http://ramblewriter.com/ This couple from North Carolina inspired me to prep my 1st gen 4runner for a Pan Am adventure. They've been writing a book of their travels, but I'm not sure if it's finished yet.
Correct me if I'm wrong, but I think these blogs are from the couple who started drivetheamericas.com . If so, they've worked hard to present good info for prospective travelers. Check it out...
http://joydrive.ca/ from Calgary to Ushuaia in a '91 VW golf.

Impressive they didn't elbow each other to death...not a ton of room in those.
http://www.thedarienplan.com/ They did the Pan Am in an Ecamper.
http://southboundhound.weebly.com/ Another 1st gen 4runner (sorry, I'm biased!) driven by Jeff Sarmento with his faithful dog Nota. I've exchanged some emails with Jeff and he's been very helpful. He's currently working on a book about traveling with four-legged friends.
http://www.alongdrive.com/ a Canadian couple in an FJC.
http://southboundexplorers.com/ Canadians in a VW van.