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FUHRIUS · 06-22-2005, 10:06 AM

I can only find 91 octane at chevron...

though the books on the car suggest using 93 octane.

anyone ever used an octane additive in the boxster?

06-22-2005, 10:06 AM	#9
FUHRIUS Registered User Join Date: Oct 2004 Location: Los Gatos, CA Posts: 265	I can't even find 93 octane here... I can only find 91 octane at chevron... though the books on the car suggest using 93 octane. anyone ever used an octane additive in the boxster? __________________ 01 S - gone