This may save allot of time or aggravation: I have a 1/2 ton, so I don't need this, but I'm aware many with 3/4 ton would like discs.
1947 - 59 3/4 & One Ton Chevy GMC Truck Disc Brake Conversion
Front Disc Brake Caliper Bracket Kit
http://www.thehollisterroadcompany.c...converion.html