Date: Sat, 13 Feb 1999 20:28:35 GMT
From: timurnopsam.mipt.russ (Timur T Kadyshev)
Subject: Re: 5W50 synthetic oil grade

>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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