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I have looked at the vortex generators, questionable, what's the HHO road so I can avoid it?
I agree with Frank in that a little bump on the roof won't do much on it's own, but as mentioned by Skyking if it allows for a shorter sharper boattail design, then it may well be worth a look at.
While on the subject, looking at the sides, the wheel guards come out quite a bit from the body, especially at the sills, where the sidesteps (running boards are), so I was thinking of a rubber skirt that hung off the doors, with the bottom just below the sidesteps. That would give a straight line from the front to the rear wheel arches, but if I cover the rear wheel arch it will need to stick out about 2", would it be better just to curve out the rear wheel arch cover on its own, mainly in the middle or run the line all the way from the front wheel arch?
So I suppose the question is better to have 2 curved obstructions (wheel arches) or have them connected in length, so it is just one long obstruction?
I would assume straight lines or reducing curves would be better than multiple bumps.
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