69 Charger Chassis?

I'm nearly finished restoring a 66 Charger with a 383 four barrel, it's a fastback, and the engine runs good. Just got a few things left to do with it, but I've decided that I want to build a 69 next, and start with just a body, and a frame, and get the engine, drive train I want and build it all from the floor up. Does anyone know where I can look to find a nice rolling chassis for a 1969 Dodge Charger R/T? I'd appreciate it