How Does One Replace the Hood Springs/Hood on '65?

Those rods are basically torsion bars and as such be real careful removing/installing them. They can tear a hand (or feet) up pretty good. I am not familiar with the parts you reference in your last paragraph.

personally, i would swap to gas filled struts (which I did). They eliminate the hood rods and definitely clean up the engibe compartment. I showed the procedure in my resto thread