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Old 07-20-2016, 04:01 PM   #1
Scooby Newbie
Member#: 163239
Join Date: Nov 2007
Chapter/Region: RMIC
2013 STI

Default Pulling left under acceleration and right on deceleration

Ok, so I have a 2013 STI and within the past few thousand miles the car has started pulling to the left as I accelerate, the harder I accelerate the harder it pulls and when I let off the gas without using brakes it pulls right, the cars suspension is stock except for Fortune Auto 500 gen 5's and I have 18x9.5 wrapped in 255/35r18 tires that have roughly 10-15k on them, I recently had the car realigned because of some camber wear on the pass front tire and everything is within spec except the pass rear camber but it's only .2 deg different then the drivers rear, I checked to make sure the tires are properly inflated so they are set to 33psi F and 32psi R, I also checked for bearing play as the car has 88k miles on the clock and all 4 corners have zero play, anyone have any ideas on other things I can check to rule them out as well?
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Old 07-22-2016, 06:19 PM   #2
Scooby Specialist
Member#: 329822
Join Date: Aug 2012
Location: Rocklin, CA
2016 WRX STi


How much lowered are you? When u lower your subaru I recommend you buy rear lower control arm so you can dial rear camber back to oem or close to oem. Also factory subaru WRX/STi are known to have unequal camber in the rear. So in a nutshell you should buy new rear control arms dial them to oem spec or near spec and just make sure both sides are even. Let's hope this will fix you problems.
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Old 07-22-2016, 07:03 PM   #3
Scooby Newbie
Member#: 447721
Join Date: May 2016
Location: Arizona

Rear camber especially a little neg camber from lowering would not cause this.

To OP... You said you recently had it aligned. Sounds like maybe the shop left something loose and now it's way out of spec and or now has slop in the suspension that moves under loading. First thing i'd do is look under your car and make sure eerything "looks ok" at-least purely from a safety stand point. If it does drive it back to the alignment shop. If they F'd something up they should fix it for free.
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