casting rubber tires..
I was woundering if anyone one out there could point me to a web site or give me information on how to cast rubber tires. or cast tires.. And also cast wheels..I make custom sprint cars, and i want to start making some cars from the 70's and i need to make tires and wheels from that time.. i think i have the wheels figured out and the engine and all, but the tires and wheels i haven't figured out the way to do that...HELP