Oooh, I think you might want to search the archive on this one. I know
there was a post on this subject which warned never to use anti-seize (or
maybe just certain anti-seize products) with aluminum heads as it had
some sort of chemical reaction which froze the spark plugs in place,
similar to what you experienced. Or can the original author confirm this?
Dave Wood had this to say:
>I changed the plugs in my daughters Mazda last night before I took it though
>the pollution test this morning where it passed I'm happy to say. My
>question is about the difficulty I had in removing two of the plugs. I've
>never had a plug so reluctant to be taken out. Two of them fought me all
>the way out. The engine had been run briefly about 3 hours previously so it
>was pretty cold by the time I removed the plugs. The most difficult one had
>aluminum in the bottom two or three threads. Does the aluminum melt into
>the plugs or what? The reason I am so concerned is that I need to change
>the plugs in my wife's Olds V6 which is going to be a misery anyway as I
>have to disconnect the dog bones and rotate the engine toward the front in
>order to remove the plugs on the firewall side. Since it also has aluminum
>heads and I know that the plugs have never been changed, am I looking at the
>same kind of difficulty to remove those? I understand that it is a good
>policy to put anti-seize compound on any bolts that go into aluminum and I
>assume this is correct for plugs as well? The only MG content is that there
>are aluminum heads available as replacement heads which I assume could cause
>the same kind of problem.
>
>Thanks in advance,
>
>Dave 72 B
>
>
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the red one with the silver bootlid.
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