IMHO I would only use 10-40 in the winter and 20-50
in the summer in a Vanagon. 10-30 on hot days will set off the
oil light at an idle.

            Eric                   86-VW4x4
            vw4x4@fyi.net          72-240z
            Pittsburgh, PA USA     1936-Chrysler

On Wed, 10 Feb 1999, Robyn Rudisill wrote:

> To confuse me specifically the FLAPS has about 11 different brands/types of
> oil filters.  Does it matter what Oil Filter to use?
>
> Also, what are all of the different oil specifiers for?  I am considering
> switching to Mobil 1, couldn't decide which "favor" to get.  They ranger
> form 0W50 to 10W30, but I have no idea what the designators mean.
>
> I am in Omaha, NE and we have seen temperatures from 65 (today) to minus 8
> in December.  Did I mention that I can't wait to move back to Seattle where
> the temperature is moderated by all of that water, both in the Sound and in
> the Sky.
>
>
> thanks for your time.
> Robyn
> 91 Syncro Westy.
>