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MetroMPG · 11-20-2010, 10:00 AM

Yet in this particular thread (Peakster's A-B comparison with donuts vs. regular tires on the rear), he found a fairly large efficiency improvement.

Though not knowing the RR characteristics of the regular tires, it's obviously not something one could extrapolate to every vehicle. And methodology is debatable as always.

11-20-2010, 10:00 AM	#56 (permalink)
MetroMPG Batman Junior Join Date: Nov 2007 Location: 1000 Islands, Ontario, Canada Posts: 22,541 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: 51.82 mpg (US) Thanks: 4,085 Thanked 6,989 Times in 3,619 Posts	Yet in this particular thread (Peakster's A-B comparison with donuts vs. regular tires on the rear), he found a fairly large efficiency improvement. Though not knowing the RR characteristics of the regular tires, it's obviously not something one could extrapolate to every vehicle. And methodology is debatable as always. __________________ 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