I did first pass @ 15ft-lbs, then 25 ft-lbs with the psc diff covers with grade 8 bolts. No problems with broken bolts. About 6 months later I retorqued, just to check and they were pretty much all loose. No leaks but every bolt turned before hitting 25 ft-lbs on the torque wrench.

 

Broke one last night that came with my Riddler. I had it set to 30lbs.

 

To save you time, just do first run to 15, second to 25 - done!
http://www.sor7.com/JEEP-Susp.html