Curious that a "professionally built" engine would not have been cleaned and painted.
That word is often loosely translated, LOL! Right up front, you need to define your terms, I've found.
And that steering wheel is horrific. The truck is a running truck, and is, I think, a far better jumping off point than the stuff some of our Rustbelt FTE Bretheren spend a decade or so trying to resurrect.
It is about 2 hours from me, and if anyone is very serious, I could be persuaded to have a look after an initial contact is made.