I have heard that what wears out in oil is the additives, used up by the
acid produced during combustion, so that even if you have filtered out all
the particles there is still wear from acid etching.

Not so?

Mike
'85 Westy [and I will change the oil, real soon]

----- Original Message -----
From: Dominique Cormann <kozmik@HOME.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Thursday, December 23, 1999 10:51 PM
Subject: Gulf coast oil bypass filter system.

> Jonathan Bartlett was nice enough to send me some pictures of the oil
> bypass system he installed on his Passat TDI.
>
> The system allows him to do 60,000 mile oil changes. The oil is still in
> good condition as verified by oil analysis testing.