We all know the old adage about tires. Tires the grip to the road like a train on rails wear out faster then a pencil eraser. And unfortunately, tires that last long grip to the road as good as a frog does vertically to glass. What I'm looking for is a tire that will last over 9,000 miles and can still be pushed, and I mean by pushed to almost autocross-type perfomance. What are your recommendations for a Mustang?