Damnit!! i was actaully gunna do them too. Now i knew the slip yoke on my front d-shaft had some play to it, causing the shaft to be a little outta balance so whenever i got to 60mph+ id feel it. above 70-75 was too much. when i was under the jeep yesterday, i noticed that i had a little bit of play at the yoke. jsut pulled the d-shaft now and give it a look. there was a little bit of play side to side and in and out. threw the torque wrench on a found the nut to be a little loose (maybe 150-175#? compared to 210#). that helped a little bit but there is still the slightest bit of play. i went for a ride afterwards without the front d-shatf and OMG what i difference. the jeep is like glass up to 85+. i blame the d-shaft for eating my pinion bearings.
so it looks like ill do new pinion bearings in the front end now.