Date: Sat, 13 Feb 1999 21:46:30 GMT
From: Riff <>
Subject: Re: 5W50 synthetic oil grade

if you live in cold conditions, use a 0w-30 mobil one, and a 5w50 castrol in summer. Mark Timur T Kadyshev wrote: > > >He is saying that 50 grade oil is TOO heavy for a turbo charged engine. Not > >that difficult is it? He is correct. Any 50 grade oil is too heavy for > >even an OHC engine, let alone a turbo. One needs the thin(ner) oil to > >lubricate quickly from cold, and also when hot. 50 grade might be > >appropriate for an old pushrod engine but not today. > > My '91 9000 CS 2.3 turbo has a plate on the wall next to the oil filler > cap. The plate says: "Elf Synthese 5W-50". I bought the car second hand, > and have no idea where did the plate come from. Should I take it > seriously or switch to 5W-40? > > -- Timur. > Remove double s to send me an e-mail.

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