If you live anywhere near sea level, it is really a waste of good perfromance to feed your engine 87-octane fuel. Mileage may only suffer a bit, but the knock retard kills HP.... if you want good fuel mileage on regular-grade fuel, by another Honda.
Esh. Yeah I would average 32mpg even driving like an idiot all the time in my honda. Yeah I wish I still have my Edne.
I always ran 87 octane in my old 96 Z six speed. Used to average about 19-22 on normal driving. Consistently got around 28-29 on the highway at 75mph suprised the heck outta me.
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