[s-cars] super tech brand synthetic oil - thoughts?

[jpb3]

All,

Well I switched my 1990 V8 to synthetic at 90K miles and it started leaking
like a sieve.  It's the only time I have had any trouble switching from dino
to Synthetic but it was enough evidence for me that it can contribute to
leaks.

FWIW

john b


On 12/6/05, LL - NY <larrycleung at gmail.com> wrote:
>
> Tim,
>
> Most of the cars that I have switched to synthetic have had
> 100K miles or more. No problems. Then again, the lowest
> milage of changeover was my Saabaru at 1.5K miles. It
> occasionally has a sudden oil loss, no leak. I wonder if I
> should've had the dino stay in a little longer?
>
> The biggest leaker was my 4KQ, but that had nothing to do
> with the oil, it just seemed to like a new valve cover gasket
> every two years, milage unrelated. Go figure.
>
> LL - NY
>
> On 12/6/05, Lee Levitt <lee at wheelman.com> wrote:
> >
> > Tim,
> >
> > I've switched most of my cars to synthetic since about 1979, probably
> > accounting for 700K miles or so. Volvos, Audis, Land Rovers, Mercedes,
> > ranging from brand new engines to ones that had, on average, 60-75K. The
> > Mercedes is both my most recent and highest mileage. I switched my S6 at
> > 75K.
> >
> > I did not switch a couple of cars in the early days of synthetic, namely
> a
> > couple of 4 cylinder (B20) Volvos that had 60-120K miles on them. The
> > latter
> > one went through enough oil that it would have cost a fortune to use
> > synthetic :)
> >
> > In all of that time I have not had a seal go on any of my cars...
> >
> > Of course, YMMV.
> >
> > Lee
> > '96 A6 2.8 quattro avant 112K (Mobil 1)
> > '93 Mercedes 300D 2.5 180K (Mobil 1 Delvac)
> >
> >
> >   _____
> >
> > From: tim rad [mailto:tr0910 at gmail.com]
> > Sent: Tuesday, December 06, 2005 3:01 PM
> > To: lee at wheelman.com
> > Cc: chris chambers; Scar
> > Subject: Re: [s-cars] super tech brand synthetic oil - thoughts?
> >
> >
> > Based on your thoughts, I'll switch mine too.....
> >
> > Tim
> >
> >
> > On 12/6/05, Lee Levitt <lee at wheelman.com> wrote:
> >
> > Tim writes:
> >
> > > I haven't put it in my S4 as it already had 140,000 mi when I
> > > bought it.
> > > Most of its oilchanges were at the dealer so I doubt it was
> > > seeing synthetic.  I was concerned about converting to
> > > synthetic on high mileage engines.
> >
> > Tim,
> >
> > I've heard lots of *old* stories about that. At 180K miles I converted a
> > 2.5L Mercedes turbodiesel to synthetic, and have not had a problem.
> >
> > Do you know of *anyone* that has converted an engine in the past five
> > years
> > to synthetic and had a problem?
> >
> > Lee
> >
> >
> >
> >
> >
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> >
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