I don't know about the spindle swap, but you may be able to use the front axle of a 1-ton of that era, 8 bolt, and there are disk conversions available for the 1-ton 8 lug.


1947.2 Chevy Panel Truck 1-ton
In Project Journals
In the DITY Gallery
1955.2 Chevy Suburban
1955.2 Chevy 6700 Bus/RV