Quote:
Originally Posted by MetroMPG
Dichotomous: FYI your car does not have flow separation on the upper roof surface where you have placed the bumps.
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would you like to tell that to the snow and water that dont get air scrubbed off there while they get scrubbed off everywhere else?
though I hear what you are saying, and looking at the pictures and car I have no idea WHY it would do what it does there, but it does. maybe its the moonroof weatherstripping thats just barely above to the surface? it SHOULD stay on, I fully agree with that. but it doesnt seem to by evidence of the nonscrubbed top.
if it is the weatherstripping I think maybe something to break into microturbulance (smaller than the bumps) either rightbefore or after might be better.