Here is the state law exemption for a safety inspection on cars registered in North Carolina that are at least 35 years old. Safety inspection exemption.
A variety of technical seminars for British Cars can be found at University Motors Ltd.
Tips from University Motors Press on Winterizing your MG, although this can apply to any British car.
The use of asbestos in older cars is a concern for the home mechanic, particularly in brakes and clutches. See this Asbestos article for information on how to protect yourself.