I've made a little progress on this one:
Here you can see the AMT bed side compared to the lengthened one:
IMG_9268 by Brian Smith, on Flickr
The back of the cab wasn't made correctly. Here's a picture of the real thing:
Here's a picture of the resin cab:
IMG_9316 by Brian Smith, on Flickr
Here's the modified resin cab:
IMG_9348 by Brian Smith, on Flickr
The floor pan had to be modified to match:
IMG_9337 by Brian Smith, on Flickr
IMG_9344 by Brian Smith, on Flickr
I cut the dog house out for the shifter, I scratch built a glove box for the dog house, I also added to the dash as the kit one wasn't correct:
IMG_9343 by Brian Smith, on Flickr
I also added wiper motor covers, opened up the grill, and the center post for the windshield:
IMG_9349 by Brian Smith, on Flickr
I even got some paint on the cab:
IMG_9565 by Brian Smith, on Flickr
IMG_9563 by Brian Smith, on Flickr