Quote:
Originally Posted by Nonhog
Thanks bikin'Ed, I'm only interested in my 2 ideas. I've read on aero caps and
like them but not for me. Not a chance on an boattail. I use my truck as a truck and have no pie in the sky ideas about getting great gas mileage with it.
I do think it would be fun to see if I could pick up a couple miles per gal.
Both ideas I have could be removed in a few minutes and easily stored.
I plan to make my own lumber support (rack) because I could use one.
If it ends up being able to direct airflow that helps in fuel efficiency I would just leave it on.
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I think you could make the front part "invisible" to by mating it up to the back of the cab with some type of plastic trim and setting the slope angle to around 12 degrees. I don't expect that you would see any gain but You should not see any loss either. Assuming you have the bed covered, the tail gate cap could double as a spoiler. If you have it raised slightly with a profile that slows the air on the underside, you could create a slight up draft that would help smooth the air flow off the back. You could also just make it a small ridge that would add some local turbulence that way. That would look a little more subtle on a truck but it would also be less effective.
The best bang for your buck is generally an extended air dam under the front bumper. You can use lawn trim plastic for very factory looking results. I boxed off my front bumper by adding flat material to the underside and then adding front wheel well linings to mate up to it. I now have a full belly pan but from what I have gathered, this front end work seemed to do the most good. I just figured why stop there..
