On the 57 GMC 370 LCF. Just rebuilt everything on the brakes. I had a nice tubing bender, so I bought brake lines in the closest lengths possible, already made up. I started buying the steel ones from a local parts store. They were just galvanized looking steel lines. As I progressed on, I needed some more lengths. It was more convienent this time to go to NAPA. The ones they gave me were coated with some kind of paint.
Now I have great brakes but I have leaks at most of the steel color ones. The fitting does not want to spin on the line to tighten up. The whole line wants to turn. The colored lines from NAPA have no leaks at all.
Sure do hate to have to replace all those other lines again. (sigh)
