A904 front pump install problems 63 Dart GT

The planetaries have tabbed washers. They dont fit any old way. They are keyed to fit one way only. They only sit flat when correctly indexed. Its possible to put them together wrong, and everything goes along just fine, until the pump goes in. If you find that they are correctly indexed, then put it together with empty clutch drums. I know you dont want to hear that. But it will prove one thing for sure.