Thread: 50 Weight Oil?
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Old 08-06-2009, 05:13 AM   #3
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Join Date: Nov 2007
Location: Chicago suburbs
Posts: 1,675
I second Castrol Syntec 10W40...I've used it, though my usually flavor is Royal Purple (the Castrol is probably just as good and half the cost). xW50 weight oil is fine for warm/hot weather, but I wouldn't run it in winter...too thick.
2002 Boxster S
1973 911 Green FrankenMeanie
PCA DE Instructor circa '95

Last edited by jmatta; 08-06-2009 at 05:17 AM.
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