x3 Ford GT40 Mk1 in action
I have filmed these Ford GT40s sounding loud on the circuit.
GT40 targa - GT40 Scuderia Filipinetti and another from FIA Historic masters

[ame="http://www.youtube.com/watch?v=BLcxZ0Sp8sE"]Ford GT40 Full Speed - Legendary car awesome sound - YouTube[/ame]