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Owner: olds455
Century: 2003 Buick Century
Displacement: 3.1 L
Fuel type: gasoline
Transmission: automatic
Curb weight: 3300 lbs
Coefficient of drag: 0.31
Frontal area: 24.5 sq.ft.
Instrumentation: UltraGauge
Description: commute 55 miles each way in about 70 minutes. Open road commute with little traffic. I generally stay at 3 over the limit.
Build Thread:
Current Mods: Smooth transition from front bumper to belly pan with sheet metal. The lower fascia intake taped off all but the center 14" or so. Complete belly pan inside the side pinch welds, to the farthest points out along the front rear suspension I could get without rubbing. There is a gap between the first two sections about 8" behind the radiator for cooling air flow. Re positioned air inlet to stock airbox to pull from next to the radiator. The factory inlet has been closed off. (winter) Summer has the factory intake used and the bypass closed off.

Planned Mods: belly pan? ----done

Now what? Boat tail takes more guts and fab skills than I have at the moment. ROI is a tough sell if it is more than 6 months or so. It will also have to look good enough to not scare my family away.
Official Fuel Economy Ratings
EPA city 18 mpg(US)
EPA highway 26 mpg(US)
EPA combined 21 mpg(US)

Actual Fuel Economy Performance
Lifetime 34.32 mpg(US)
Last 3 tanks 34.66 mpg(US)
90 days 35.41 mpg(US)
View Fuel Log
Last updated: Oct 22, 2013

(Created: 2011-07-07 16:27:36 / Modified: 2013-10-24 09:48:46)


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