Quote:
Originally Posted by TheRoadWarrior
Curious: is Australian 98-100ron fuel the same as the UK octane rating?
Over here the highest octane rating available is 99ron from tesco.
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Octane ratings are done in some kind of contraption in a lab as I understand it. So fuels can perform differently in the real world, even in same country the performance of a say 98RON fuel can vary as far a knock resistance goes.
Best to just log for knock and see which brand of fuel is best.