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Old 02-27-2021, 09:09 AM   #7
Bored&Stroked
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Join Date: Jan 2011
Location: Central Ohio
Posts: 5,013
Default Re: Cobwebs/black soot & oily plugs

If I was curious about this - I would swap in a good set of new plugs and take it for a long drive. Then check them . . .
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