40 years ago i needed a manifold repaired and an old welder said he could fix it, when i returned to pick it up it was brazed and i felt disapointed to say the least. my dad always said brazing is just an expensive solder job, well that manifold lasted as long as the car and i drove it for years. it had an ear broke off that held the exhaust pipe on and after the fix i tightened probably tighter than i should have and it held up fine.