Rear Brake Dilemma

This is a touch off topic, but here is the solution I used for 11" drums that bound up when torqued. The Chinese measure in metric, and we use inches. I fear they round off the conversions and then nothing works. This is the thread in B-bodies only.

http://www.forbbodiesonly.com/moparforum/showthread.php?75332-11-3-drums

The finished surface width represents the friction surface not the ID of the drum.