To get more FE...drive faster?
Hello all, I've been lurking but this is my first post.
Today I got my best tank ever-31 mpg
It's my highest. Second highest was 30 mpg. I've been keeping track of tank mileage for quite some time now. Here's the kicker. The 30 mpg tank was on a trip back from my brother's place, the 31 mpg tank just occurred on the way back to Findlay Ohio from Detroit. Both tanks happened at a rough average speed of 75-80 mph. You shoulda seen me slingshotting around semis...
Obviously this flies in the face of conventional wisdom that says you must drive slow to get good mpg. In fact, I've been driving like a grandmother lately for just that reason, and I think my best tank in the last 2 months has been 26 or so. Tonight I just wanted to get home yesterday, so imagine my surprise.
The car may have something to do with it. It's a 95 Buick Skylark 4 door 4 cylinder automatic.
Has anybody ever heard of this happening? I've spent the last 3 months staying at or below the limit on the highway, and now I feel silly.
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