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penalty
I'm guessing that the Fusion is FWD? The Camaro is RWD,yes? Since these are both Bonneville cars and they're running parachutes,then they're both looking at at least 175-mph.Some Bonneville cars have enough horsepower to spin their tires when they hit an "aerodynamic wall" ( the car has more power but cannot attain higher speed due to air drag) and can drift into a most dangerous spin.--------- I think these spoilers are a compromise between drag reduction and downforce and not necessarily the best designs for "street" cars.------------------ Any design which has an exit tip which falls along Kamm's roofline profile,whether an up-kick or straight back,will both do the job.------------- All spoiler setups pay a mpg price due to the attached vortex directly above them since the air is making more than one "pass" over the body.And you have to pay for this circulation.-------------- If you do the straight back shelf be mindful of unsuspecting pedestrians walking up from behind.Maybe cushion the trailing edge as Porsche did with the Carrera Whale-tail.------------- I'm partial to Ford's bi-wing spoiler which appeared on the Sierra concept car and Merkur XR4Ti.It gets the job done and with less drag.
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