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Old 01-08-2008, 01:24 PM   #1 (permalink)
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
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Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 54.01 mpg (US)

Winter beater Metro - '00 Chevrolet Metro
90 day: 73.57 mpg (US)
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New: Ford mods their Super Duty pickups ... chin spoiler + final drive changes

Via ABG &

"Ford is replacing standard 3.73 ratio rear axles on certain F-250 and F-350 Super Dutys with 3.55 running gear and has lengthened the underbody chin spoiler by 100-mm (3.93-in)."

Ford trucks spokesperson Wes Sherwood says, "We are making the 3.55 standard and when that's combined with new front-end aerodynamic improvements, there will be about a 1.5 miles-per-gallon improvement."

It's difficult to quantify the fuel economy improvement in percentage terms because three-quarter and one-ton heavy duty pickups aren't required to carry EPA mileage ratings. But this could mean as much as a 10 to 15-percent improvement for some drivers, depending on how they use their truck.


"Fuel economy is on people's minds right now and we're not going to wait until the next model year to make a change. We're going to implement changes like this as soon as we can."

Latest mods test: 15 mods = 15% MPG improvement: A-B test, 2007 Honda Civic 1.8L, 5-speed
Ecodriving test:
Manual vs. automatic transmission MPG showdown: Nissan Micra 1.6L

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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