Why Tilke ?

Sir Jackie has just come out with a statement about how it's not necessarily the cars that are the direct cause of the lack of overtaking .
And ,...

Source: http://www.motorsportforums.com/forums/showthread.php?141442-Why-Tilke&goto=newpost

Dennis Boulom Christian Bourgeois Philippe Bouzanne Ellis Boyce Helmut Bradl Stefan Bradl Umberto Braga