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Old 12-28-2014, 01:22 AM   #2 (permalink)
ksa8907
Master EcoModder
 
Join Date: May 2012
Location: Tampa, FL
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Volt, gas only - '12 Chevrolet Volt Premium
90 day: 38.02 mpg (US)

Volt, electric only - '12 Chevrolet Volt Premium
90 day: 132.26 mpg (US)

Yukon Denali Hybrid - '12 GMC Yukon Denali Hybrid
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Oh lord. Considering the application.... id say you may see 1-2 mpg, 2 being the most. In all honesty, you really need to do some reading at Barry's Tire Tech

Set the tires at 40 lbs and see how it does, the proof is in the mpg gain.
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