Quote:
Originally Posted by racepar1
In all cases, no. Generally speaking though higher octane means slower combustion. You can get race gas that will burn as fast or faster then pump gas, but most race fuels don't. What higher octane really means is a higher resistance to combustion. It takes higher cylinder pressures and/or temperatures to burn higher octane fuels efficiently then it does to burn pump gas efficiently.
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Absolutely 100% incorrect on all counts. Burn kinetics at the same octane rating, but with a fuel made of up different compounds(more aromatics, more TEL, etc.), will be vastly different.
Tuning cars on different fuels, and learning a few things about combustion engineer makes this readily apparent.