[Alan Roehrich]

Jeff explained it perfectly. The cars are available and affordable. The combinations are sorted out. You can go buy anything you want or need, for a reasonable price, without even having to search for it. They look good, they hold their value well. There's a wide variety of combinations to fit dozens of classes and budgets. You can run anything from a 230/140 6 cylinder PowerGlide to a 427/430 4 speed in a 69 Camaro.

It's pretty much evolution. The most effective, efficient, available, affordable, adaptable, and successful cars are going to be the most popular.

The first generation Camaro literally has an entire industry built around it, you can literally go buy the parts to build a brand new car, all you need is the front subframe, and any 1st generation F-body subframe, or even one from a 68-74 X-body, will work. For the small block and the big block, you can buy anything you need to build the engine, most of it brand new.