Don't know about the fitment of 60's vs 62, but...
If you have all the old brake lines to use as templates, bending and flaring new lines is fairly easy. I did an entire BMW 2002 myslef and had never done any before. Not stainless however, just...
Does it die for the first second when you press down on the accelerator and then catch?
I've had that symptom before. I have to look through my threads to see if I can locate the solution.
Here's my old thread: Summary? OEM Coil, Plugs, Wires...
Love this and the fact that you're keeping it bone stock. I'm the OO of mine and it has about the same mileage. I also did a major service on mine myself years ago, including some of the things you have already down. Nothing more satisfying...