[AT] Synthetic Oil

[Stephen Offiler]

I've got a VW TDI also (mine is a 2013 Jetta Sportwagen) and I found
Spencer's lab test results very interesting.  In my case, I must admit that
the free scheduled maintenance for 3 yrs 36K miles did its job:  get the
customer comfortable with returning to the dealer for maintenance.  With
57K right now, I've never even lifted the hood on that car except to fill
the windshield washer fluid.  I am going to miss it when it's gone.

A comment on the fancy oil VW requires. Yes it's turbocharged as Spencer
mentioned, which creates certain oil requirements, and beyond that is the
issue of the Diesel Particulate Filter.  It is this emission control device
that removes the characteristic diesel smoke and odor.  But the  DPF is
sensitive to ash buildup, and therefore requires a "Low Ash" motor oil.
 (True for any diesel equipped with DPF, not just VW)

SO


On Mon, Nov 14, 2016 at 7:14 AM, Spencer Yost <yostsw at atis.net> wrote:

> It does have one Gil.
>
> Or use 15-40 Rotella in my Ford 861D. It seems to work
>
> Spencer Yost
>
> > On Nov 13, 2016, at 10:13 PM, vschwartz1 at comcast.net wrote:
> >
> > Spencer, does that VW have a turbo?
> >
> > ----- Original Message -----
> >
> > From: "Spencer Yost" <yostsw at atis.net>
> > To: "Antique" <at at lists.antique-tractor.com>
> > Sent: Sunday, November 13, 2016 8:17:45 PM
> > Subject: Re: [AT] Synthetic Oil
> >
> > The only bad thing about my VW diesel(beside dieselgate) , is that it
> requires a synthetic oil that's pretty expensive. And it called for oil
> change intervals of 10,000 miles. I've never been a fan of oil change
> intervals that are that extended and I am certainly not a fan of expensive
> synthetic oil. But because of that expense I decided to use Blackstone
> lab's oil analysis reports to ensure that these extended intervals actually
> were valid.
> >
> > After the free oil changes up to 36K miles, I changed the oil at 10,000
> miles and sent a sample. Oil was absolutely great and still within spec.
> Next oil change I want to 11K and still within spec. And so on our way up
> to 13,000 miles. Oil was still completely 100% within spec and no metals
> that would indicate excessive wear. I stopped there but I could probably
> could change at 15K.
> >
> > So I do believe in those 10,000 mile intervals with synthetic oil for
> that engine. I'll be glad to post the reports if anyone's interested.
> >
> > However....
> >
> > I did it for my Ford power stroke 6.0 L engine too. The shear properties
> of synthetic oil begin to degrade at 10k miles. So I use regular Dino oil
> and change every 3000 miles on that one.
> >
> > Hope this helps,
> >
> > Spencer Yost
> >
> >
> >
> > Spencer Yost
> >
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