Quote:
Originally Posted by bhazard
Well, the car was just over 3/4 tank and I topped it off. Tripmeter showed 101mi, multiply by 1.036 to correct it for oversized tires and get 104.636mi. Divide by 2.74 gallons which is where the pump shut off and I got 38.188 mpg. What? Can a partial grill block seriously give you 10 mpg?
Im skeptical, I dont think Im gonna enter this into the fuel log. Ill run it down a bit and do a real fillup first and see.
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Good call. Short fills (less than half a tank) can give some silly MPG numbers. You're best off waiting till you've gone through most of a tank, you'll get a lot more accurate number that way.