Quote:
Originally Posted by getnpsi
Octane number is a rating of the detonation properties of the fuel...
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Agreed. Another otane attribute is burn rate. The higher the octane number, the slower the burn rate. The slower the burn rate, the more stabil it is, and less likely to detonate. But... this also works to hurt engine performance. Much like really low compression ratios, too high of octane fuel used with too slow a burn rate in a given engine makes it a lazy pig, down on power, not effeicient, and likely (I've never tested this) a fuel waster.