it is usually a happy environment.What will be different about this show is the convergence of vintage cars with souped-up newer cars.For antique car enthusiasts, Hines said, it is all about how many original parts the car has.They bring Chryslers, Fords, Mustangs, and other American cars from the 1950s, '60s and '70s.In contrast, younger car buffs bring tricked-out newer cars, with big exhausts,