fonque: Sure, one could certainly go too far with a simplistic approach and miss the optimum. No doubt the feedback from a more complete array of parameters could help me optimize the FE even better, but 44% over EPA is not bad, right? I think the Protege is set up to be very sensitive to throttle input changes and also rev the engine high between shifts if there is any significant throttle. Combine that with relatively low gear ratios, and you get the "Zoom-Zoom" sporty feel. But that appears to cost more than a little in terms of FE, so even coarse adjustments based on watching the tach, and driving a bit slower overall has paid off nicely.
I think instrumentation like the ScanGauge would help my wife and I even more in our Honda Odyssy van, maybe not as a percentage of FE improvement, but maybe in terms of absolute gallons saved, since it's starting at a lower FE. Anyone out there with an Odyssey with a story to share?
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