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Old 04-02-2018, 09:44 AM   #46 (permalink)
MetroMPG
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,515

Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 52.71 mpg (US)

Even Fancier Metro - '14 Mitsubishi Mirage top spec
90 day: 70.75 mpg (US)

Appliance car - '14 Mitsubishi Mirage ES (base)
90 day: 52.48 mpg (US)
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"Kammbacked" Civic sedan

Tardy reply - apologies...

Quote:
Originally Posted by mpg_numbers_guy View Post
I know there have been myriads of threads related to kammbacks and boattails for hatchbacks, but how about sedans?






I "Kammbacked" my 2007 Civic so that I could later add a full tail and keep the "template" curve.



Unfortunately, the Kammback mod on its own (no tail) appeared to make NO difference in A-B testing:

Quote:
I actually also compared Kamm alone (no tail) vs. bare car, and the Kammback appears to have made no difference. 49.2 mpg with it on, 49.2 mpg with it off, 8 runs total (each way).
Build thread: http://ecomodder.com/forum/showthrea...dan-31498.html
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Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata
Honda mods: Ecomodding my $800 Honda Fit 5-speed beater
Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage.
Ecodriving test: Manual vs. automatic transmission MPG showdown



EcoModder
has launched a forum for the efficient new Mitsubishi Mirage
www.MetroMPG.com - fuel efficiency info for Geo Metro owners
www.ForkenSwift.com - electric car conversion on a beer budget
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