Here are 275/60 15s(Mickey Thompson ET Street drag radials) on a Superformance. They stick and don't throw stones when cruising. They handle much, much better than the BFG radial TAs which came on the car, but won't last as long.
In the next link below are 325/50 15s. They look a bit big to me.
325/50 15s
The 275/60 15s are in the video link below