Same procedure as for smaller ones.
In firearms chambered for them.
Think of Betty White.
You will have to buy all the loads available and shoot them to find out. All weapons have a preference for certain loads. The only way to know is to shoot what is out there.
Not recommended.
It is a collectable gun. Stay with factory normal pressure loads.
Have it checked by a gunsmith before you shoot it. If it checks out OK, then yes.
yes.
Not recommended.
eating loads of fat.
You will have to buy all the loads available and shoot them at 500 yards to find out. All weapons have a preference for certain loads. The only way to know is to shoot what is out there.
get bigger muscles
10,000 full loads or so.