493.4mi, 64.8mpg. This time, I prioritized saving time a little more than saving gas. I set off with the mindset of "60mpg is good enough", and I figured I would pulse-and-lean-burn the whole way.
I felt kind of ... un-green ... doing 80mph down the hills of Indiana, and liberal throttle going up the hills. But if you have to exceed your lean burn cruise speed, pulse and lean burn on the hills is the best way to go.
I pretty much cruised at 67-69mph, the threshold of lean burn, on the flat parts. I could have squeezed out six more mph, but that would have cost me lean burn, which is a really big deal. If only my aerodynamics were a little bit better, I wouldn't have to choose.
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