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All great advice above!
What of carefully cutting the armor wire a coil or two above fitting so line wrench fits through?
Cutting both sides would allow easier removal of pieces also final cut as far back as possible would hide end then shot of black when done if leaving other areas untouched?
You may want to V-Grip the Flex side fitting for solid pushing against line wrench also even though you're not heating Flex side, with tools in place ready, a shot of Spray-Freeze carefully on Line fitting instantly before cracking may allow a slight temp difference between threaded pieces so line side shrinks slightly smaller and lets go first try?
If not, it's always worth trying to tighten so any movement can get it working back/forth.
Best of luck w/ everything also YES to the more pictures thing too!
:beers:
~ Pete

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Thanks for these great suggestions Pete. I did use the freeze technique and it freed up the brake line from one of the wheel cylinders !

So much easier to learn from the experience of others. Then I don't swear (quite as much) :)

Thanks to member BJCHEV396 for passing on his NOVA L78 license plates to me.

Don can you explain the freeze technique

Looks like a very nice original Nova. You can also try a little heat from a torch to break those lines, but not too hot.

I can't explain the chemistry of it, but here's how it works. You go to Staples or some other place that sells a aerosol spray air duster. It's really meant to blow dust and small particles out of computer components.

Shake it, turn it upside down (yes, upside down, not a mistake) direct the spray. It comes out very very cold and "boiling". Wear protective gloves of course.

Rear Brake Hose Removal - Advice appreciated
 

Snap-On fuel line wrenches win hands down compared to Craftsman, they grip on all six points of line nut vs. 5 points on Craftsman. How do I know? I've rounded off line nuts with Craftsman and never with Snap-on.

This^^^^^^^^

Agree 100%, learned this from my days wrenching for the magazines. I still have that set of Snap-on line wrenches, and I bought them used in 2002, and they still work great.

Snap On line wrenches are absolutely the best, I have a set from the late 80,s/early 90,s and they still work excellent today. Plus they are not clunky like other brands.

There is a line up and test of every imaginable flare wrench on youtube... the snap on wrenches have the least amount of slack and if not mistaken won in every category except one, in which it placed second.