I'd need way more information than that to estimate.
Based only on the mileage, it's pretty reasonable and that 4.0 should last another 50,000-100,000 miles no problem if maintained correctly.
[URL="http://www.jeepforum.com/forum/f22/yellowtail-build-1262933/"][COLOR="Yellow"]The Yellowtail Build[/COLOR][/URL]
[QUOTE=Jeremy Clarkson - Top Gear Botswana Special]Why don't all cars have no doors? When I come to power I'm going to make it a rule because this is just better.[/QUOTE]