On the highway, I can definitely tell it is dragging. I will be looking for something that seems vaguely aerodynamic or just build something else.
I was actually considering 2.89 or 3.07 gears. I'm not sure what I have now, but I want to make my "low" gear have a final drive ratio about equal to the final drive of "second" (next one up)
Another "economy" thing I am doing to do is to run biodiesel. There is a place near my house that sells it for 2.55/gal. Compare that to the current 3.09 most everywhere else.
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