by The Roadie » Wed Oct 14, 2009 12:08 pm
Are your mounting holes elongated? That would tend to enable movement that could loosen up the nuts. Only increased torque can compensate for bad holes, but too much torque has its own risks. If they're elongated from your previous links getting loose, you might have to drill them out round and sleeve the threaded shaft to stop the movement.
Loctite is also recommended.
And please give us all the details in the first post - I personally didn't remember what end links you're running.