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Originally Posted by Timetrvlr
There was a time when any Italian race driver would rip rear view mirrors off before the race, his only concern was to pass those in front of him. I supose that would be a poor attitude for a Hi-Miler though.
Please post the results of your experiment and whether it was a fast trip or slow one. I'm sure you're right about the drag only being significant at highway speeds. I suppose auto makers will eventually realize there is a significant gain in milage that could be made by streamlining the underside of automobiles.
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I took my roof rack off a couple months ago. It is real easy to do....takes less than 5 min with no tools required.
I haven't noticed a huge mpg difference. Maybe .5-1mpg....but then again mine is just breaking in, so I don't know if this is due to the rack or the engine. I also don't drive a lot on the hwy...where you'd get more benefit out of the roof rack removal.
I have noticed a big 1-2mpg decrease with the use of A/C (even the normal re-circ that shuts the engine off).
Nate