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Having driven with the cover tilted for several months now, and having made no other changes to the truck or driving style (save the most recent tank when I started P&G consistently for the first time) I can say with relative confidence that I did gain roughly 2mpg by tilting the cover.
Before my average was 26, and running empty all highway max was 28
After my average jumped to 28, and my new best was 30.
I also found the thread about the free virtual windtunnel software simulator, and tried it out for open bed, covered, and tilted cover.
Granted it is totally imprecise and inaccurate and unscientific, but no matter how I changed the parameters, tilt clearly had cleaner airflow than open or flat cover.
For me at least, this is a great compromise between aerodynamics and retaining 100% of the trucks practicality, in both driving and capacity.
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Quote:
Originally Posted by Piwoslaw
A few months ago I returned home just as my neighbor pulled into his driveway. It was cold (around freezing) with some rain and sleet, and he yells to me: You rode your bike? In this weather?!?
So the other day we both returned home at the same time again, only now the weather is warm, sunny, with no wind. And I yell to him: You took the car? In this weather?!?
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