Here are my times.
Tuned - 1'37.737
Stock - 1'51.314
I can easily get the stock car's time down as that was only after 5 laps and im giving it a rest for now.
You can see the times here;
http://eu.gran-turismo.com/au/academy/2010/ranking/?board=1&area=73
Under Australia and the PSN ID: Oni_chan