Yeh I hear you, and I never did tighten them down with the car on the ground-- never really gave it a thought; then I got thinking about how on some of those links the bushing wears out like something is bushing it in the wrong direction. Then I thought about the ball on the bottom and thought it does not matter they will self- align, but then again I could not wrap my mind around it, so I thought I would ask and perhaps sound duh.