why buy one when you can build one. i think it was car and driver or autoweek that had a bunch of these that people have built. there are websites that are devoted to this.
The super 7 was around forever. The CSR is relatively new. The regular Super 7 was a 147hp Zetec Ford engine. This one has a 2.3 Cosworth and some chassis modifications.
I’ve been in one of these recently, and I must say it was prob. the most fun car I’ve ever been in. Nothing like being that low, with no doors, windows, or really ANYTHING, other than being a pure race car allowed on the streets.