I'm not exactly sure how many but when Ollies did my case, the also put case savers on the large studs along the web. I think there were two? Bruce could probably explain more/better.
They also added additional welding on the back side of the #3 inserts:
Depending on how much they have to take off the case, the chain boxes may need shaving. And, what about the cam towers? Would the cam towers need to be trued?