[s-cars] Re: Mobil 1 0W40

[Kirby Smith]

In other words, a multiweight oil will have a different slope on a log
Cp vs. T graph, as an Oilzum engineer described to me in 1967.

kirby

CyberPoet wrote, in minute part:
>
> Jonathan,
>

>
> Most synthetic formulations use an uncurling long polymer chain that
> changes the effective viscosity (upwards) as the temperature rises, but
> the reference weights listed on the package do not refer to that in any
> sense, as the API's standards for the rating does not include that
> information.