Synthetic oil

[Andrew Duane USG]

Hairy green toads from Mars made ed armstrong say:

> --- Chander Balakrishnan <balakrishnan3 at comcast.net> wrote:
> > By the way, Castrol Syntec is not really synthetic.
> > They use a highly
> > refined mineral oil as the base stock (group III).
>
> But it says on the packing label for Castro Syntec
> that it is a "full synthetic".  Are they lying or 1/2
> truth ??
>
> The oil is certainly priced like a full synthetic.
> About the same as M1.

Castrol makes both: a semi-synthetic blend (priced at about
$2.50/qt) and a full synthetic (at about $4/qt). I think only
the full synthetic is called Syntec; the blend is labelled
as something else.

--

Andrew L. Duane (JOT-7)			duane at zk3.dec.com
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