FIRESTARTER: "Each car has a 'catch item,' " muses '51 Mercury owner Brian Winters, of Salem. "Some are ultra-clean and detailed, some have big engines, some are completely customized. For my car, it's the flames." He pauses. "The car, less the flames, is nothing." His car already has more than 100 modifications. When will it be finished? "It'll never be done," he says contentedly.