Quote:
Originally Posted by BoxsterSteve
I use Petro Canada Ultra 94 whenever I can.
The only 93+ octane fuel I can find locally.
Maybe it's just me, but I swear the Boxster pulls harder when running on more than 91 octane.
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I thought Ethanol was a big concern so I'm only using Shell Vpower 91 (only non ethanol in Canada) and adding STP octane boost per tank ...
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2001 Boxster S, Guards Red
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