Drum brake weights interfering with cragar ss wheels

Fishing68 said
Can someone explain specifically why weights were put on the drums?... I mean I figure it is for balancing but the weight would have to be mounted before the wheels so does that mean the weight is just to balance the brake drum itself

You hit the nail on the head.

What I can't understand is how they can cast a drum and it be so much out of Ballance that it requires 2 - 2" long 3/8" thick weights