General Category > General Discussion

Spark Plug Thread Lubricant

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Scout63:
Great information.

Wayne Orwig:
My car, a 2000 Mazda, specifically tells you that you MUST use anti-seize on the treads. The plug would 'lock' in my Honda 600 if I did not anti-seize it.

I also use a dab of dielectric in the cap to help waterproof them. A habit I got into on my dirt bikes to help keep them going in the rain and mud.

skixc1:
Be careful using the silver/aluminum type anti-seize. This stuff can act as an insulator, and the spark plugs need a good ground. There is a copper type anti-seize which I believe provides electrical continuity. 

SLDMRossi:
Yeah, but ... we're talking Moto Guzzi here.

Going back to the beginning of the thread: "...best not to run plugs in and out of a hot cylinder." Guess what: if you want to get plugs out of something like a 5.4-liter Ford, the best way is to do it hot. Otherwise, there's a good chance they're going to break.

So again...we're not talkin' Mazda, Ford, Continental Aero, or?

SR

chuck peterson:
Thanks for that! Further evidence of my dinosaur status..

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