Quote:
Originally Posted by Gealii
considering all the results from wheel skirts even if the air is still affected on the inside it is not on the outside and the airflow smoothly flows over them avg gains are normally very noticeable. at any speed aero helps the faster you go the more they help but there is a wall were it advances your max speed to keep the same mileage as a lower speed without mods. the reason there is parasitic drag on airplanes even with fairings is because the airflow wants to smoothly flow over the bottom being interrupted by another object
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Every vehicle may be different. Way too much rationalizing - not enough testing.
And as another member has pointed out, even testing has to be taken with a grain of salt or more, because we can inadvertently, subconsciously, affect the test by a subtle lighter foot on the gas pedal with our favored mod on than with it off.
And that knife cuts both ways -- we can adversely affect a test subconsciously (or even on purpose) on mods we don't like or support.
There is no substitute for doing your own testing.