The guy I know who owns a gas station admits that he's an idiot. In a misguided attempt to represent what he sells, he put a set of gas station tires on his 1997 Jaguar XK8 convertible. They wear like iron (apparently no one who buys gas station tires ever thinks about braking distances or wet weather traction), but they're so noisy that he can't stand to drive the car for more than 45 minutes. He feels like a fool for cheaping out and saving a few dollars. The Nissan 370Z gives me the same feeling. Every time the tire roar gets so overwhelming that the radio volume needs to go up to maximum, I think about the Nissan engineers cheaping out on the acoustic insulation for the