Quote:
Originally Posted by hypermiler01
The effect would be not even remotely close to the benefits of adding a Kamm back or boat tail.
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That's my opinion as well, but by golly the dimples on the roof may well be simulating a crude Kammback. it looks to me like the rear window area is about the worst angle it could be for drag (if I remember my Hucho, 30 degrees is worst, 15 best...YMMV) and the dimples near the back of the roof are probably detaching airflow over the rear window. A little spoiler up there would do it better I'd think, but anything would help.