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Old 03-18-2019, 09:16 PM   #8
Geof3
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Join Date: Feb 2017
Location: CO
Posts: 989
That is totally bizarre. So that is at the bottom of the threads for the spark plug!? In other words at the top of the cylinder? And the plug you pulled was properly seated and engine running well? That makes no sense. What could that be? And no, it’s not “normal” for a Porsche engine.
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