No I didn’t find any information or best method to remove trim not to damage it. Also did not find the mounting plastic parts.
I believe you will have to remove the head liner to remove some screws I think?
On the Thermo-Tex heat barrier I think I would go up one size to 2” the link is for 1 ½.
Thermo-Tec 14035 Thermo-Tec Express Sleeves | Summit Racing
For the power steering hose it looked like this. I would order two from your local automotive parts store if possible?
I ordered a 1967 barracuda...