I replaced the entire A/C on our '86 several years ago,
including building new hoses including connectors,
but, retained flushed/washed the condensers, and the
recently installed (1 year ago )new evaporator.
Quite the task when you look at all the details.
My suggestion would be to remove the hoses,
with the connectors measure/replace.
Or, you can make your own.
https://nostalgicac.com/oil-flush-refrigerant-switches/ac-pressure-switch/binary-switch-w-r-134a-discharge-port-3-16-port.html
^^^^^
I bought the hose length and connectors from
this source.
Great people, more than willing to help.
It was quite the task for an A/C newbie.
It took about two weeks (part time)
But well worth the re-work.
If needed, I have pics of the work I did.
Also, added a Pro-Cooler, but not sure if helped from stock.
On a 95f day, I have consistent 44f at the center duct,
with the temp setting at the mid point and the fan
at the #2 setting, just below max.
NO freeze-up.
pm me as needed,
Best,
Gerry