There's such a wealth of experienced information here it sometimes gets me overwhelmed, but I feel blessed I was referred to this forum. There is another site that I am on but it's for my 66 C-10, once I got my COE those kind folks sent me to this forum, I'm glad they did;
here's a link to it
https://67-72chevytrucks.com/vboard/index.phpChances are they might send you back here
If I get my Power Steering done before you get yours figured out I'll post the information of what I did,, I can also think that if we dont use PS after a short time we'll have forearms like Popeye, so that might save cost of going to a gym.