Not immediately related to this question, but here's my two cents. Factory drums systems are generally lighter then factory disc brake systems along with free wheeling and especially while using non cooling fin drums that are smooth round face compared to finned drums assemblies. Now when replacing factory drums either smooth round or finned drums with after market disc systems, there is a good amount of weight lost. Strange and Aero systems are the most used. There are a few good options.
I still like the GM aluminum drum trick that I thought of by using a GM axle with GM flange bolt pattern and backing plates for usage of a GM brake system from the late 70's early 80's.
