I have been running Yukon 5.29s for a little over two years now. No problems at all. I've been DDing mostly, but they've seen some trail use too. I have 7.5" front on stock/open carrier and 8" on a Detroit.
Here are some install pictures. We were able to get a good gear pattern without any fuss.
http://thebandit.xtremefabricator.com/gears/
