Hey there, well to begin with I’m trying to finish up converting the master cylinder and brake booster from a WJ due to the Bendix 9 ABS problems. At first the divided rear brake line that connects up onto prop valve started leaking due to it’s age and a bad flaring I did. It was leaking from the pipe line and not anywhere else.

So about half a can of PB Blast and two vice grips later I got the old line out and replaced it with a newer line and did a better double flair, but it’s still leaking from the same area. The line screw isn’t cross threaded so I’m stumped on what the problem is now. Any help would be great, thanks.