Quote:
Originally Posted by dmac257
when you say "gearing sweet spot" are you stating a physical speed that is a "design spec" ie. something I can look up someplace or something that I would need to measure by making runs at different speeds and calculating? I don't have any way to measure mpg in real time so would be interested in knowing this "sweet spot" for my cars.
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The optimum speed for best MPG is a balance of a great many factors, and many are not constant. For this reason it is always changing with conditions, for example the changing inclination of the road.
You need a real-time feedback to fully utilize this information.
In a pinch a vacuum gauge can get you pretty close.