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Oily spark plug threads

Posted: Sun Jul 08, 2018 7:30 pm
by BlackGTX
What do you think off this, new plugs rand for about 5 min

Image

Oil or petrol/carbon mix is working its way up the plugs stopping them earthing

Cause?

Re: Oily spark plug threads

Posted: Mon Jul 09, 2018 2:17 am
by james butler
shouldnt stop it earthing as the crush ring is making contact with the head and body of plug.
can you post another pic of the tip of the plug?

Re: Oily spark plug threads

Posted: Mon Jul 09, 2018 6:09 am
by BlackGTX
It makes its way up and onto the seat of the head and under the crush ring

Tips on cyl 1 4 carbon covered 2 3 wet