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Old 09-02-2011, 01:10 PM   #5 (permalink)
Nacademus
Cataphract Ecotec Pilot
 
Join Date: Sep 2011
Location: Cleveland, Ohio
Posts: 7

Betty - '10 Chevrolet HHR LS
90 day: 31.68 mpg (US)
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The DIC in the dash already shows the MPG and AVG MPG.

Here is my HHR cruising on the hwy-it is relatively flat, almost a slight incline actually.



If only I could find a way to hit this MPG more often for greater duration-I know its tough on my daily work route.

I found myself rather descent at dialing in where a vehicle is most efficient.
Here is my Cobalt SS/SC. I got this mileage all the way to Cleveland from my exit on the hwy.



My next mod will be an aluminum flashing under the nose and engine bay to lessen drag and to do the grill damming as you suggested. I will need to experiment to find what shape works best (best mix between temp gains and usability) and is safe for the vehicle.

Maybe I can make some fiberglass air deflectors that shuttle the air down and away from the front tires. All in due time. I picked a REAL brick to do this to. lol
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