Reply to To Change or not to Change, Oil

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[quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous]I would change the oil at least once a year.  Oil does in fact oxidize even when not being used.[/quote]

How exactly does a substance “oxidize” in an environment that is almost entirely devoid of oxygen? There is almost zero empty space inside an engine, except under the valve/cam covers, and inside the cylinders themselves, and inside the intake manifold and exhaust manifolds. The rest of the void spaces within an engine block are filled with coolant, and oil.

Please tell me where all the atmospheric oxygen that is in contact with the non-circulating oil is coming from. Because that makes no sense to me. But then again, I’m just some dumb guy who’s built a few engines. [/quote]

Probably the same guys who was here months ago arguing with me that [b]the white steam from car tailpipes at cold mornings is due to water condensation in the engine.[/b]

[/quote]

It is. [/quote]

Explain yourself, please. [/quote]

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