One email and a program tinkering later...
Still playing with ideas. Although frankly, Right now I can't make any solid ideas because of a very short lack of a budget. It's a tie between getting a few gallons of gas, or seeing how much further I can get into reserve for milk and pasta shells.
Those little racers look just about exactly what I'd love to build. But would a body that covered the wheels be better or having them exposed like they are?