J-B weld is some good stuff but not for a brake line. That line probably is rusted all the way along that run. The only Quick fix is replacement. Your FLAPS ought to carry them in various lengths. Piggyback one in until you can get around to replacing them all.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.