Welcome James.
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Originally Posted by ijames
First step is a 40% tonneau cover that I threw together and installed today.
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Good start.
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Originally Posted by ijames
While I log a few tanks I'm going to research lowering the truck maybe an inch in front and 2-3 inches in back. Right now it sits with a pronounced rake, about 1-2 inches higher in the back, so I want to level it and lower it some.
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There has been some discussion that the rake may be beneficial keeping the rear of the vehicle closer to the template. Don't believe there was any mention of pickups but with the 40% tonneau rake might be good. Lowering can also increase mileage. So you you may want to test the different configurations.
While your truck isn't old you may want to compare it a newer model and see if there are any ideas worth stealing.
Quote:
Originally Posted by ijames
I'm hoping between lowering and the cover I can add 2-4 mpg at 75 mph for when I need to hurry, and maybe 1-2 at 62 when I'm trying to be frugal.
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Not going to happen that way. Your own numbers show a 6 mpg fall off from 60 to 75 mph. Even with mods you will see less of a increase a higher speeds.
Quote:
Originally Posted by ijames
After that, we'll see - of course I have fantasies and mental designs for a full aero cover floating around already.
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Guys having done this report good results.
If you haven seen this a great place to start. Driving style changes are free and have the highest payback short of changing vehicles.
100+ Hypermiling / ecodriving tips & tactics for better mpg - EcoModder.com