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Old 06-16-2017, 01:23 PM   #46 (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)
Thanks: 4,058
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Quote:
Originally Posted by arcosine View Post
Hi,
Lets see, 74 mpg at 50 mph
Not quite what it gets "at 50".

The 74 round trip number includes about 10% sub/urban driving, and my suburban numbers always pull up the average. The car as it is probably averages mid to upper 60's around 50 mph in nice, calm weather.

Quote:
Did you do the rear springs? Is 95 the best year?
All 4 springs. Not sure what year is best, but I'd go for an OBD-II car just for the ease of plugging in MPG gauges.

Quote:
What springs did you use?
I really have no idea! They're aftermarket, they're really old, and they are/used to be yellow, that's all I know. They came on the Swift GT parts car pictured a few posts back.

===

Fumes: good idea. I'm thinking I *will* ABA this at some point. It'll be good to know. I will remove the air dam to do the lowering ABA, because I'd also effectively be changing the air dam height during the test.

But I do plan on putting on a belly pan before doing the ABA. So, probably not until later in the summer. Just before I put the Miata on the road? We'll see.
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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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