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Old 10-31-2015, 06:40 AM   #7
thstone
Certified Boxster Addict
 
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
Change oil every 2-3 months (every 3 race weekends). Mobil 1 High Mileage. Oil level never changes. 90K mile engine from salvage yard. Engine driven to/at redline continuously for 2-3 hours per weekend.
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1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
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