OEM Upper Control Arm Bushing and Positive Caster

fklskv said

You can’t just put offset bushing in and get max caster. By the time you dial in the camber with offset bushings you end up at around +3 caster.

I still fail to see why you need a homemade retainer. The bushing design keeps them from moving back and forth.

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Only the front bushings on the UCAs became loose, as I show in the video. The rear bushings were fine (they had the collars pressed on them).
I replaced only the front bushings adding the metal collar to lock them in place. Both UCAs had to be stretched a bit, distance between front and rear bushings was a bit short to fit right. On passenger side I could set caster + 2.5 with - 0.8 camber but on drivers max caster is + 1.5 when camber is - 0.7 so that is what I will set for both sides.