Ok, I had several highway runs over the weekend, and I have more stuff to report. If I was in 3rd or 4th gear turning on the a/c did not increase my load, and my instant MPG remained the same. A/c on did ding me when I tried p&g though. P&G, 55 mph, windows up, a/c off the SG reported 75-80MPG. The same with a/c on the instant MPG only went to 55-60. I'll probably purchase fuel this evening so I can finish the calibration of the SG, and have the instant MPG readings more accurate.
-Jay
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