If I lived close by I would be up for hiking in, wrenching, and driving out, and I am not even a Chevy guy.
Poor van. More like wasting in the mountains. Looks like a dorky movie (even has a guy in a gorilla suit) but it has some cool vehicles in it.
Now:
Then (screen grab form the trailer on YoutUbe):
Looks like it might not have too much rust, and any tree damage could be dealt with. I wonder if the rear sunroof is still intact. The interior is probably toast, though.