10-02-2013, 05:38 PM
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#1 (permalink)
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Master EcoModder
Join Date: Aug 2013
Location: Richmond, VA
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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 10:27 AM..
Reason: (added photos from build thread)
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The Following 12 Users Say Thank You to whatmaycome14 For This Useful Post:
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BamZipPow (05-14-2015), California98Civic (10-03-2013), Cd (05-13-2015), christofoo (10-03-2013), drees (10-03-2013), DukeEcoNukem (06-16-2016), GeekForLife (10-03-2013), jedi_sol (10-02-2013), JRMichler (10-02-2013), OG VX (08-21-2015), redpoint5 (10-02-2013), Xusn96 (05-13-2015) |
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10-02-2013, 07:11 PM
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#2 (permalink)
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Master EcoModder
Join Date: Mar 2009
Location: Tustin, CA
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nice! got pics the dam?
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10-02-2013, 08:00 PM
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#3 (permalink)
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Spaced out...
Join Date: Jul 2013
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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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-Mike
2007 Ford Focus ZX5 - 91k - SGII, pending upper and lower grill bocks - auto trans 
1987 Monte Carlo SS - 5.3/4L80E swap - 13.67 @ 106
2007 Ford Focus Estate - 230k - 33mpg - Retired 4/2018
1995 Saturn SL2 - 256K miles - 44mpg - Retired 9/2014
Cost to Operate Spreadsheet for "The New Focus"
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10-02-2013, 09:44 PM
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#4 (permalink)
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Not Doug
Join Date: Jun 2012
Location: Show Low, AZ
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That is one of the largest improvements that I have seen for almost any modification.
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10-03-2013, 02:59 AM
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#5 (permalink)
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Sport Compact Driver
Join Date: Apr 2012
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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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10-03-2013, 10:29 AM
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#6 (permalink)
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Batman Junior
Join Date: Nov 2007
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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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10-03-2013, 01:23 PM
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#7 (permalink)
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Cyborg ECU
Join Date: Mar 2011
Location: Coastal Southern California
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Nice work. Thanks for the report.
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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10-03-2013, 01:27 PM
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#8 (permalink)
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Master EcoModder
Join Date: Aug 2013
Location: Richmond, VA
Posts: 447
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Quote:
Originally Posted by MetroMPG
Added photos from the build thread.
Thanks for doing the testing - it's time consuming, but worth the effort.
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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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10-03-2013, 01:57 PM
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#9 (permalink)
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Not Doug
Join Date: Jun 2012
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Quote:
Originally Posted by whatmaycome14
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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10-03-2013, 02:41 PM
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#10 (permalink)
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EcoModding Lurker
Join Date: Oct 2013
Location: houston texas
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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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