Thanks for all of the comments guys!!!
I got some decals from modeltruckin.com that worked very nicely, and added a few others as well. Started on the chassis. I'm using the 352 frame with air ride. The twist is that the rear axle is going to be a tag. It's not perfect, but here is what I have so far:
IMG_2345 by Brian Smith, on Flickr
IMG_2346 by Brian Smith, on Flickr