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Old 10-02-2013, 04:38 PM   #1 (permalink)
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Thumbs up Front Air Dam ABA test results: 7.49% increase in MPG at 60 mph (2003 Honda Civic DX)





ABA test today was as follows:


I used the same 4mi. course that I did for my wheel covers. 2mi up, 2mi back, then averaged. Speed was 60mph, windows up, A/C off, radio off, fan on.

(Without Air Dam)
A1: 45.10mpg
A2: 44.45mpg
A3: 44.50mpg
AVG: 44.68mpg

(WITH Air Dam)
B1: 47.80mpg
B2: 48.25mpg
B3: 48.05mpg
AVG: 48.03mpg

(Again, without)
A1: 44.75mpg
A2: 44.6mpg
A3: 44.5mpg
AVG: 44.62mpg

I took the average of the closer results: 48.03mpg is a 7.49% increase over 44.68mpg!

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Last edited by MetroMPG; 10-03-2013 at 09:27 AM.. Reason: (added photos from build thread)
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Old 10-02-2013, 06:11 PM   #2 (permalink)
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nice! got pics the dam?
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Old 10-02-2013, 07:00 PM   #3 (permalink)
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Well done! Makes me that much more motivated to make one of my own.

jedi sol: http://ecomodder.com/forum/showthrea...ete-27138.html has pictures.
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Old 10-02-2013, 08:44 PM   #4 (permalink)
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That is one of the largest improvements that I have seen for almost any modification.
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Old 10-03-2013, 01:59 AM   #5 (permalink)
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Sounds like my experience with airdams...
I have observed between 5%- 15% increases, between a few differant cars.
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Old 10-03-2013, 09:29 AM   #6 (permalink)
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Added photos from the build thread.

Thanks for doing the testing - it's time consuming, but worth the effort.
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Old 10-03-2013, 12:23 PM   #7 (permalink)
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Nice work. Thanks for the report.
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Old 10-03-2013, 12:27 PM   #8 (permalink)
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Quote:
Originally Posted by MetroMPG View Post
Added photos from the build thread.

Thanks for doing the testing - it's time consuming, but worth the effort.
Just this morning I realized I'm going to have to test it again after I do full belly pans for front and back to see if it is "needed" at that point. Oh, joy.

It actually didn't take that long to take off or put back on, maybe 10min?
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Old 10-03-2013, 12:57 PM   #9 (permalink)
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Quote:
Originally Posted by whatmaycome14 View Post
Just this morning I realized I'm going to have to test it again after I do full belly pans for front and back to see if it is "needed" at that point. Oh, joy.

It actually didn't take that long to take off or put back on, maybe 10min?
Yes, but will you do A-B-A with the belly pan?

I do not think that any of us will blame you if you forgo it.
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Old 10-03-2013, 01:41 PM   #10 (permalink)
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Got a question. I have a 2012 Chevy sonic turbo sedan. I was wondering if a air dam is better to have than full under body panels? I'm thinking underbody based off of knowledge I have gathered from this site and others. Could some confirm this for me?

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