Suburban "Cheyane super"

[Plugger]

Hey all, going to look at this thing soon and need some inspection advice. It's a 73 3/4 ton 4x and looks to be in good shape and original but the lady has no idea about engine trans ect. she said it runs but she only rode in it and it was her late husbands truck and has had little use for about 5 years after his passing, just her daughter would drive it once a week to run errands and stuff.

So where is the rust going to be?

350 and TH350 or???

T case?

Cheyane super mean anything like A/C and nicer trim?

I would rather get an 86-91 but no smog is VERRRRY appealing. Thanks.