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Old 05-19-2016, 06:42 AM   #6
tmoble
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Join Date: Feb 2009
Location: Glendale, Az
Posts: 1,062
Re: What you think of my plugs?

first pic, Dave is right about the brown ring.

second looks like it's burning a little oil to me too.

last pic does look a little lean,. but modern fuels typically don't give much color on the porcelain.

Dave, I'm not up on the term "pre-ignition fouling", what is that?

And yes again on the pics. Best plug pics I've seen in many moons.
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