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Old 10-28-2014, 04:49 AM   #10
Flavor 987S
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Join Date: Jul 2009
Location: Arlington Heights, IL
Posts: 1,561
Mobil 5W50 April through October. Porsche approved. Winter hibernation November through March. Redline 5W40 and Joe Gibbs DT 40 5W40 are also good oils. I don't like Mobil 0W40. 5,000 mile intervals. OE Porsche filters. Blackstone UOA's.
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