Quote:
Originally Posted by Driftomodachi
From what I have heard, 100 octane in Japan is like the 91 octane here and 91 octane there is like the 87 octane here. And since the z is a "world car" the ecu should compensate and performance should improve with the highest octane the car was designed to run on which is 100 octane.
Not sure how true that is
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The US doesn't use Octane, we use AKI, average knock index. You cannot compare it to the rest of the world