Quote:
Originally Posted by Vekke
Covers dont seem to work on the id3 oem alu wheels. I have tested now them 2 times and they were worse on each test. Taping with that big sheet takes only 15 minutes for 18" wheel. For 17" or smaller that would be even faster as it covers then whole rim in one shot. Its also faster to take out and at least in short test it does not leave any glue or pieces of tape to wheels. Just remember to clean the wheel before install properly otherwise they wont hold in place. That cleanup takes 30% of install time
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I honestly can't see how you'd possibly know if they are better or worse after such a short test!
I've certainly never seen any technical reference that would support testing of the sort you are doing to find tiny changes in aero drag.