Ive always wanted to throw 4 donughts on and hit an autox course. It woudnt be fast, but it would be furious! sorry for the bad pun, just couldnt help my self. -sean the only 2 > problems i can see is that the top speed of the "donuts" in our cars is like > 50 mph or somthing like that, and the car might be wobbly and hard to control > with them on.