<center><img src="http://pictureposter.audiworld.com/69143/garrett_turbo.jpg"></center><p>It's new-to-me with ~20K on it and doesn't have any measurable play in the shaft. However, it's obviously suffered some FOD (Foreign Object Damage) ... do I have it rebuilt now or live with it for a while longer?

so I would just fix it.

I wouldnt rebuild it... the cost of rebulding it it rather then getting a new one one might be a differece of a couple hundred...keep it as a spare and move on, the last thing you wan tto do is have something else malfuntion on it cause you have rebuilt it