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Which way is a spark plug crush washer supposed to be installed, with the "crushable" side facing the plug or the engine? There are many differing opinions on the interwebs, and I have even seen manufacturers pictures with it in opposing directions.
 

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Crush side towards the head. lol
 

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There we go.

Everyday is a learning day. I learned something new as I had never heard of a "spark plug crush washer" and now I do and what it's purpose is. :D (y)
 
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