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MetroMPG · 06-09-2009, 10:49 PM

The source wonderboy linked to shows the auto tranny's final drive is a 3.61

The 5 speed from the 1.3 has a 3.523

So there's a small gain to be had there, IF the cogs are swappable between the auto/manual.

You could also go with taller tires (what are you wearing now)?

06-09-2009, 10:49 PM	#7 (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	The source wonderboy linked to shows the auto tranny's final drive is a 3.61 The 5 speed from the 1.3 has a 3.523 So there's a small gain to be had there, IF the cogs are swappable between the auto/manual. You could also go with taller tires (what are you wearing now)? __________________ 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