Aussie-67 here

As an intro I am 67 (old) I have a 1967 Signet 4 door post with a /6 triple SU's with 125 shot of nos via a fogger 2, headers, port work, 8 3/4 w 3.55 suregrip and 904. I am curious as to what it would take to go to power steering. I'm tired of wrestling with it when parked etc.