[special-K]

The confusion here comes from where the term 'dually' comes from. Yeah, today it seems everyone is calling and dual rear wheel truck a 'dually'. The whole thing started with GM introducing the new dual rear wheel pickups as 'Big Dooleys', as in the song "hang down your head Tom Dooley"... a folk hero outlaw. Somehow from hear-say and misinformation the term has been bastardized into being 'dually' and meaning any truck with DRW.

Way back before disc brakes were put on the rear of anything but maybe a Porche or Ferrari I would see them under Step Vans with DRW (those aren't 'duallys too are they?). This was in the late '80s-early '90s. I think they were the 5 & 10 bolt pattern, so larger than 14-bolt I believe. What rear came in the '92+ 3500HDs? I think it was that rear, and those have rear disc. Actually, the rear drum brakes off a 14-bolt DRW are awesome brakes...all the brake you could ever need. True, heavy for sure. But they will give all the brake you could ever need and are plentiful/cheap