Date: Sun, 14 Feb 1999 11:44:33 +0100 From: "Simon Watkins" <106374.2647nopsamuserve.com> Subject: Re: 5W50 synthetic oil grade
Is the 9-3 you are talking about a turbo model? -- Spammers, here's some for you: fraudinfonopsamet.com sweep.daynopsam.gov.au ucenopsamgov Eoin wrote in message <36c59084.1381284nopsam1.ibm.net>... >I am NOT being fecetious when I ask why, then, Saab specifically calls >for a 15W-50 or 20W-50 in new 9-3s if regularly driving them in temps >above 60 degrees. What has changed? > >>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. I guess the ideal oil >>for a Saab would rate something like a 0W-40 synthetic. Anyone who says you >>can't use a synthetic in a Saab engine is lying. Saab actually market their >>own Turbo spec oil. Funny old thing, its a synthetic. Go figure. >> >>-- >>Spammers, here's some for you: fraudinfonopsamet.com >>sweep.daynopsam.gov.au ucenopsamgov >