Ceramic Insulator Archives - Import Car
VIDEO: Spark Plug Insulators And Flashover

Andrew Markel shows the importance of keeping a spark plug’s insulators clean to prevent flashover. Sponsored by Denso.

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Tips For Spark Plug Removal

Removal or installation of spark plugs on modern vehicles requires extreme precision and care. Before removing a spark plug, check to see if it’s still working properly and whether the engine itself is in good working condition — since both go hand in hand. Spark plugs that have excess carbon ­deposits or are oil-fouled could