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Premium Fuel

  • 1999
  • 911 Carrera
Mileage: 
48 000
Fuel System
Essex Junction, 
Vermont

In Vermont ethanol premium fuel is readily available at 91 octane. Is this an acceptable alternative to 93 octane with 10 percent ethanol?

I recently bought the car in Nashville, TN. where the previous owner ran 93 octane as ethanol free is not available there.

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