[Vwdiesel] Amsoil

[TexasTDI]

Virtually every oil on the market is made for diesels and gassers, "C" and
"S".  I seriously doubt you'll find a multi-weight oil that is only "C"
rated for diesels.  AFAIK only single weight oils are diesel specific, like
SAE 30 and SAE 40.

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

----- Original Message -----
From: "gary" <gbangs at cfl.rr.com>
To: "TexasTDI" <TexasVWdriver at hotmail.com>
Cc: "Scott Kair" <scott3491 at insightbb.com>; "VWDiesel" <vwdiesel at vwfans.com>
Sent: Sunday, July 20, 2003 5:25 PM
Subject: Re: [Vwdiesel] Amsoil


> A diesel specific oil has a special additive package specifically for
> soot suspension. And if I'm not mistaken, it has a higher zinc content
> than non. Zinc is a high pressure lubricant. Too high a zinc content
> will foul spark plugs in a gasser.
>
> If you look at the so-called oil rating circle, you will see SJx only,
> SJx/Cx,Cx/SJx, or Cx only. Where SJx only has no soot suspension
> properties, SJ/Cx has some, and Cx/SJ has a bit more, and Cx only has
> much more. Also with increasing levels of zinc.
>
> There was an oil comparison site that explained all of this, of which I
> don't remember where. Sorry.
>
> -Gary in Oviedo
>
>
> On Sun, 2003-07-20 at 14:40, TexasTDI wrote:
> > What's your definition of "diesel specific"?  An oil that's only for
> > diesels?
> >
> > Shell Rotella T 5w-40 synthetic oil is CH-4 for diesels and SL for
gassers.
> > Amsoil 15w-40 synthetic oil is CI-4 for diesels and SJ for gassers.
> >
> > Chris Thornton
> > 1991 VW Jetta 2 Door 1.6 Diesel - 238k miles
> > 2000 VW Golf 1.9TDI (turbo diesel) - 84k miles
> > Amsoil Synthetic Lubricants Dealer #1098500
> > http://www.amsoil.com
> >
> > ----- Original Message -----
> > From: "Scott Kair" <scott3491 at insightbb.com>
> > To: <vwdiesel at audifans.com>
> > Sent: Sunday, July 20, 2003 10:36 AM
> > Subject: Re: [Vwdiesel] Amsoil
> >
> >
> > > Chris,
> > >     While I can't comment on Amsoil, I've been delighted with Shell
> > Rotella
> > > Synthetic, which is  Diesel specific.  There have been enough positive
> > > comments on Synthetics that when it became available here I tried it
out
> > of
> > > curiosity, having used Rotella Dino for years.
> > >     Cold weather starting was the main recommendation and I found the
> > > Rotella Synthetic to be a boon.  I drive a plow truck, and with our
wet
> > > winter here, the car was parked out in the mess for extended periods.
> > Upon
> > > cold startup after that, the engine seemed to spin over more easily,
and
> > the
> > > oil pressure warning light went out within about three seconds instead
of
> > > flickering endlessly while my heart stopped.
> > >     The stuff went on clearance, so I bought a bunch of it and started
> > using
> > > it full time.  Early this spring, I took it in for a tbelt,
thermostat, &
> > > water pump change and my mechanic remarked that the valve train was
clean
> > > enough to eat off of, which could only be attributed to the oil.
> > >     Unfortunately, this caused a feeding frenzy at Walmart's clearance
> > rack,
> > > as he and much of his family drive Diesels, too.   :)
> > >     I'm still not comfortable with extended drain intervals, though,
but
> > > realize that quarterly/ 3k mi. changes are a waste of oil.  I've
switched
> > to
> > > 3x/ yr., which is still probably not economically optimal, but I can
buy a
> > > whole lot of oil for the price of a new engine.
> > >     HTH,
> > >     Scott Kair
> > >
> > > ----- Original Message -----
> > > From: "Mary Beth and Chris Geiser" <geiser at execpc.com>
> > > To: <vwdiesel at vwfans.com>
> > > Sent: Sunday, July 20, 2003 7:06 AM
> > > Subject: [Vwdiesel] Amsoil
> > >
> > >
> > > > Hi guys,
> > > > The "new" '92 Ecodiesel I just picked up has 15-40 Amsoil in the
> > > > engine.  That website recommends going a year or 25,000 miles
between
> > > > oil changes.  That seems like too long / too much crud could build
up in
> > > > the oil.  Thoughts?  I've always used a good dino oil and changed
often
> > > > - is there any source (other than manufacturer) to know which is
really
> > > > better and how long to go on a change?
> > > >
> > > > Thanks,
> > > >
> > > > Chris
> >
> > _______________________________________________
> > vwdiesel mailing list
> > vwdiesel at vwfans.com
> > http://www.audifans.com/mailman/listinfo/vwdiesel
>
>