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Old 01-02-2011, 08:42 PM   #13 (permalink)
t vago
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Originally Posted by Frank Lee View Post
I suspect they did not get high for aero; they are high because of the ginormous wheel/tire packages driving the entire chassis up. The cabs are higher too.
It's possible for that reason, too. Certainly, larger tire/wheel packages do not help with aerodynamics. I suspect, too, that these new trucks also have lousy undercarriage visibility that contributes to a higher than necessary C(d).

However, the new truck profiles appear to fit more neatly into that teardrop stencil as a result of their higher bed heights. While the cabs themselves are higher, the truck fronts also look like the trucks gorged out on sheet metal and plastic over a holiday season.
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