This is a Post by The Chief @ Conrod.
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Well the goss from the test is in and the boys are closer than ever.Whilst the results are pretty good as far as car to car are concerned whilst the loud pedal is depressed it all goes a brown colour once they are in angle gear. One with alledgedly around 20kg more down force on the coast down run.
With no one able to convince them to give the undertray a trim it seems that more testing will be required.By the time this was discovered the heavy hitters had departed and so no decsion was reached.Looks like a bit of independent testing will have to be carried out by the manufacturers to get either less on the one with more or more on the the one with less.