Bean-Tower,
Check out Cobra Country. Check out the following link. Do you own this book. If you don't you haven't been looking hard enough. Have you talked to anybody at Factory Five, Lone Star, Superoformance, Dynamic MotorSports, Top of the hill, House of Cobras, ERA, Shell Valley etc. etc. etc. If you haven't talked to these people you are just begining. Don't spend a whole bunch of time worrying about scof. Move on with your dream.
I can tell you , you will have some difficulties. You might have a problem with anyone of the vendors mentioned above. I've had problems with the best ones mentioned on this list. That's life, that's business. Move on don't get stuck in the problem. There are enough resources out there that will help you make an accurate decission based on your dream.
http://www.cobracountry.com/cobrabk.html