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Through sheer inattentiveness, I filled up the GTO on mid-grade, 89-octane gasoline this morning.
I'm not sure how I managed this feat, except that the gas station I visited gave this grade some jazzy name that I must've mistaken for premium. My error dawned on me as I was standing there watching the numbers go by and noticed that the price per gallon was a dime cheaper than usual. The tank was almost full by that time, so I just finished up and told myself that, yes, I am a dork.
I guess it's no big deal. I only lost a couple octane points, and I saved myself a dime a gallon. There was no sign of pinging on my commute, either, so that's good. We'll see what happens as I go through the rest of the tank.
I'm not sure how I managed this feat, except that the gas station I visited gave this grade some jazzy name that I must've mistaken for premium. My error dawned on me as I was standing there watching the numbers go by and noticed that the price per gallon was a dime cheaper than usual. The tank was almost full by that time, so I just finished up and told myself that, yes, I am a dork.
I guess it's no big deal. I only lost a couple octane points, and I saved myself a dime a gallon. There was no sign of pinging on my commute, either, so that's good. We'll see what happens as I go through the rest of the tank.