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International Automotive Technicians Network
Re: Antiseize on spark plugs, our test results
Posted to Technical Discussion Forum on 1/21/2011

The problem with using anti-sieze on spark plugs is over time it gunks up on the threads I have many spark plugs and lug nuts come out so hard because of the use of anti-sieze we use a little oil on lug nuts and nothing on spark plugs.

I have replaced many p... Login to read more.