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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Today's Featured Article - An Old-Time Tractor Demonstration - by Kim Pratt. Sam was born in rural Kansas in 1926. His dad was a hard-working farmer and the children worked hard everyday to help ends meet. In the rural area he grew up in, the highlight of the week was Saturday when many people took a break from their work to go to town. It was on one such Saturday in the early 1940's when Sam was 16 years old that he ended up in Dennison, Kansas to watch a demonstration of a new tractor being put on by a local dealer. It was an Allis-Chalmers tractor dealership,
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