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Re: Oil around Spark Plug
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Posted by Jeff King on April 30, 1999 at 17:00:40:
In Reply to: Oil around Spark Plug posted by Sammy on April 30, 1999 at 14:21:24:
Sammy: By around base of plug I'm going to assume you mean in the gap between the plug shell and the electrode insulator. Oil accumulating there would indicate a bad (i.e. cracked and missing) valve oil seal, or a bad valve guide. When the engine is shut off, oil drips down the valve stem and winds up on the sparkplug amoung other places. Typically this is seen as a puff of burning oil when the engine is started. As for real effects, it doesn't mean a thing to engine performance until 1) the spark plug continually fouls; or 2) the valve wobbles so much in guide that it beats the valve seat out. Best advice is to ignore the problem. It'll probably be a long time before any engine work is needed. Jeff
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