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  1. Optimal gas to use here in the US? Octane vs Ethanol?

    2017+ FIAT 124 Spider General Discussion Forum
    Hello - I'm here in Upstate NY where the majority of our gas has the "Contains 10% Ethanol" stickers on them. When you find non-Ethanol pumps, the octane is usually 90 or 91. When I first bought my Spider Abarth (it still only has around 2500 miles on it!) I used 93 octane fuel with ethanol...
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