[Fwd: Re: [Vwdiesel] winter oil]

[TexasTDI]

Group 4 oils are the only true 100% synthetic oils because they're made with
synthetic basestocks.  Group 3 oils are made with dino-oil basestocks.

Chris Thornton
1991 VW Jetta GL 2 Door 1.6D - 233k miles
2000 VW Golf GLS 1.9TDI 130hp/229ftlbs - 73k miles
1998 VW Passat GLS 1.8T -- FOR SALE
Amsoil Synthetic Lubricants Dealer #1098500
http://texastdi.com/6/ubb.x

----- Original Message -----
From: "dominique cormann" <dcormannml at rogers.com>
To: "TexasTDI" <TexasVWdriver at hotmail.com>
Cc: <vwdiesel at audifans.com>
Sent: Monday, November 18, 2002 9:37 PM
Subject: Re: [Fwd: Re: [Vwdiesel] winter oil]


> Yes it is, and that does indeed explain the price differene to a point.
> However the sythetic version from Shell and Chevron are much closer in
> price to Delvac then they are to Duron. So I see this product as a great
> bargain.
>
> Judging from the oil analysis reports done at 10,000 miles from the
> users on Fred's TDI forum, they both appear to be able to run that
> period of time, and provide similiar performance ( wear rates and how
> worn out the oil was ).
>
> Also group 3 oils have some advantages over group 4 and 5 oils. The
> groups numbers increasing does not correlate with quality. Group 3 oils
> have higher additive holding ability, similar to ester base oils ( group
> 5 ) without the issues with seal swelling. It is for this reason that
> PAO (group 4) is usually mixed with ester base oils so that they can
> hold the additive package.
>
>
>
> On Fri, 15 Nov 2002 14:39:44 -0600
> "TexasTDI" <TexasVWdriver at hotmail.com> wrote:
>
> > Duron 5w-40 is cheaper than Delvac-1 5w-40 because Duron is a Group 3
oil
> > and Delvac-1 is a Group 4 oil.
> >
> > Chris Thornton