Thread: How often to change oil?
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Old 09-18-2011, 01:39 PM   #21
Flavor 987S
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Join Date: Jul 2009
Location: Arlington Heights, IL
Posts: 1,561
Quote:
Originally Posted by Idaho Red Rocket 3
The first choice should be 10W40 year round use.
WRONG. I am not aware of a single Porsche approved 10W40 oil.
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