Quote:
Originally Posted by RedDevil
Surprising from how high up the smoke trail still goes down under the front bumper...
Would an air dam or duck bill bumper help? Or is the bottom so smooth that is does not matter much?
I was thinking about blocking my upper grill and having a slanted plate over the lower grill so it would take air from below, would that be a good idea?
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You can see from the smoke that once the air makes it past the air dam,that a venturi is forming.If I had a small radius at the lower edge I could get rid of that.There is a complete belly pan under the truck at the time of the wind tunnel testing.
As it sits,the air dam creates 30-pounds of downforce at 135-mph,so there is a little induced drag associated with it.
As to your car,you need to inspect the region behind the grille leading to the radiator.Typically,the lower inlet could be nearest the frontal stagnation point,but maybe not.