Quote:
Originally Posted by Tygen1
Sorry, I'm not buying it. I have a slow car, and just a little wheel spin can be a .2 difference. You just can't use a dragstrip to measure aero changes. I could probably list about one hundred things that could happen between two back to back runs that could alter the ET. Have this dude tape up them holes then do some coast down testing, A-B-A, then you can make a believer out of me.
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the theory is sound.
if the bumper is filling with air then holes will allow the air to escape.
the better idea is to not let the air get there to start with.
and then there is the few who like it cause it looks cool.