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Old 04-04-2013, 12:21 AM   #14 (permalink)
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Join Date: Mar 2013
Location: Atlanta
Posts: 21

Skimoble - '10 Mazda 3 i Sport
90 day: 39.45 mpg (US)
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Originally Posted by Daox View Post
Welcome to the site.

The only other thing I'd highly suggest is a grill block. Use the scangauge to find out just how much you can block off without having any issues.
I took a look at my Mazda 3 Grill. The upper half of the lower grill is already blocked from stock. The two seperate sides next to the lower grill are completely blocked from stock. Their is a very narrow upper grill and an even more narrow portion of the grill under the lower grill that appears to be letting air in. Essentially, from stock it looks like 1/2 the grill area is already blocked.

I do see the two fold benifits from the grill block in that it helps the engine warm up faster and it decreases the Coefficent of Drag. I won't be adding much of a block if I do since a good amount is already blocked.
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