B-Body on and A-Body 4 stopping POWER?

[67383FISH]

Hi Everyone,
      Newbie here and  I'm looking to upgrade spindlesand brakes . This is my frirst A body and need to get some stopping power to the front end !! I have a  set of upper A arms 73s from a dart and 70  b-body  disk brake set up i'd like to swap to the cuda and retire the flintstone drum brakes.. \/][ So to get to the question will this work andhas anybody done this , will I need to replace the lower ball joint arm or can I keep the A body lower ball joint arm . I'm hope it's a smooth transfer but have the feeling could be a  Pleazzz Help thank you    awsome site you all have here.Thnx Jim

[Jim_Lusk]

The 70 b-body brakes are still Bendix four piston (I believe) and those are EXPENSIVE to get parts for, plus they are fairly desirable for a correct resto. Your best bet is F/M/J spindles and brakes. Use the 73-76 a-body lower ball joint.