Quote:
Originally Posted by bondo
My fuel efficiency numbers always tank in cold temperatures. The air is just denser and any aero modification is not as effective.
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This notion seems to come up frequently, and I want to make sure it's not misinterpreted.
Aero mods on their own aren't less effective in cold weather.
But the overall efficiency of the truck as a collection of systems is reduced in cold weather.
So if one were to methodologically test a particular aero mod in cold vs. warm weather (A-B-A as controlled as possible on the road, or in a lab), you would see a similar result in both temperature scenarios.