Thanks Bob, I just noticed something looking at one of my pics.
http://www.pnw4runners.com/fj/tires/2.jpg
That thread pattern on the sidewall is not a zigzaggy design like my eyes first though.
Looking at it just now, it is a DC, short for Dick Cepek
I am going to have to Google and see if I can find out any info on these tires.