toe issues after rear control arm install - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Im_SPEED · 04-02-2013, 04:20 PM

so i just installed rear control arms to get my rear camber to -2.0 and when i did that the best i could get my toe was -1.90 and this made the car very drifty undriveable i did some tweaking and got it so the toe was positive making the car drive able but now my camber is way to high in the rear. any segestions on what i can do. side note it needs to be ST legal thats why im posting here. as it sits the rear camber is -3.0 and -2.7 toe is .98 and 1.50 both positive. front is good -3.0 both sides and 0 toe i know that the front doesnt effect the rear.

Dezoris · 04-02-2013, 04:36 PM

What arms did you swap in (Upper or lower)? Also what was your stock camber and toe settings before?

So here are my immediate thoughts: arms were not specifically designed for the BRZ/FR-S or you got the wrong product. If your camber and toe were very even before I'd blame it on the arms. If your factory camber and toe were off then I would try loosening the rear sub frame (4 bolts).

Im_SPEED · 04-02-2013, 04:42 PM

lower control arms. ok well the camber/toe was even before i dont remember exact numbers but it was good. i did have the sub frame out to do rear sub frame bushings. but i marked the frame and the body to make sure i go it close on when i re installed it. btw the car is lowered on coil overs.

Im_SPEED · 04-02-2013, 05:15 PM

oh ya one other thing the arms are spc.... yes i know im a cheap ass... but they were what was available with normal bushings at the time..

Ranatsu · 04-02-2013, 05:39 PM

Did you buy that optional toe adjustment that SPC sells? Its supposed to help with dialing in the toe.

Im_SPEED · 04-02-2013, 06:18 PM

yes i did. im thinking i may just have to mess with the position of the bushing it self because its an off set hole. so if i press it back out and turn it about an 1/8 of a turn away from joint end i may get closer to what i want im just hoping someone has something for me not like pressing out the bushing is hard just tedious.

04-02-2013, 04:20 PM	#1
Im_SPEED Senior Member Join Date: Aug 2012 Drives: FRS hot lava Location: Oregon Posts: 151 Thanks: 9 Thanked 32 Times in 16 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	toe issues after rear control arm install so i just installed rear control arms to get my rear camber to -2.0 and when i did that the best i could get my toe was -1.90 and this made the car very drifty undriveable i did some tweaking and got it so the toe was positive making the car drive able but now my camber is way to high in the rear. any segestions on what i can do. side note it needs to be ST legal thats why im posting here. as it sits the rear camber is -3.0 and -2.7 toe is .98 and 1.50 both positive. front is good -3.0 both sides and 0 toe i know that the front doesnt effect the rear.

04-02-2013, 04:36 PM	#2
Dezoris Senior Member Join Date: Aug 2012 Drives: FR-S Location: IL Posts: 2,857 Thanks: 519 Thanked 2,998 Times in 1,095 Posts Mentioned: 159 Post(s) Tagged: 1 Thread(s)	What arms did you swap in (Upper or lower)? Also what was your stock camber and toe settings before? So here are my immediate thoughts: arms were not specifically designed for the BRZ/FR-S or you got the wrong product. If your camber and toe were very even before I'd blame it on the arms. If your factory camber and toe were off then I would try loosening the rear sub frame (4 bolts). __________________ SAVAGEGEESE

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04-02-2013, 04:42 PM	#3
Im_SPEED Senior Member Join Date: Aug 2012 Drives: FRS hot lava Location: Oregon Posts: 151 Thanks: 9 Thanked 32 Times in 16 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	lower control arms. ok well the camber/toe was even before i dont remember exact numbers but it was good. i did have the sub frame out to do rear sub frame bushings. but i marked the frame and the body to make sure i go it close on when i re installed it. btw the car is lowered on coil overs.

04-02-2013, 05:15 PM	#4
Im_SPEED Senior Member Join Date: Aug 2012 Drives: FRS hot lava Location: Oregon Posts: 151 Thanks: 9 Thanked 32 Times in 16 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	oh ya one other thing the arms are spc.... yes i know im a cheap ass... but they were what was available with normal bushings at the time..

04-02-2013, 05:39 PM	#5
Ranatsu Cone basher Join Date: Mar 2012 Drives: 2017 Subaru BRZ Series.Yellow Location: Dodgin cones in San Antonio, TX Posts: 800 Thanks: 51 Thanked 256 Times in 169 Posts Mentioned: 7 Post(s) Tagged: 0 Thread(s)	Did you buy that optional toe adjustment that SPC sells? Its supposed to help with dialing in the toe.

04-02-2013, 06:18 PM	#6
Im_SPEED Senior Member Join Date: Aug 2012 Drives: FRS hot lava Location: Oregon Posts: 151 Thanks: 9 Thanked 32 Times in 16 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	yes i did. im thinking i may just have to mess with the position of the bushing it self because its an off set hole. so if i press it back out and turn it about an 1/8 of a turn away from joint end i may get closer to what i want im just hoping someone has something for me not like pressing out the bushing is hard just tedious.

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