Synthetic oil for I-5s

[Robert Myers]

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In a well lubricated engine frictional heating should be virtually
zero.  If that weren't the case there is no way you could reasonably expect
300K+ miles on an Audi engine.  There are too many stories about "so and so
tore down the engine and still found the original cross-hatching" for there
to be any significant frictional heating at all.

At 02:58 PM 8/19/2003, Bo Young wrote:


>That reminds me of a question that's been bugging me for a while.  Does
>anyone know what percentage of an engine's heat comes from friction as
>opposed to combustion?
>
>If a synthetic oil has a lower coefficient of friction (is more 'slippery'
>than) dino oil, then the engine will generate less heat from friction, but
>that only makes a difference if a significant percentage of heat comes from
>friction.

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One nation, under surveillance. :-(

Bob
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