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Suspension | Chassis | Brakes -- Sponsored by 949 Racing Relating to suspension, chassis, and brakes. Sponsored by 949 Racing. |
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#15 |
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Join Date: Aug 2020
Drives: 2017 BRZ PP, 2004 WRX
Location: Pittsburgh
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I'm going to have to check mine when I get it out of storage again. I have the Perrin 19mm and I don't recall trying to rotate the bar just sitting there or having any issues with it. In fact, I really didn't notice any major change with it even on the stiffer setting (~70% stiffer) for autocross.
I do know mine has this weight issue on the passenger side of just contacting the control arm now that I have RCE SS-1 coilovers. Looked like it was more about the material on the ends and how the two adjustable holes were positioned. With a stock bar and one mounting point, it would clear no problem. Something tells me things are sitting 100% right or something. I am using the stock swaybar endlinks again as the Perrin ones I had contact the chassis with -4 degrees of camber. They're simply too thick at the attachment points. A bummer because in street class trim (aka stock-ish) they worked and held together great with no noises or issues. Even with the coilovers they were fine until I added the camber for racecar purposes.
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2017 BRZ Limited Performance Pack - Steel Cities Region SCCA / North Hills Sports Car Club
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#16 |
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Join Date: Jul 2023
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I went ahead redid the install. I shimmed the sway bar bushing brackets with 1 small washer(I'll report back with the washer thickness) at all four bolts/studs which allowed the bar to rotate much more freely. It still takes a little effort to rotate but nothing significant enough to cause bind IMO.
I resolved the sway bar to FLCA contact. I didn't have a lift or blocks to place under the wheels to get the entire weight of the car down but did my best to simulate it using a jack under the FLCA. The jack wasn't able to compress the front end enough to achieve the same center of hub to fender measurement as if the car was on the ground with the cars full weight but it was somewhat close at roughly 14" vs 14.75". In an effort to get the bar end as horizontal as possible I may have inadvertently shortened the new links too much. Sway bar clearance with the body of the car under compression(at the top of the sway bars arch) looks to be a little tight so I may need to go in and lengthen the links. Planning to apply some painters tape and put some miles on it investigate further. I haven't gotten a chance to really drive it after the reinstall but from my limited 5min test drive, suspension binding appears to have been greatly reduced, the noise from the FLCA contact is gone, and it feels like the car tramlines much less(I had none with the same alignment and stock from sway bar/links). |
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