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So...been a while since an update.
Replaced the Tanabe front STB with the Whiteline one. Both are nice pieces. Not sure I can tell any difference in performance.
Replaced factory rear sway with the Whiteline BSR54Z. Didn't use the KBR38s that came with it as they are not legal for SCCA STX as far as I can tell. Initially had the rear sway on medium (middle of 3 places) and car seemed to be a little looser than I liked in the rear. Moved to softest and car feels much more stable and neutral now.
Put the COMCs on the front before my last event. That extra -0.5 deg neg camber and +0.75 caster was noticeable. Car seemed to plow MUCH less than before. Was getting some of the noise that others have noted so last night I put the Subie conical washers on. Drove around today and it the frequency of noise is much less as well as the intensity of the noise. I suspect that the RCE springs are still getting a little wind up when I make slow turns (think into and out of driveway and parking spaces). I suspect that the lower stack height of the springs has reduced the preload allowing the spring to twist slightly at low speed until the spring force exceeds the surface friction on the lower spring perch. I think this is the case because the upper perch has a rubber grommet, while the lower one does not.
For anyone looking to run the COMCs I would say you definitely want to run the Subie conical washer as well.
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