[whitedog76]

I personally have never done it. Only good things can come from getting rid of drums.

Here's an article.

http://www.trucktrend.com/how-to/whe...ke-conversion/

Here's a kit that uses drum style E brakes.

http://www.ebay.com/itm/1970-81-Chev...NT~5QT&vxp=mtr

Here's the E-brake/caliper kit.

http://www.littleshopmfg.com/gm-earl...r-disc-brakes/