Oil Cooler Job Questions

[nistah]

Hello everyone,

I am told my beast needs an oil cooler job which consists of the following options:

A) Band aid:
- Oil Filter
- Redo threads

B) Proper Fix:
-Oil Filter Housing
-Oil Cooler
-Oil Sleeve
- Set of O rings for cooler
- Set of O rings for sleeve

Was informed that parts are not the issue with respect to cost; however this service requires the dreaded engine out service position that takes about 24 labor hours for which I am told cost is about $3500.

Trying to decide if I am going to move forward with the repairs, sell car whole or break her down & if yes to first option (repair & enjoy) will need to source parts described in section B above & need suggestions on best places to look &
also curious if anyone has been able to accomplish this fix without doing full engine out.

Either way if I do fix I am sure there are other things that need addressed such as metal Bufkin Pipe, Valve cover gaskets etc. please make suggestions any input appreciated