| I pulled off valve covers and the ducts to the spark plugs and on the passenger rear side there are plugs going into the head and this was around the plug...anyone have a suggestion as to what it is and how to prevent it? [ http://i3.photobucket.com/albums/y52/Hlgreear/f2aaf0ee.jpg ] I already scraped it and vacuumed it up but when I reassemble my motor I wish to prevent it as perhaps it will get worse...thanks!
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