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Old 11-22-2016, 04:55 PM   #57 (permalink)
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,461

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

MPGiata - '90 Mazda Miata
90 day: 55.97 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: 61.17 mpg (US)
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planned mods

No plans for the winter other than shoehorning it into my shack for storage.

As for next year, I've been thinking a lot about ecomods. Off the top of my head:

1) Obvious repairs / maintenance (replace rad; repair floor; tune-up; oil change; timing belt)

2) Synth fluids in the trans/diff

3) MPGuino

Kill switch

Tires that are on it now (185/60/14) seem to have TERRIBLE rolling resistance. I'm picking up a set of lightly used LRR Dunlop Enasaves (OEM Mirage tire) which are 165/65/14. Should help both with aero and RR.

6) Aero mods:

- passenger mirror delete/inside convex replacement
- air dam/splitter (see post #22!)
- smooth wheel covers
- rear wheel spats / shaped deflectors
- undertray
- rear fender skirts
- rear bumper treatment: lower down, it needs some tapering behind the rear wheels
- investigate any drag-reducing top-down mods (behind-the-seats screen? decklid spoiler?)

Fortunately, with this car's racing history, there's been a lot of aero research done already that will help on the eco side of things.

7) Final drive / rear end swap (wish list)

8) Camshafts swap (need to research more)

9) 50 mpg!

I'm sure I've forgotten some things.I've got all winter to noodle ideas.
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

has launched a forum for the efficient new Mitsubishi Mirage - fuel efficiency info for Geo Metro owners - electric car conversion on a beer budget
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