[Vwdiesel] Amsoil

[TexasTDI]

Oil does "wear out".  If the Total Base Number (TBN) gets down too low (5
and below) the oil is starting to break down and no longer doing it's job of
protecting the motor.

Go to http://theoildrop.server101.com/cgi/ultimatebb.cgi for all you'll ever
need or want to know about motor oil and other lubricants.

 Chris Thornton
1991 VW Jetta 2 Door 1.6 Diesel - 238k miles
2000 VW Golf 1.9TDI (turbo diesel) - 85k miles
Amsoil Synthetic Lubricants Dealer #1098500
http://www.amsoil.com

> ----- Original Message -----
> From: "Gerry Wolfe" <gerry.wolfe at sympatico.ca>
> To: <vwdiesel at vwfans.com>
> Sent: Monday, July 21, 2003 12:44 PM
> Subject: Fw: [Vwdiesel] Amsoil
>
>
> > Oil doesn't really wear out.
> >
> > It does pick up a bunch of byproducts-of-combustion that can create some
> > ugly acids etc. that are offset/neutralized by the additive packages.  I
> can
> > see where overdoses of additives can  counteract this to allow for
longer
> > drain intervals, and periodic testing can identify when these
neutralizers
> > have been used up.
> >
> > With a diesel, we also have soot being added to the oil.  I suspect
these
> > are relatively inert, but they are solids.  Unless there were a bypass
> > filter, or unless you changed the main filter regularly, these would
> > increase over time and no amount of additional additives or testing
would
> > remove them.  They can't be good for lubrication.
> >
> > For that reason, I stick with a 15w40 diesel-specific (cheal) dino oil
> such
> > as a Rotella and change regularly instead of using a more expensive
synth
> > changed less regularly.
> >
> > Over the winter, however, I treat my baby with a lighter-grade 5w40 or
> 0w40
> > (overkill for the Toronto Ontario winters) and acknowledge that synth
oils
> > are the only ones in this range.
> >
> > Just my $0.02 Cdn...
> > :o)