Frank -
Quote:
Originally Posted by Frank Lee
Say you do twice as good- .012. Still peanuts.
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That's the same as wheel covers :
However, the gain for a wheel cover is predictable because the solution is the same for all cars.
The gain for VGs, however, is indeterminate because you don't really know *where* to put them, unless you are willing to pay for wind-tunnel te$ting and/or commit to a fanta$tic CFD analy$i$.
CarloSW2