I would advise going ahead and buying new latches and striker plates. When I bought my truck, it had the spring clips, but the doors still rattled! Have you checked to see if you have excess play in your door hinges. To check, open your door about 2 ft. and lift the end of the door up and down. If there is play, you will also need to rebuild the door hinges. Restoring the doors is expensive and time consuming, but once it is done, you don't have to worry about them for another 50 + years!
Good luck
Denny
