you desperately need a local enthusiast to assist you before things get way worse than they are. There is at least one club near you:
try
http://www.alamomodela.com/
this is a very active group. go to a meeting, join, introduce yourself, immerse yourself in the hobby and there will be a flood of ppl willing to help, and help you find resources like how to get the upholstery done when it is time. The local clubs are loaded with expertise and passion to help others. This way you can learn the car under guidance as you go. It will be the single most important step you will take