> The only time oil and gas can meet is through either the valves or > the rings (assuming the intake tract is working properly). Assuming > the valve seals are in good shape, that only leaves the rings. The > cylinder walls are lubricated by oil splashing and spraying on them > and at the same time (almost) they are exposed to combustion chamber > gasses. I would guess that the amount of gasoline and additives that > ends up in the oil is directly proportional to the sealing capability > of the rings. I would expect that an engine with worn rings would > dirty its oil almost immediately. Has anyone experienced this? > > -David No, but looking at it the other way, take a look at your spark plugs on an engine with worn rings. Yechh! I also think worn valve guides could be a source of oil/gas mix problems. -Erik. NSC Analog Automotive Systems Tel. (408)721-3476 Fax (408)721-8292 M/S C2480
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