On Sun, Jun 05, 2011 at 05:02:50PM -0700, Loren Busch wrote:
> engine rebuilder here in the NW this very subject came up and he made to
> same point for the same reason.  Our VW engines were engineered 20+ years
> ago and the oils formulated at the same time were for engines of that era.
> Not so with the oils on the shelf today.  I felt a little better when he
> stated that the Mobil One synthetic I use in my 21.L WBX is one exception in
> the off the shelf synthetic stuff.

For those interested in the vendor specs:
http://www.mobiloil.com/USA-English/MotorOil/Files/Mobil_1_Product_Guide.pdf
Lists VW Approved oils  0W-40 (502.00/503.01/505.00)  and 5W-50 (505.00)
as VW Approved for gas engines and ESP formula 5-30 (504/207) for diesels.
The product guide also lists phosphorus and zinc levels, and recommended application.

At little more on this on this on The Samba post:
http://www.thesamba.com/vw/forum/viewtopic.php?p=5323664&highlight=#5323664

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