BBP conversion

Find big ball joint upper control arms from a 73-76 A body and put new ball joints and bushings that match THOSE year control arms, not your car year model. Then find spindles with drum brakes from a 70-71 B or E body and rebuild them with new brake stuff and new lower ball joints that would go on whatever car the spindles came from. Bolt all that mess into your 63 Dart, bleed and adjust the brakes and go down the road! You will need a brake distribution block from whatever car the front brake setup comes from too.