Welcome Hans! Glad you've joined.
Quite the diesel collection you've got going there.
You've got a few 7.3's so the 6.9 shouldn't be much headache to work on.
The 250 looks like a solid survivor!
Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.