How are brake drums made ?

jazak5 said
how about the buick aluminum/cast iron hybrid of the 60"s ? worked very well just to costly to produce.

Are you talking about the, was it 215 V8 engine ? If that is what you think about, the Rover in England bought it, and changed it into casting only the aluminum part, and then machined the cylinders, and pressed in the liners.

Bill