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				Different Gas, Car feels different??
			 
 
			Hey all...
 I have been filling up with Sunoco Ultra 94 gas (the one with 10% ethanol), as this is the highest octane gas around me, but I recently filled up with Shell V-Power gas (91 octane) and the car feels faster and smoother?????
 
 Can it be that the boxster does not like ethanol additives in its gas?
 
 Mike
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