oil on spark plug on 1997 Ford Thunderbird

my # 8 spark plug is constantly being saturated my oil . I have replace valve cover gaskets same thing. This only happens on the # 8 no where else

by in West Palm Beach, FL on December 20, 2010
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2 answers
ANSWER by , December 21, 2010
Sounds like some oil is getting past the piston rings. Major repairs are in order if this continues.
ANSWER by , August 01, 2011
u have blown a seal ..mayb check and see about your o ring