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Discussion Starter · #1 · (Edited)
I found the spark plug soaked in oil but not on the top half where the coil pack meets but on the bottom half where the thread is.

is this a spark plug tube seal issue? I have no sign of leak on the top half of the plug nor on the valve cover
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The seal is leaking. It's not on top. You can only get to the seal by removing the valve cover.
 
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I don't understand because the tube is metal... the plug is in the cylinder/head... if I had a leak, wouldn't it pool on the top half?
It hasn't leaked enough yet to get that far but it will. Gravity got the oil on the threads as you unscrewed the plug.
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