Gosh, I hadn't seen that the OP was gone.
I try to be consice and succinct, with answers.
I get on enough wild tangents with Gary, for ALL the forum!
But, yes in the late '90's Ford moved away from the 5 on 5.5" pattern (and 8 on 6 too)
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.