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Old 02-04-2010, 04:20 PM   #3 (permalink)
MetroMPG
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,534

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

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

Appliance car Mirage - '14 Mitsubishi Mirage ES (base)
90 day: 57.73 mpg (US)
Thanks: 4,082
Thanked 6,979 Times in 3,614 Posts
Hi Roger -

I'd skip the cold air intake: it's not going to improve mileage. It's more likely to lower it.

You're right to focus on aero mods, since your driving is primarily highway. If you haven't already, check the list of mods: 65+ Vehicle modifications for better fuel economy - EcoModder.com

Also, tuning the nut behind the wheel is a major factor: 100+ Hypermiling / ecodriving tips & tactics for better mpg - EcoModder.com

And instrumentation, like a ScanGauge or MPGuino is highly recommended.

Welcome to the forum!
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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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