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Old 10-07-2011, 12:03 PM   #6 (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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im gonna go look on a focus forum to see what others have done or found. do you think that it would be worth the mod in terms of savings? how would one try to estimate the savings by just an RPM change?
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