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Category: Rig Review Section

Worn Upper Control Arm Bushings Leads to Updated SPC UCAs

My original SPC UCAs with sleeved poly bushings on the left; new UCAs with the X-Axis joint on the right.

TL;DR - the last time I got an alignment, the tech mentioned that the rear passenger side bushing on the upper control arm (UCA) was starting to get a bit loose. After some consideration, I decided to install completely new UCAs, with lifetime joints so I never have to worry about those bushings again.

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ADS Coilover Spherical Bearings (resolved)

Replacing spherical bearings on the front coilover. Note that the (left) FKSSX10T-F1 bearings from the lower eye show almost no rust (since they are stainless steel) after replacement, while the (right) upper bearing FKS10T-F1 (hardened steel) shows significant rust.

TL;DR - I'm convinced that switching to extra tight stainless steel spherical bearings is the way to go, and I have numbers to prove it.

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