Dec 2007 'Engine Oils Approved by Porsche' list;
http://freepdfhosting.com/uploads/9ec1656f78.pdf
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Dec 2007 'Engine Oils Approved by Porsche' list
Moderator: volvite
Here's one of the 'Porsche tests' which allows oils to be included in the above list. Somewhere I've read that the current factory fill for Porsches is Mobil 1 0W40 PAO based synthetic oil.
"Porsche 996FL Engine test. This test will last 203 hours. The engine, and the oil, will go through: - 4 times the simulation of 35 hours of summer driving, - 4 times the simulation of 13.5 hours of winter driving, - 40 cold starts, - 5 times the simulation of 1-hour sessions on the “Nürburgring” racetrack, - 3.5 hours of “running-in” program Measurements on the engine and on the oil will be done at regular intervals, and the following parameter will be taken into account to grant the approval or not: - torque curve (internal friction), - oxidation of the oil, - Piston cleanliness and ring sticking, - Valve train wear protection. Cam & tappet wear must be less than 10 µm. - Engine cleanliness and sludge: after 203 hours, no deposits must be visible. - Bearing wear protection: visual rating according to Porsche in-house method."
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"Porsche 996FL Engine test. This test will last 203 hours. The engine, and the oil, will go through: - 4 times the simulation of 35 hours of summer driving, - 4 times the simulation of 13.5 hours of winter driving, - 40 cold starts, - 5 times the simulation of 1-hour sessions on the “Nürburgring” racetrack, - 3.5 hours of “running-in” program Measurements on the engine and on the oil will be done at regular intervals, and the following parameter will be taken into account to grant the approval or not: - torque curve (internal friction), - oxidation of the oil, - Piston cleanliness and ring sticking, - Valve train wear protection. Cam & tappet wear must be less than 10 µm. - Engine cleanliness and sludge: after 203 hours, no deposits must be visible. - Bearing wear protection: visual rating according to Porsche in-house method."
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