I installed a12HT in my 78’ 45 LWB. My build thread covers it extensively. I am happy to share anything I remember (I did this awhile ago). The swap is worth the effort.
Welcome to the forum mate! FJ60 power steering updates are common on 40 series. You should do a lot of research and planning. It’s not a difficult upgrade but it can easily be in a manner that will be difficult to live with long term.
Be sure to visit the 45 Clubhouse in this forum. And as...