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Old 04-14-2008, 11:46 AM   #1 (permalink)
EcoModding Lurker
Join Date: Mar 2008
Location: Savannah
Posts: 23

2005 CivicEX - '05 Honda Civic EX
90 day: 37.26 mpg (US)
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Better aero: UGB or LGB?

I thought i read somewhere that a upper grill block was better for aero but I couldn't find it today. I have used both, but w/o a scanguage to test it is though to say. My engine runs at the same temp with either the LGB or UGB. I might leave the top closed and even close off some of the bottom. Thoughts?

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