Update. Well had a ~6hr road trip on Sunday to drop a tractor off, still have the vibration. Not as bad, or as constant, but definitely still there. Not sure where to go next, I know the clutch could be re-shimed. That's kinda where I'm at now, thinking something in clutch/transmission/transfer case. Worst part of that is taking this giant 6spd out! I'll probably just live with it for a while now, don't really have it in the budget right now.
Aside from the intermittent vibration, and the deleted a/c, the trip sunday was otherwise uneventful, pretty smooth, a welcome day really!
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