Even with dirt protectors, life expectancy vs. a tie rod end will be much shorter. If you do run them, make sure you have an oversize washer to capture the parts and prevent complete seperation in the event of a failure.
x2 I've driven a OT foxbody mustang with adjustable uppers and lowers and know several other people with the same setup and they will wear out from normal street driving in a couple of years depending on how hard you drive them/how often you go to the track
The Jalopy Journal
