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Date: Tue, 07 Mar 2000 09:26:54 GMT
From: "Michael Rochfort" <>
Subject: 900 Turbo oil consumption

What would be an acceptable level of oil consumption for an '83 900 Turbo? Mine has about 175,000km (110,000 miles) on the clock. The car has had a history (now solved) of overheating. The head gasket has been recently replaced, at which time the mechanic (a trusted relative) said that the bores and pistons seemed to show little wear. No oil is visible in the coolant or vice versa. There are no leaks to speak of. There seems to be no smoke, except a small amount occasionally after a long idle. This clears once underway again. One other perhaps related symptom is that the oil pressure warning comes on momentarily with a heavy application of the brakes. I have seen this problem before on my old 99. It was fixed by replacing the oil pressure switch. As a secondary question, what grade of oil is recommended for this car? My owner's manual says 10 w 30, 10 w 40 or 5 w 50. These seem much too thin to me. The oil on sale here in Australia (tropical in summer, never snows or freezes in winter) are all 25 w 50 or so, and it is nearly impossible to find any of the advised grades. I ask because the oil consumption has been noticably higher since I changed to the thinnest oil I could find (15 w 40), and the oil light problem has become more frequent as well. The car has used a litre (quart?) of oil in the last 2000 miles. Thanks in advance for any replies. -- Michael Rochfort To reply remove "nospam" from email address

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