My '66 C50 truck (I call him Goliath) was rolling around on four single tires for the longest time. In finally got my new Firestones mounted on the freshly powder coated wheels. I think it looks cool. The tires are 10R22.5 units.

http://www.bangshift.com/blog/Project-Goliath-Update-We-Install-All-Six-of-Our-New-Firestones.html