66 Dodge Dart upgrade Dual conversion help!

Heres what I did on mine and its served me very well. 74 charger manual brake dual pot master, works with the factory pushrod as well, no need for the adjustable unit. 87 plymouth gran fury proportioning valve, and matched brakes from that same car. I did all brand new lines because mine were crusty. 10" disc in the front and 11" drums in the rear.