John,
I'm about to cry to see my old company truck turning into a model.......
You hit the seminal paint scheme.   Awesome.   The blue looks great
Here are some pics for you.
1986 359 extended hood.  with 2.5 million miles.  425c Cat with a 5 x 4 two stick tranny with 3:55.  The truck was just streatched a yr ago in Joplin Mo  to 303 it was a factory 252 
Here is what it looked like when I drove it