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NeilBlanchard · 11-28-2012, 11:10 AM

With the oversized stock grill openings, much of the air is allowed to flow out below the lower spoiler under the front bumper. If you block those off, then all the air that comes in through the (reduced) grill opening goes through the radiator.

11-28-2012, 11:10 AM	#14 (permalink)
NeilBlanchard Master EcoModder Join Date: May 2008 Location: Maynard, MA Eaarth Posts: 7,908 Mica Blue - '05 Scion xA RS 2.0 Team Toyota 90 day: 42.48 mpg (US) Forest - '15 Nissan Leaf S Team Nissan 90 day: 156.46 mpg (US) Number 7 - '15 VW e-Golf SEL TEAM VW AUDI Group 90 day: 155.81 mpg (US) Thanks: 3,475 Thanked 2,952 Times in 1,845 Posts	With the oversized stock grill openings, much of the air is allowed to flow out below the lower spoiler under the front bumper. If you block those off, then all the air that comes in through the (reduced) grill opening goes through the radiator. __________________ Sincerely, Neil http://neilblanchard.blogspot.com/