K-Frame to subframe bolt torque question?

[idrivemopar]

I'm curious with anyone else that has replaced the k-frame bushings how many times you have had to re-torque the main bolts?

I have done mine 3 times now, after I have taken it for longer drives, and the service manual says 50 foot pounds but wondering if it should be more then that. Is this because the poly bushings are getting more and more compressed as I drive?

Comments or suggestions?

Thanks

 

[bigblock]

I was thinking 150 ft/lbs. I would put aluminum discs there and be done with that.