I have noticed that aerodynamics plays it part at highway speeds. Lift off the throttle at 100 km/h in my EF XR6 and it takes forever to loose some speed.
Do the same in my XB GT and it slows down a lot quicker.
so while improved aerodynamics helps late model cars in acceleration, fuel economy and wind noise, there is a (small) down side to it.
As an interesting thought to this, my EF XR6 and XB GT have very similar sized rotors, but the XB has vented rear disks standard, something that is a $6,000-00 option on a new GT. Just food for thought.
P.S. Thanks for the brush up on the Physics lesson AP.....
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