Quote:
Originally Posted by akima
That's the "premium" high octane stuff right? What benefit is there to topping up with that?
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As allanoue noted, in the U.S. 87 is the "regular" grade. Most gas in the U.S has 10% Ethanol added - which I recommend staying away from if possible.
Running the lowest grade fuel that doesn't detonate will always give you the best performance and mileage - and gas without Ethanol increases both.