Oil on #2 Plug
12-16-2001, 04:16 PM
#1
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Location: NY
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Oil on #2 Plug
Just had a valve job done 3 months ago for my 86 951. Pulled spark plugs today and found what I think is oil build up on #2 plug. Did a compression check and everything looked even. I guess I should do a leak down next. Any advice, also where is a good place to buy leak down equipment? Local places did not seem to have it.
12-16-2001, 10:53 PM
#2
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It takes some miles for the seats to wear in. I had 3000 on mine when I pulled the head, and #3 had traces of oil on the exhaust valve stem. It had not seated yet.
Just replace the plugs, filler up with the good stuff, and put some more miles on it. Highway miles are best to seat the head.
Just replace the plugs, filler up with the good stuff, and put some more miles on it. Highway miles are best to seat the head.