Well, I'm not sure "accuracy" is a real concern, if we are talking about something absolute. I'm looking for "relative" figures. In other words, if I make a run and the data graph shows a peak of 550 ft lbs, then I tweak something and make another run that shows 575 ft lbs as the new peak, is it TRULY showing an increase in torque? I don't need to know the figures are accurate, only that an actual RELATIVE increase in torque has resulted from the tweak.
And yes, I would think a measurement that would show the amount of time to reach a certain speed via HPTuners would be just as informative as seeing what your quarter mile times were at the track. Perhaps setting beginning and ending points for mph and determining the elapsed time between those two points would be helpful. If it takes you 4.2 seconds to go from 35 to 90 before a tweak, but only 3.5 seconds afterwards, that would be pretty reasonable evidence that your tweak had a positive change in performance.
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