So I just filled up at 159.3 miles and put in 12.778 gallons for a total of 12.5mpg! Wow.... I honestly didn't beat up that much this tank, I have no idea what the hell is up with me getting such bad mileage. I even did a spark plug/wire/rotor/cap change and a techron treatment.
The guy with the 450rwhp mustang still gets 17-20 when he has a little fun on his tanks.
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