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2002 996 Sunoco GT100 100 Octane Fuel

Fuel System

Vehicle Information: Year: 2002; Body Type: Coupe; Total Mileage: 3017;

I regularly tank up my '02 996 with Sunoco's 94 octane, the highest I've found in my central New Jersey area. There are two Sunoco stations in New Jersey that sell their GT100 100 octane racing fuel. What are the potential benefits / detriments of occasionally (say one full tank every other month) "treating" my car to this highly-caffeinated snack? Thanks much in advance.

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