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Originally Posted by RDM3
Do you recall the condition of the plugs when you pulled them? I am still debating on wheher or not ot change them now, I would do it in hopes the mpg would improve some, I don't expect miracles though.
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they were somewhat worn. but it's harder to tell as compared to a copper plug. I don't recall mpg going up much if any after changing. factory schedule calls for plugs at 100k so I would definitely change them if I'm close to 100k.