https://www.web.imperialclub.info/Repair/Lit/Master/
Go to the first "Disk Brake Hydraulics" session. I think its '66.
Then go to the '67 and finally the '70 sessions so you can see the changes.
No BS. Tech right from ma Mopar for her techs.
if you prefer pdf and ypou tube format, go to www.mymopar.com to get the same.
Use the imperial club's page like a table of contents