Quote:
Originally Posted by slowmover
Average MPH is simple. The distance travelled from engine-start to engine-stop, cumulative, between re-fills. All else is cherry-picking data (and essentially meaningless as it is removed from this context).
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Agreed, however, the only thing I would clarify is that technically one should use ECM/vehicle "on time" instead of engine on time. This is usually pretty much the same thing--unless one does engine off coasting. I just computed my average speed using engine on time and came up with 102.3 mph
