I use the mobile 1 filter and mobile 1 oil (10/50).  The mobile filter was
cheap (on sale for 3$!!!!) and is for the bus and not the jetta/golf. It
does have the backflow valve.  I will first try changing the oil and
filter and then see what i get. Thanks
Matthew

Matthew Pollard             http://www.uidaho.edu/~poll7356
Dept. of Chemistry               http://www.chem.uidaho.edu
University of Idaho                   http://www.uidaho.edu

On Tue, 22 Feb 2000, Stuart MacMillan wrote:

> Matthew,
>
> On my high mileage engine the light will flicker if the oil is too
> thin.  I run mineral based 20w-50 oil and use the Mahle or Mann
> filters.  Sometimes the synthetics are "physically" too thin for a high
> mileage engine, or any engine with some bearing wear. Their better (and
> purer) molecular structure allows them to be physically thinner for the
> same weight rating, which is performance based (by testing), not actual
> physical viscosity.  This gives them the benefit of slightly better gas
> mileage as well.
>
> Mineral based oils with a rating of 20w-50 are more viscous than a
> synthetic rated 10w-50, and will give you higher oil pressure.  It might
> be time to change oil types.
> --
> Stuart MacMillan
> Manager, Case Program
> 800-909-8244 ext. 8208
>
> Getting your share of the Net yet?
> http://cobaltgroup.com
> http://UsedEquipNet.com
>