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Old 02-14-2009, 10:28 AM   #6
jmatta
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Join Date: Nov 2007
Location: Chicago suburbs
Posts: 1,675
Jake and Charles have witnessed way too much damage from lack of proper lubrication on motors using exclusively Mobil 1. Though they will not recommend an oil (too much flack) I have read users recommending Castrol Full Synthetic 5W/40. I also hear Swepco would be an excellent alternative.

My Porsche tuner highly recommends Royal Purple.
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2002 Boxster S
1973 911 Green FrankenMeanie
PCA DE Instructor circa '95
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