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elfer4s
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South Florida......oil
elfer4s replied to tgibson1's topic in 997-1 Series (Carrera, Carrera 4, Carrera 2S, Carrera 4S)
I'm a retired Mobil Oil exec who's also into Porsches. I just visited Zuffenhausen in July. Each engine is tested with and refilled at the factory with Mobil 1 0W-40. Despite the fact that Porsche doesn't know the ultimate operating destination of each vehicle. Porsche and Mobil developed the 0W-40 jointly. And as noted above, "I would stick with only what Porsche recommends". And our research folks do too. I was chided by the head of Mobil 1 research for mentioning that I would put Mobil 1, 15W-50 into my 997. He said that the 0W-40 is the oil to use. (Suspect that it has something to do with the hydraulic lifters, but don't quote me.) -
C4S oil use
elfer4s replied to de36band's topic in 996 Series (Carrera, Carrera 4, Carrera 4S, Targa)
The 0W (zero W) designation means that the oil has the viscosity of a 0W oil at 32 oF (which is what you might want starting the engine if you lived in a cool or cold climate). Pretty lightweight. The 40 weight is a measure of the viscosity of the oil measured at 210 oF (in theory, normal engine oil operating temperature. Not as thick as a 50 weight, but pretty thick. Clear up some confusion? Carl