Wednesday, December 05, 2007

Oils: What motor oil should I use? Which oil is best for my Porsche or aircooled engine?

Oils: What motor oil should I use? Which oil is best for my Porsche or aircooled engine?

Here is some of the research and testing I've been conducting to better inform my customers and the Porsche community as a whole to the dangers of using a CJ-4 or SM rated oil in their older Porsches, which some of the testing has been done in my '91 for purpose of comparing UOAs (used oil analysis).

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