Glenn,
I've had lots of luck getting parts through e-bay. Bidding carefully, you can get some rare parts for cheap and lots of original and re-print manuals. I scored a new old stock steering wheel for 150 bucks.<><><>I contacted KC Wood Manufacturing about my '36 hi cab. A full frame would run about $1'200 delivered to Ca.!! You can order individual peices too.
www.chevywood.com 
Sounds like you have cool project
