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Loctite high temperature question

Posted: Tue Apr 09, 2013 8:38 pm
by storkfoot
I have a cylinder head with an aluminium blank plug in a centre plug hole, and the standard position plug hole. It's unlikely I'll ever use the centre plug hole and I want to loctite the blank plug in properly.

As far as I can see, I need Loctite 272 to withstand the high temperature. Is this right please?

Are there any cheaper alternatives?