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Old 12-02-2011, 04:13 AM   #13
jmatta
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Join Date: Nov 2007
Location: Chicago suburbs
Posts: 1,675
Take JFPs advice...I've been running 10W40 Castrol Syntec in Chicago's hot summers with great results for years. No clatter on start-up and I change it every 3k miles (once a year).
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2002 Boxster S
1973 911 Green FrankenMeanie
PCA DE Instructor circa '95
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