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Old 06-18-2011, 10:50 PM   #20 (permalink)
joggerfogger
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Join Date: Jun 2011
Location: Portland, OR
Posts: 34

Jogger Fogger - '07 GMC Sierra SLT
90 day: 13.62 mpg (US)
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Started to do some front end mods with stuff I found in the garage.
some old Lexan 12x12 sheets that were destined for the garbage made my materials.
Completely blocking the upper grill has only positive effects so far. warms up quicker, and operates at 185-190F more consistently.
I doubt I'll be able to measure any appreciable FE gains just with grill and fog lights.
-Kevin

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