Uneven rear camber after lowering springs - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Euphues · 11-07-2015, 06:17 PM

So I installed hotchkis lowering springs last weekend. This weekend I went into Firestone and bought a lifetime alignment. The car has pretty even camber in the front at -.4" and -.3" I plan to bring it back and have camber bolts installed. I got some SPC ones online.

The rear however is -2.4 left and -1.4 right.

What would cause this to happen? Any advice on a solution for the situation?

solidONE · 11-07-2015, 06:36 PM

Quote:

Originally Posted by Euphues

So I installed hotchkis lowering springs last weekend. This weekend I went into Firestone and bought a lifetime alignment. The car has pretty even camber in the front at -.4" and -.3" I plan to bring it back and have camber bolts installed. I got some SPC ones online.

The rear however is -2.4 left and -1.4 right.

What would cause this to happen? Any advice on a solution for the situation?

You can attempt to center the subframe using rigid collars, or shifting the subframe after loosening then retightening, but not much you can do besides using adjustable control arms. I've tried using the first 2 methods I mentioned to no avail. If you measure your ride heights, it too will be lop sided. I thought this would be less severe on newer models... apparently not. Yours sound to be really severe. My car is about .5 degrees off and sits about 5~8mm taller on the passenger side.

finch1750 · 11-07-2015, 06:45 PM

its like that from factory. Most aren't that different but mine was. You wont get too much from the subframe. Get some LCAs for adjusment and call it good.

Calum · 11-07-2015, 10:11 PM

A 12 mm camber bolt fits in the rear lower control arm inner bolt. You can get about half a degree plus or minus with them. That's what I used to fix my uneven camber.

qwerty66 · 11-07-2015, 10:47 PM

did you load up the suspension when you tightened up the bolts?

Euphues · 11-08-2015, 12:52 PM

Tightened what bolts? The suspension was handing freely up on jack stands when we tightened the center bolts and the bolts holding the top hat to the car

Gunman · 11-08-2015, 01:13 PM

Quote:

Originally Posted by Euphues

Tightened what bolts? The suspension was handing freely up on jack stands when we tightened the center bolts and the bolts holding the top hat to the car

In the Hotchkis instructions, there are some bolts you don't full tighten until the car is back on the ground, and rolled fore/aft a little to settle the suspension.

Page 30:
http://www.jegs.com/InstallationInst.../515-19445.pdf

solidONE · 11-09-2015, 12:34 PM

^ That might be a contributing factor of your camber and ride height uneven-ness. If it was even before you installed then that's probably the cause. Couple of other things is stiction in the suspension if you really pinched those control arms back on by over torquing (although stock bushings aren't quite as smooth as rod-ends or ball bearings), or the springs themselves are uneven in height and spring rate left to right. It's pretty common with cheapo $50 ebay/china springs. I haven't installed hotchkis brand springs but I highly doubt this is the case.

ChrisP · 11-10-2015, 12:11 PM

Same thing happened when I installed the TRD lowering springs. I have -1.5 on the left and -2.6 on the right. I'm planing on getting the SPC lower control arms to adjust it.

solidONE · 11-10-2015, 12:21 PM

Quote:

Originally Posted by ChrisP

Same thing happened when I installed the TRD lowering springs. I have -1.5 on the left and -2.6 on the right. I'm planing on getting the SPC lower control arms to adjust it.

Where were the camber specs at before changing out the springs?

ChrisP · 11-10-2015, 12:24 PM

Quote:

Originally Posted by solidONE

Where were the camber specs at before changing out the springs?

Unfortunately I dont know. I probably should have had it checked before the install but I didnt.

MisterSheep · 11-10-2015, 12:42 PM

Our cars don't have adjustable camber, so when we lower them they get out of wack.

Easiest solution is to add camber bolts to the front and lower control arms in the rear and then get another alignment.

tyler_win_photo · 11-11-2015, 08:27 PM

A lot of our cars came from factory with uneven camber in the rear. When you lower your car, the difference is likely to become more apparent. Only way out is with adjustable lower control arms.

11-07-2015, 06:17 PM	#1
Euphues Member Join Date: Jun 2015 Drives: 2015 Raven FRS Location: South Ogden, Utah Posts: 33 Thanks: 0 Thanked 3 Times in 3 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Uneven rear camber after lowering springs So I installed hotchkis lowering springs last weekend. This weekend I went into Firestone and bought a lifetime alignment. The car has pretty even camber in the front at -.4" and -.3" I plan to bring it back and have camber bolts installed. I got some SPC ones online. The rear however is -2.4 left and -1.4 right. What would cause this to happen? Any advice on a solution for the situation?

11-07-2015, 06:45 PM	#3
finch1750 Undisputed El Presidente Join Date: Jun 2012 Drives: Zenki 37J ZN6 Location: Stockton, CA Posts: 11,571 Thanks: 9,382 Thanked 9,397 Times in 5,261 Posts Mentioned: 374 Post(s) Tagged: 33 Thread(s)	its like that from factory. Most aren't that different but mine was. You wont get too much from the subframe. Get some LCAs for adjusment and call it good. __________________ "Just like how a strut bar somehow enables you to corner 20MPH faster around a cloverleaf on-ramp, when the reality is, you can do it already but you just don't have to balls to do it." - CSG David

11-09-2015, 12:34 PM	#8
solidONE Senior Member Join Date: Dec 2012 Drives: FR-S Whiteout Location: California Posts: 2,863 Thanks: 1,808 Thanked 790 Times in 611 Posts Mentioned: 42 Post(s) Tagged: 0 Thread(s)	^ That might be a contributing factor of your camber and ride height uneven-ness. If it was even before you installed then that's probably the cause. Couple of other things is stiction in the suspension if you really pinched those control arms back on by over torquing (although stock bushings aren't quite as smooth as rod-ends or ball bearings), or the springs themselves are uneven in height and spring rate left to right. It's pretty common with cheapo $50 ebay/china springs. I haven't installed hotchkis brand springs but I highly doubt this is the case. __________________ Intent > Content cowardice is the mother of cruelty.

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11-07-2015, 10:11 PM	#4
Calum That Guy Join Date: Dec 2011 Drives: 2013 asphalt FRS MT Location: Halifax, Nova Scotia Posts: 4,865 Thanks: 5,058 Thanked 2,867 Times in 1,499 Posts Mentioned: 82 Post(s) Tagged: 1 Thread(s)	A 12 mm camber bolt fits in the rear lower control arm inner bolt. You can get about half a degree plus or minus with them. That's what I used to fix my uneven camber.

11-07-2015, 10:47 PM	#5
qwerty66 Member Join Date: Jun 2014 Drives: frs Location: Canada Posts: 41 Thanks: 12 Thanked 65 Times in 17 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	did you load up the suspension when you tightened up the bolts?

11-08-2015, 12:52 PM	#6
Euphues Member Join Date: Jun 2015 Drives: 2015 Raven FRS Location: South Ogden, Utah Posts: 33 Thanks: 0 Thanked 3 Times in 3 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Tightened what bolts? The suspension was handing freely up on jack stands when we tightened the center bolts and the bolts holding the top hat to the car

11-11-2015, 08:27 PM	#13
tyler_win_photo Senior Member Join Date: Dec 2013 Drives: 2014 Scion FRS (Asphalt) Location: Redmond, WA Posts: 557 Thanks: 39 Thanked 172 Times in 142 Posts Mentioned: 6 Post(s) Tagged: 2 Thread(s)	A lot of our cars came from factory with uneven camber in the rear. When you lower your car, the difference is likely to become more apparent. Only way out is with adjustable lower control arms.

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