Decided to race the Xanavi Nismo Z (638pp) vs a load of race cars (702-734pp) around the ring... Did ok in the twisty bits however on the straights they blew past me. All in all great fun! If I didn't have the 3 offs I'd have won it! 
enjoy (sorry about the video quality taken from an Iphone);
enjoy (sorry about the video quality taken from an Iphone);