From Octane Magazine...
The world's greatest racing car
It's your vote

We've teamed up with seven of the greatest drivers of all time to come up with a list of the greatest racing cars of all time. Now it's your turn to choose the best of the best.
The finalists are...
Maserati 250F
Unto Union Type C
Lotus 49
Porsche 917
AC Cobra
Mercedes Benz W196
Toyota TS010 Group C

Cast your vote on Octane's website http://www.classicandperformancecar....acing_car.html