That's to bad because they can be a lot of fun. Years ago we had a pretty big go cart track just a mile or so North of here and they had two classes of go carts. It didn't cost much to go run them and you had to go through the lower class and get a permit from them before you could move up to the faster ones. Several of us used to go up there and spend a half day racing. But that is all gone now.
Ron