Some 3.8s would burn up and spin bearings, but that was at a younger mileage. The 3.8 was a long lived engine in the minivans (250K of soccer mom use not uncommon). If it's made it to 100K+, it should be good for another 100K
My only concern would be electronics failure. But that's on almost any modern computer rich vehicle ... IE - sentry key, body modules, etc. We lost the SKIM (Sentry Key) at 45K miles in a snow storm. The electronic swaybar disconnects never worked. The throttle body also had problems.
I was looking at some higher mileage JKs, but spending nearly $20K for something with over 100,000 miles ... just doesn't do it for me.
2000 XJ - 3.5'' Lift & Skinny Mudders.
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