As I have worked this issue professionlly that resulted in both material and process changes on how we torque lubricated bolts on all Boeing commercial airplanes I thought I will share some of the highlights.

1) All lubricants are not equal. Some will hold a torque and some won't.
2) Some will work itself loose, some won't.
3) Need different torque for different lubricants.

Of course all these only addresses brand new bolts and threads. Now throw in rusty bolts and threads
and now nothing is clear.

I guess the bottom line is keep the bolts and thread clear of rust and dirt, and torque them per spec without lubricant is the best thing to do.

If you decided to clean off the rust and dirt with penetrating oil or lubricants, be sure to remove the residue with a cleaning solvent like MEK or MPK.