Quote:
Originally Posted by COcyclist
I think I will go back to setting the cruise control, leaving the car idling between runs while I make mods to hold the cruise setting in the car computer, and using the ScanGuage reset to current mpg to measure the change in aero drag.
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What does this show when you do it windows up / windows down?
I also do this testing only on a dry road as I found that a road with sporadic puddles gave immediate inconsistencies in the results.