" fuels with higher octane ratings burn less easily"


I think I should rephrase what I said. The lower octance burns easier which could also be called faster.

however that inhenerently mean that it will take longer from the earlier "knocks" to the end of combustion cycle.


where as higher octane, starts later, so I guess it could be called slower. It is more resitance to the start of the combustion. however the total span of time during which the fuel is consumed is shorter.


That might have been the confusion.