Thread: Different Gas, Car feels different??
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Old 06-22-2005, 12:04 PM   #10
Brucelee
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91 seems fine in all my Porsches!




Quote:
Originally Posted by FUHRIUS
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?
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