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MetroMPG · 06-08-2008, 06:19 PM

88CRX, I did an A-B comparison with a full undertray on my car and measured a 2.2% increase in MPG @ 90 km/h (55 mph).

The comparison won't directly apply to your case, since the CRX has a much lower ride height for one thing. But I bet it's in the ball park.

06-08-2008, 06:19 PM	#21 (permalink)
MetroMPG Batman Junior 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	88CRX, I did an A-B comparison with a full undertray on my car and measured a 2.2% increase in MPG @ 90 km/h (55 mph). The comparison won't directly apply to your case, since the CRX has a much lower ride height for one thing. But I bet it's in the ball park. __________________ 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