Wayne, you are also incorrect. Higher Octane does not mean the gasoline burns "slower" or "faster". Octane rating is the gasoline's resistance to being ignited by heat. An engine "knocks" or "Pings" when part of the air/fuel charge is set off by something hot like a glowing piece of carbon, or the heat produced by compression. When the spark plug fires and sets of the rest of the fuel, the 2 flame fronts collide causing the "Knock". Higher octane fuel does not have any more BTU's in it than regular. Only a higher flash point. Higher octane gasoline does not burn any cleaner or cooler. All things being equal, the engine running 115 degrees cooler would not produce as much power.
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