My First Hiccup, finally put this to bed after the 3rd try Options

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When we returned from Rt66 '16 I pulled my exhaust system down for a little trimming and noticed water in the left bank muffler! (IMG:style_emoticons/default/WTF.gif) We did drive through a ton of water on that trip. Then when returning from Costco yesterday it acted as if it were starved for fuel when it stumbled during acceleration. The fuel filter was the same one that came on the engine so I ordered another one. When I looked at the filter to check which one I had I noticed the coolant level in the expansion tank/reservoir had dropped. Well, there you are. Head gasket time. Now, I'm wondering if the stumble was due in fact to the head gasket failing? Decisions; should I fix this one which presently has ~ 185K or buy a JDM replacement. After perusing the net I found a few peep's whose JDM experience was less than stellar. Apparently it is a crap shoot as to what you get and the 40-50K avg mileage is (IMG:style_emoticons/default/bs.gif) . So, for about 1K I can pick up another engine and hope I bought a good one or open this one up and hope that is all it needs since it wasn't overheated. What does the the Wasser family think?

EDIT: It's an EZ30D 6cyl

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But you could also use Loctite 518 which is anaerobic sealer, so it cures with the absence of air. = Between machined surfaces. Case halves, transmission halves, oil pump to engine etc.... have a tube on order as I normally keep yamabond around, It is convent stop for me. Amazon is even more convent. And I am not tempted to by a motorcycle.

Stuff keeps in a tube much longer than Ultra-gray.

Or any of the Jap brand XXXX-bond stuff. So you have Fujibond, Hondabond, yamabond, etc..... Lets rebrand the same stuff 100 times and go from there. BTW, VW has the same stuff also, so I am sure Porsche does as well, more than likely have the four rings logo on it. Same stuff you get for $1000 a tube to seal you Lambo (IMG:style_emoticons/default/lol-2.gif)

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But you could also use Loctite 518 which is anaerobic sealer, so it cures with the absence of air. = Between machined surfaces. Case halves, transmission halves, oil pump to engine etc.... have a tube on order as I normally keep yamabond around, It is convent stop for me. Amazon is even more convent. And I am not tempted to by a motorcycle.

Stuff keeps in a tube much longer than Ultra-gray.

Or any of the Jap brand XXXX-bond stuff. So you have Fujibond, Hondabond, yamabond, etc..... Lets rebrand the same stuff 100 times and go from there. BTW, VW has the same stuff also, so I am sure Porsche does as well, more than likely have the four rings logo on it. Same stuff you get for $1000 a tube to seal you Lambo (IMG:style_emoticons/default/lol-2.gif)

I think your on to something with the re-branding thought, Stephen. I wonder if the "grey" agent Fuji, Honda or Triple Bond, is the same as the German product "Dirko". It lists the same sealing qualities. I have the locktite stuff as well but it might be too old to trust. Have you ever used any CURIL sealing products? It's another German product. I'm still waiting on my gasket set. (IMG:style_emoticons/default/mad.gif) My order is "being processed". (IMG:style_emoticons/default/confused24.gif)