Originally Posted by YUM360
Yes think it the transfer box, but then there is nothing you can do about that is there

New chain or a good condition used one will take loads of power, they do not snap, but will stretch with old age/years of abuse and slip (making a banging sound when you acceratate)..............so not a part you have to worry about usually.
Would deffo get the front diff plated Dave......we know those those diff cases crack, and even Ford sold the plates to rally teams as a 909 part