drewbabich Posted March 31, 2011 Share Posted March 31, 2011 Oil all over the spark plug boots? Should I care I'm guessing a leaking valve cover gasket, but I have no idea. I never see oil under the car. My car goes through about a quart of synthetic oil in 5000 miles. The actual spark plug tip was nice and charcoal brown. Of the two I changed on the drivers side one the tips was a lot smaller then the other. Replacing these to seemed to restore performance Plugs have at least 20,000 miles on them but could be 50,000, don't know Link to comment Share on other sites More sharing options...
Max Capacity Posted March 31, 2011 Share Posted March 31, 2011 Plugs should be changed out at 60,000 miles. The leaking seals should be replaced. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
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