Over 200,000 members from all over the world. Nothing newer than 1964 allowed....
BTW, I got my license in 1963. I'm well aware of the 60's car culture, it was a lot like today. A new stereo, some nice wheels and tires, maybe a lift kit for a truck or a lowering kit for a sedan, LED lights.
I learned to drive in a 55 Plymouth Wagon. First car I had though was a 65 Fairlane.