Hot answers tagged oil
In a word: No. To add more to it: Absolutely Not. There is one huge thing which you have not taken into account. That being carbon which deposits from the air/fuel mixture burning process. Where does it go? Right into the oil (among other places). A small amount of blow by occurs which also forces this mixture down into the crank case. Now you have it in ...
Your logic is way off. You should change your oil and filter at the manufacturers recommended intervals, with an oil of the manufacturers specification. The manufacturers cover many many miles under many differant conditions to decide a specification and in most circumstances the specification cannot be bettered for the intended use of the vehicle.
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