Should we be using lighter weight oil?

[Dave K.]

The newer engines run tighter tolerances.  The lighter oils are needed to
get into these tighter areas.  This doesn't apply to our "old"  20 valve
engines.

Dave K.
'90 CQ
'99 ML430 with 0W-40 Mobil 1


----- Original Message -----
From: "Christopher Gharibo" <cgharibo at usa.net>
To: "*Quattro List" <quattro at audifans.com>; "20V List"
<audi20v at rennlist.org>
Sent: Sunday, December 29, 2002 9:39 AM
Subject: Should we be using lighter weight oil?


> I have a '91 20V Coupe in the northeast with 20 degree winters and 90
degree
> summers. I noticed Audi and just about every manufacturer is moving
towards
> 0W30, 5W30 type lighter weight oils. Should we be doing the same?
>
> I currently use Mobil 15W50 year-long, changed every May and November.
>
> What's your opinion on moving to lighter oils?
>
> Should I change oil to something lighter in the winters or all year long,
such
> as 10W30 or 5W30?
>
> Thanks,
> Chris
>
>
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