Quote:
Originally Posted by kunkstyle
Or if the owners manual specifies that it take 91 octane, or if it has a high compression rate, or if it has a turbo on it, or if the ECM is programmed for 91...
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yes, but a Mazda 3 GT, owner's manual says 87 octane. Unless arlo turbo'd it, which I doubt, and I don't think he flashed his ECU so that he can use 91 octane fuel.
Anyway, not the point of this thread. Carry on.