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Old 07-31-2008, 11:15 PM   #1 (permalink)
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Join Date: Jul 2008
Location: iowa
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blue beast - '01 chevy tahoe LS 4wd
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tahoe last gen bought scanner

bought scanner, dialing in the gas consumption.

4wd 5.3L 15.3 to 15.9 mpg mixed driving, from manual fill up calculation. about 56% hwy miles.

Removed roof rack xmember- last owner did this and it was a rental company, maybe someone took it.

removed 3rd row seats.

general usage is to and from work, hauls many weekend home improvement materials, and hauling a small 3000 pound camper.

I'm 6'6" so this truck has been a good fit and saves my back every time I put the baby in the car seat. Getting the extra mpgs is now a game and maybe sheds some guilt. It hauled us thru many deep snow drifts and nearly closed hwys last Christmas day to visit both grandmas, probably not going to remove the 4wd. It will be fun to see how close I can get the new hybrid tahoe mpgs on the hwy.

possible future mods

reduced rolling resistance tires
final drive change, need to research that one.

wasn't some Silverado's a few years ago built as a mild "hybrid", (engine off at stops and assisted electric motor- maybe there is something to swap with the tahoe.

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Old 08-01-2008, 11:39 AM   #2 (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: 55.97 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: 61.17 mpg (US)
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Originally Posted by tahoescanner View Post
wasn't some Silverado's a few years ago built as a mild "hybrid", (engine off at stops and assisted electric motor- maybe there is something to swap with the tahoe.
Ignition key does much the same thing. Much easier to implement! Most companies claim 5-8% improvement in fuel economy in urban driving just with automatic engine stop/start.

Welcome to the forum.
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

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
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Old 08-03-2008, 11:22 AM   #3 (permalink)
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Welcome to ecomodder! Hope to see some mileage increased on that beast.


GeoMetroforum.com - got mpg?
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silverado, tahoe, yukon

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