Re: oil leaking from spark plug

Posted by Buzzman72 on June 24, 2006 at 11:01:14 from (207.69.137.43):

In Reply to: oil leaking from spark plug posted by klupkes on June 24, 2006 at 10:38:58:

Let's apply a little logic to this problem. If the oil is ORIGINATING from the spark plug area, there are only two possible sources: 1) The oil rings on that piston are shot, and the spark plug is loose, allowing the oil entering the combustion chamber to blow past the spark plug gasket...a long shot, because if it was pumping THAT much oil into the combustion chamber, the smoke out the exhaust would looklike you're burning soft coal; or 2) The oil is coming through a crack in the head in the vicinity of the spark plug.

If the oil is originating somewhere else and just ACCUMULATING at the spark plug area, odds are you probably have a bad valve cover [rocker cover] gasket. The originals were cork, and were prone to get hard and brittle after years of usage. I'd look there first, if the engine isn't smoking like a freight train.

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