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The Terminator
Terminator Talk
Does Higher Octane Fuel Burn Cooler?
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<blockquote data-quote="jm@ReischePerf" data-source="post: 8259761" data-attributes="member: 48129"><p>Well he said it will lower the temp but not because the combustion process itself is lower in temp but because the nature of the higher octane fuel creates a rich condition if the tune is not recalibrated.Stoich is the point at which all of the energy in the fuel has been combusted, but the ratio at which this happens is different depending on octane.It has to do with the plug's ability to dissipate heat, not the spark itself. Hotter plugs stay cleaner but have more of a tendency to cause predetonation.</p></blockquote><p></p>
[QUOTE="jm@ReischePerf, post: 8259761, member: 48129"] Well he said it will lower the temp but not because the combustion process itself is lower in temp but because the nature of the higher octane fuel creates a rich condition if the tune is not recalibrated.Stoich is the point at which all of the energy in the fuel has been combusted, but the ratio at which this happens is different depending on octane.It has to do with the plug's ability to dissipate heat, not the spark itself. Hotter plugs stay cleaner but have more of a tendency to cause predetonation. [/QUOTE]
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Does Higher Octane Fuel Burn Cooler?
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