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Old 10-04-2012, 07:26 PM   #31 (permalink)
LocoJason
HocusPocusSlocusGocus
 
Join Date: Jul 2012
Location: Detroit, MI, United States
Posts: 27

Slocus - '00 Ford Focus ZX3
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I don't see anyone having asked about the offset of the wheels as well. If they were a wider wheel you obviously have a larger frontal area, but if the offset of the wheel is lower (as aftermarket wheels tend to be) the wheel will sit further out... it will alter the wake and cause a large disturbance in the airflow along the sides of the car.

I would almost be willing to ask a Prius owner to throw on some 1.5" wheel adapters with even the stock wheels and tires. I have no doubt this subtle difference would have a much more drastic effect on a vehicle like the Prius, which is highly optimized for aerodynamics (among other things).

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