Thanks guys, it was fun. As far as which car I preferred, that's a hard question. For a faster action type of class (something based on the Econo, FCR, or Pro-Trac), I like the idea of racing the Parma FCR cars. Like Bryan said the price is right, and I think with a little bit of tuning they would work well. The FCR chassis are 4.5" wheelbase cars, and model car bodies can be mounted with clear packing tape. The chassis appear bullet proof!
I really like the Classic vintage car. I would enjoy a vintage type class using lexan bodies. Actually the Classic car can be put into the same category as the Econo, FCR, and Pro-Tracs when it comes to overall speed (depending on motors). I ran my car with the brass pan modification Larry made, and without. The car is faster and better handling with the pan, but it works well without it also (just more challenging). These cars with Jel Claw rear tires are great fun to drive! The issue again with these is parts availability.
That brings us to the EJ's and Carrera cars. The 1/24 Carrera car worked surprisingly well right out of the box! It's slow and slides but it is predictable and a lot of fun! The only modification this car would require is shorter front tires to get the guide flag to sit deeper in the slot. Then there's the EJ's car, which to start with was my favorite. But right out of the box this thing does not handle. On my track the tires did not hook up at all, and when I switched to Jel Claws they hooked up too well, and then the motor overpowered the chassis. I'm going to give this one a little more work (not giving up on it yet).
So at this point here are my favorites (not necessarily the best cars) in order; 1- Classic, 2- Carrera, 3- FCR.
These ratings may change! ------------------Bill