Re: User Error
Not lug nuts. Wheel bearing nuts. On a Dana 60, the retaining nut for the wheel bearings is a large (1.25") nut that, following the proper procedure, is ultimately tightened to just barely finger-tight, basically setting the bearing pre-load. A Stillson is massive over-kill for such a delicate operation, and has lead to many early wheel bearing failures. So why do people use the pipe-wrench? Because most shade-tree mechanics don't have the proper socket/spanner in that size ... and/or can't be arsed to read and follow the simple proper procedure.
Sound familiar, in the context of this series of comments?
 Finger tight for me, your mileage may vary. Consult your manual.