5W30 synthetic in an 8V - was: What Oil to Use in a 16V and 8V?

["Randy B" <sirocco@telocity.com>]

I thought I'd jump in on this.
Living in NorCal the temp ranges from 35 - 95 thru the year.
When I ran conventional oil, I usually ran 20W50 in the summer and 10W40 in
the winter.
Now that I have switched to Mobil 1 full synthetic I run 5W30 all year long.
My new tt motor (now over 20K on it) has always run a little cold, this has
helped bring the oil temps back up.

Why????

Ok here is my warped view of the whole thing. :) (I am not an engineer!-I
just play one on TV)
The thicker the oil, the more drag the motor has on it's internal contact
parts.
If synthetic is so much better then conventional at lubrication and can
handle much higher heat extremes why would you need to use the same weight?
My theory is that 5W30 synthetic probably protects the motor as well and
probably better than 10W40 conventional.
Same lubrication and engine protection with less drag.  :)

Have I completely lost my marbles 8]
Does anyone else out there think this makes sense?
*****If this is wrong, please learn me a little :^)*****

Randy


----- Original Message -----
From: "Ryan McCarthy" <scirocco777@juno.com>
To: <scirocco-l@scirocco.org>
Sent: Saturday, May 26, 2001 9:46 AM
Subject: Re: What Oil to Use in a 16V and 8V?


> Just one question about something I'm not quite getting here: Would you
> recommend 20-50 at 20 below? I just couldn't do it. That seems to be a
> scary concept to me. If I'm wrong according to VW, then I'm wrong, but I
> still wouldn't do it. I don't see why you would even need something that
> heavy in a non-diesel, non-turbo engine. All I'm doing is sharing what,
> according to my experience and knowledge, is what I consider to be
> correct, just like everybody else does. I don't really need buzzers going
> off and stuff telling me I'm wrong. Take my contribution on this subject
> as just that. I believe I am correct and I have explained why, take it
> into consideration or not. Doesn't matter to me.
>
> Ryan
>
> On Sat, 26 May 2001 09:44:55 -0400 Jan Folkson <jfolkson@optonline.net>
> writes:
> > I run 20/50 Quaker State in my car and haven't seen any problems with
> > it.
> > Ryan, perhaps you had oil circulation problems with the Jetta.
> > 20/50 is
> > what the dealer recommended to me when I bought my car in '86 btw.
> >
> >
> > - Jan Folkson
> > NYC, NY
> >
> > http://www.janfolkson.com
> >
> > '86 16V
> > '99 Passat GLS 1.8t
> > '00 Beetle GLX 1.8t
> >
> > >
> > > --- Ryan McCarthy <scirocco777@juno.com> wrote:
> > >
> > > Please, please, do not run 20-50
> > >> in your engine.
> > >
> > > Bzzzzt.  20w50 is the recommended oil for our engines.
> > >
> > >> My father did that to my jetta, before I bought it from
> > >> him, on the
> > >> advice of a mechanic. Two bearings spun and I directly
> > >> link that to
> > >> running too thick a grade in the car.
> > >
> > > Nope.  Total coincidence.
> > >
> > > I run Castrol 20w50 in every VW I own, and will likely
> > > continue doing so for the forseeable future.
> > >
> > >
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> >
> >
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> >
>
>
> Ryan
> '82 Scirocco GL
> '90 Jetta Carat Wolfsburg
> Torrington, CT
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