Air deflectors-good or bad for FE?
#2
01-07-2008, 08:50 AM
Hybrid and Ethanol Expert
Join Date: Mar 2005
Location: All over the Central U.S.
Posts: 3,616
Re: Air deflectors-good or bad for FE?
Anything that makes your car wider or taller is bad for Fuel Economy.
More so at higher speeds.
If you like them tho... go for it. Your MPG loss will probably be too small to notice, and will proably "cost" you 1 gallon extra per year... or less....
-John
More so at higher speeds.
If you like them tho... go for it. Your MPG loss will probably be too small to notice, and will proably "cost" you 1 gallon extra per year... or less....
-John
#3
01-07-2008, 09:38 AM
Join Date: Nov 2007
Location: Rhode Island
Posts: 322
Re: Air deflectors-good or bad for FE?
#4
01-07-2008, 11:08 AM
Re: Air deflectors-good or bad for FE?
I have them on my FEH, with no observable change in FE. I also removed the roof rack and installed the factory tracks, again no observable change to FE. Probably same with mudflaps, all these things do affect FE but not enough to be noticeable in normal street driving. However tire pressure does make a measurable change in FE.
#5
01-07-2008, 11:18 AM
Join Date: Nov 2007
Location: Rhode Island
Posts: 322
Re: Air deflectors-good or bad for FE?
I have them on my FEH, with no observable change in FE. I also removed the roof rack and installed the factory tracks, again no observable change to FE. Probably same with mudflaps, all these things do affect FE but not enough to be noticeable in normal street driving. However tire pressure does make a measurable change in FE.
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