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Old 04-25-2009, 02:50 AM   #3 (permalink)
Bicycle Bob
EcoModding Apprentice
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Join Date: May 2008
Location: N. Saskatchewan, CA
Posts: 1,541

Appliance White - '93 Geo Metro 4-Dr. Auto
Last 3: 42.35 mpg (US)

Stealth RV - '91 Chevy Sprint Base
Thanks: 72
Thanked 305 Times in 215 Posts
Gap-filling tape, and other detailing, especially smoothing front and underside, and fairing around wheels.
Remove soundproofing and stereo; use noise-canceling headphones with MP3 players.
Proper ducting to the rad, with a variable opening to take advantage of cold days or fast speeds.
Use exhaust heat for absorbtion AC, if needed, or to replace generator.
Lightweight battery.
A tail extension or complete aero-trailer.
New, smaller engine from FIAT with variable valve timing.
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