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Old 04-24-2013, 10:04 AM   #91 (permalink)
MetroMPG
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,532

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

MPGiata - '90 Mazda Miata
90 day: 54.46 mpg (US)

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

Appliance car Mirage - '14 Mitsubishi Mirage ES (base)
90 day: 62.14 mpg (US)
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"payback" for mods to already very efficient vehicles

Quote:
Originally Posted by Daox View Post
How much money do you have into this?
This got me thinking again about the numbers, and the inevitable suggestions to mass produce.

Let's say you could figure out a way to make and sell copies of this tail for $500 apiece. With U.S. gas prices at $3.61, the payback of going from 99 to 109 mpg (US) is a mere...

155,698 miles / 250,571 km

Of course if you halve the cost, or double fuel prices, you halve the payback period/distance.

Food for thought anyway, if financial issues are your main motivation for modding.

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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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