Torsion bars

dak**rt said

Dont tighten the lower control arm pivots until car is on the ground with all the weight on the front suspension, I set ride height before also. If you tighten them with suspension hanging when you set it down it will destroy your lower control arm bushings.

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Yup. If you tightened it all in the air, a bushing might be giving up, spinning slightly in the shell, or even metal groaning.
I'd suggest raising the front end, loosening the lca bolt, lowering it down and then retightening. Might cure your problem.

If you have a sway bar, try disconnecting it at both ends to rule it in or out too.