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Old 11-18-2010, 01:37 PM   #5 (permalink)
MetroMPG
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,513

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: 60.16 mpg (US)
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First off, the mods you mention probably won't improve your fuel economy at all.

As for which engine to get, smaller is generally better.

If you average the "real world" MPG of v6 vs. v8 Chevy pickup owners, I bet you'll find that the average v6 MPG is better than the average v8 MPG: https://www.fueleconomy.gov/mpg/MPG....make=Chevrolet

And before you dismiss "a few MPG" difference as inconsequential, realize that the difference between 16 and 18 mpg* over 20,000 miles a year is 139 gallons. At 3 bucks a pop, that's $417 a year. Every year.

*(I don't know if the numbers will show you actual averages of 16 and 18 mpg - that's just an example based on a quick look at the lists at that link. You can crunch the numbers yourself.)
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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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