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MetroMPG · 11-13-2012, 03:52 PM

I'll be following this project.

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I'd also like to mention my "bad" experience with valve stem extensions for others' interest.

I bought a set of extensions for the Firefly (Metro) when I glued flat plastic over the openings in the OEM wheel covers and needed a longer stem.

A day or 2 later I had four flat (or very low) tires!

When tightened down snugly, apparently the extensions put just enough pressure on the original valves to let a bit of air leak past. Backing the extensions off slightly fixed the problem.

11-13-2012, 03:52 PM	#2 (permalink)
MetroMPG Batman Junior Join Date: Nov 2007 Location: 1000 Islands, Ontario, Canada Posts: 22,515 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: 52.48 mpg (US) Thanks: 4,062 Thanked 6,960 Times in 3,604 Posts	I'll be following this project. --- I'd also like to mention my "bad" experience with valve stem extensions for others' interest. I bought a set of extensions for the Firefly (Metro) when I glued flat plastic over the openings in the OEM wheel covers and needed a longer stem. A day or 2 later I had four flat (or very low) tires! When tightened down snugly, apparently the extensions put just enough pressure on the original valves to let a bit of air leak past. Backing the extensions off slightly fixed the problem. __________________ 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