Quote:
Originally Posted by skyking
My new truck does not have any good lowering options, and it is about as tall a stock truck can get. I will put it back on stock sized tires. Am I looking at the best air dam returns when I can no longer see the differentials and suspension components? One would figure those items are a part of the frontal area.
|
Feysal Ahmed's Masters Thesis reported that a 6" clearance was good.
Drag would increase if it went lower,unless you took it down to 3" clearance,but that would only be for racing applications.
At 3" the airdam would have an 1% drag advantage (1/2% mpg).