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Old 05-15-2012, 02:54 AM   #35 (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
90 day: 21.48 mpg (US)
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Stock wheels you say? Are those chrome or aluminum? Some forged aluminum wheels would save you weight and more importantly rotating mass.

The car looks pretty aero, what about exhaust placement to reduce the low pressure zone at the rear? Notice that so many new cars have a slightly "upswept" exhaust?
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