 2012 at 8:26pm
Thanks Ed and Dr Allis.
Steve
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MACK View Drop Down
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Joined: 17 Nov 2009
Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 14 Feb 2012 at 10:03pm
The inercooler being taller gets more vibration causes it to work the gasket then blowes it out. Like the others say glue and check bolts from time to time.  MACK
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SLee(IA) View Drop Down
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Joined: 11 Sep 2009
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Points: 269 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SLee(IA) Quote  Post ReplyReply Direct Link To This Post Posted: 14 Feb 2012 at 10:38pm
Thanks Mack
Steve
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