Thread: optimistic about 40mpg
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Old 04-13-2012, 06:59 PM   #3 (permalink)
tru
EcoModding Apprentice
 
Join Date: Aug 2011
Location: FL
Posts: 126

tru - '05 Ford Focus ZX3
90 day: 39.46 mpg (US)

the truck - '02 GMC Sierra Denali
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have you done a grill block and aired up your tires?
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