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Old 05-20-2009, 03:32 PM   #5
jmatta
Registered User
 
Join Date: Nov 2007
Location: Chicago suburbs
Posts: 1,675
10W40 every 3000 miles for me...not taking any chances after all I've read on the topic.

Now just pick your flavor; mine isn't M1.
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2002 Boxster S
1973 911 Green FrankenMeanie
PCA DE Instructor circa '95
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