Re: [ST] New Mobil 1

[Robert Smith <robert@xxxxxxxxxxx>]

At 04:59 PM 04/07/02 -0400, you wrote:
>interesting thing though is that the 15-50 is still NOT energy concerving

I could be wrong, but my understanding is that, in terms of engine oil 
anyway, "energy conserving" simply means lower viscosity.

For example, 5W/30 has lower viscosity across its operating temperature 
range than traditional multigrades like 10W/40 (or 15W/50 for that matter), 
and thereby reduces oil drag inside the engine.

Lower drag = less energy loss = energy conserving.

Robert Smith--Freelance Writer
Vancouver, BC
www.smith.bc.ca


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