Our Porsche is getting close to rejoining the living, but there was one more thing to pick up: motor oil. When it comes to air-cooled Porsches, opinions abound—ranging from "it doesn't really matter" to "use the wrong oil and your entire family shall perish."
So we asked our engine builder what to do. Back in the day, he was loyal …
How is a modern synthetic not better than some oil formula cooked up back in the day?
Mainly high levels of zinc (ZDDP) and phosphorus that the EPA doesn't like to see in modern oils for emissions purposes. They are bad for cats and emissions equipment but oh-so-good for flat tappet cams and lifters.
would that oil be good for my 1600 VW flat 4 ? I'm not sure what the guy has in it , that I baught it from . I have been busy with my other cars and havent had time to do much with my 1970 Karmann Ghia
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