Notices
997 Forum 2005-2012
Sponsored by:
Sponsored by:

Uneven lowering? Bilsteins + Eibachs

Thread Tools
 
Search this Thread
 
Old 03-12-2024, 12:38 PM
  #16  
eggsandwich
Rennlist Member
Thread Starter
 
eggsandwich's Avatar
 
Join Date: May 2022
Posts: 310
Received 106 Likes on 49 Posts
Default

Originally Posted by Petza914
Did you buy all these parts new from a dealer. I've never seen red Bilstein shocks - just blue, yellow, or silver.
They're front: yellow / rears: gray.

Fronts:




Rears:




Old 03-12-2024, 01:30 PM
  #17  
groovzilla
Rennlist Member
 
groovzilla's Avatar
 
Join Date: Oct 2007
Location: seattle, washington
Posts: 17,214
Received 4,853 Likes on 2,874 Posts
Default

Originally Posted by ATX_Native
Nope the rear won’t settle.

My Eibach springs are much lower in the front.

If I keep my car much longer I am going Feal/Swift or BC Coils to get some lift in the front, and dampening adjustment.



You car's height front and rear look great - I would leave as is.




Old 03-12-2024, 02:12 PM
  #18  
grnrcr
Track Day
 
grnrcr's Avatar
 
Join Date: Apr 2022
Posts: 19
Received 18 Likes on 6 Posts
Default

As an Eibach springs user, I can confirm my front end isn't nearly as slammed as yours. The back looks about the same as mine.
Old 03-12-2024, 03:57 PM
  #19  
seewong
Instructor
 
seewong's Avatar
 
Join Date: Mar 2018
Location: Dublin, CA
Posts: 106
Received 98 Likes on 33 Posts
Default Your front struts are sunken

Based on the picture you posted, the strut has indeed sunken into the carrier. The tab that the arrow is pointing to was initially 90 degrees, and holds the strut from sliding too far into the wheel carrier. You are supposed to tighten the sway bar end link to clamp the strut BEFORE putting the car down, as the weight of the car easily bends that tab. You can see the tab bent and forced in between the clamp here. Jack up the car, loosen the sway bar end link, lift the strut up, bend the tab back, and tighten the end link before lowering the car back down.

The following 2 users liked this post by seewong:
eggsandwich (03-12-2024), Spastblast (03-13-2024)
Old 03-12-2024, 04:31 PM
  #20  
eggsandwich
Rennlist Member
Thread Starter
 
eggsandwich's Avatar
 
Join Date: May 2022
Posts: 310
Received 106 Likes on 49 Posts
Default

Originally Posted by seewong
Based on the picture you posted, the strut has indeed sunken into the carrier. The tab that the arrow is pointing to was initially 90 degrees, and holds the strut from sliding too far into the wheel carrier. You are supposed to tighten the sway bar end link to clamp the strut BEFORE putting the car down, as the weight of the car easily bends that tab. You can see the tab bent and forced in between the clamp here. Jack up the car, loosen the sway bar end link, lift the strut up, bend the tab back, and tighten the end link before lowering the car back down.
Thanks that does make sense...I compared the old and new shocks and I do see that tab...it's not on the old shock.
Does that mean that the tab just stops the strut from sliding too far down, but the weight and strnegth of holding the shock in position is on the swaybar link botl/nut?



The following 2 users liked this post by eggsandwich:
Que (04-08-2024), seewong (03-12-2024)
Old 03-12-2024, 05:14 PM
  #21  
seewong
Instructor
 
seewong's Avatar
 
Join Date: Mar 2018
Location: Dublin, CA
Posts: 106
Received 98 Likes on 33 Posts
Default

The tab just holds the strut in the correct place when you install it, but the clamping force of the sway bar end link is what keeps the strut from sliding down under load. Make sure you tighten it to spec.
The following 3 users liked this post by seewong:
D3RP (03-13-2024), eggsandwich (03-12-2024), Spastblast (03-13-2024)
Old 03-12-2024, 05:29 PM
  #22  
eggsandwich
Rennlist Member
Thread Starter
 
eggsandwich's Avatar
 
Join Date: May 2022
Posts: 310
Received 106 Likes on 49 Posts
Default

Originally Posted by seewong
The tab just holds the strut in the correct place when you install it, but the clamping force of the sway bar end link is what keeps the strut from sliding down under load. Make sure you tighten it to spec.
Got it! Will give it a try. Appreciate the investigation and solution!
Old 03-13-2024, 02:40 PM
  #23  
nwGTS
Rennlist Member
 
nwGTS's Avatar
 
Join Date: Jan 2014
Location: Chicago, IL
Posts: 4,066
Received 347 Likes on 159 Posts
Default

Holy crap. I've had this same problem on my front eibachs for years. They are about 1cm lower than the rear. I'll be researching this when I take it out of storage. Been on this forum for over a decade and still learn new things. Thanks, team.
Old 03-13-2024, 05:33 PM
  #24  
eggsandwich
Rennlist Member
Thread Starter
 
eggsandwich's Avatar
 
Join Date: May 2022
Posts: 310
Received 106 Likes on 49 Posts
Default

Appreciate all your feedback! Especially @seewong you solved it!
Indeed, that tab on the strut had been bent so that the strut was sitting too low down into the wheel carrier.

I did the correction work this morning...it worked, the fronts aren't "slammed" now, there's about a hand width's clearance between the top of the tire and the bottom of the wheel well now. Matches the rears better....still definitely lower at the front than back, but I think that's just the way this suspension is set up. After some time I'll post back here on what heights the wheels settles:





Last edited by eggsandwich; 03-13-2024 at 06:13 PM.
The following users liked this post:
nwGTS (04-10-2024)
Old 03-13-2024, 06:46 PM
  #25  
eggsandwich
Rennlist Member
Thread Starter
 
eggsandwich's Avatar
 
Join Date: May 2022
Posts: 310
Received 106 Likes on 49 Posts
Default

I'll summarise my learnings from this install:

I basically followed this process in this video - FCP Euro:

With these important caveats:

...uyou DO need a spring compressor like this, eventhough the video says you don't...
Amazon Amazon

Note this very thread about the install...! Relating to how (far down in the wheel carrier) the front struts should sit.
https://rennlist.com/forums/997-foru...s-eibachs.html

Finally, for the front strut/suspension setup: there is a lower washer that sits above the bumper stop in the new strut and it seems like it could sit loosely and rattle - this was discussed in this thread...the solution is to screw the nut on top down further than on the original suspension so that the washer is tight flush with the top part of the assembly.
https://rennlist.com/forums/997-foru...-assembly.html

Last edited by eggsandwich; 03-13-2024 at 11:33 PM.
The following users liked this post:
850tgul (03-14-2024)
Old 03-13-2024, 11:23 PM
  #26  
seewong
Instructor
 
seewong's Avatar
 
Join Date: Mar 2018
Location: Dublin, CA
Posts: 106
Received 98 Likes on 33 Posts
Default

Glad I could help! One thing I did after installing that most others didn't do was to put retighten the bushings under load. I put one rear wheel on a ramp (wooden boards), and then put a jack stand under the car on the opposite side's jack point (wheel removed). Then I jacked up the wheel carrier until the car was level, and loosened and retightened all of the upper dog bones. This reset their resting points at the new ride height, and actually lowered my car another 1/8". Doesn't sound like much, but when you're dialing in the ride height it makes all the difference. I also did this with the front lower control arms where they meet the subframe. You can probably wait a little for the springs to settle before doing this if you are tired of messing with the car
The following users liked this post:
eggsandwich (03-13-2024)
Old 03-13-2024, 11:36 PM
  #27  
eggsandwich
Rennlist Member
Thread Starter
 
eggsandwich's Avatar
 
Join Date: May 2022
Posts: 310
Received 106 Likes on 49 Posts
Default

Originally Posted by seewong
Glad I could help! One thing I did after installing that most others didn't do was to put retighten the bushings under load. I put one rear wheel on a ramp (wooden boards), and then put a jack stand under the car on the opposite side's jack point (wheel removed). Then I jacked up the wheel carrier until the car was level, and loosened and retightened all of the upper dog bones. This reset their resting points at the new ride height, and actually lowered my car another 1/8". Doesn't sound like much, but when you're dialing in the ride height it makes all the difference. I also did this with the front lower control arms where they meet the subframe. You can probably wait a little for the springs to settle before doing this if you are tired of messing with the car
Nice suggestion. Will totally do this in a few weeks time after the suspension has settled a little more. I'm as OCD as the next guy w a wrench!
Old 03-13-2024, 11:39 PM
  #28  
jamesinger
Three Wheelin'
 
jamesinger's Avatar
 
Join Date: Apr 2018
Location: pasadena
Posts: 1,664
Received 783 Likes on 443 Posts
Default

For reference here are (not so great) photos of my car but it shows the ride height really clear with the same kit:



Your front looks lower to me in all pics but your rear looks about the same. Sorry this is kind of a repeat post but I am just adding some data. Hi.
Old 03-13-2024, 11:41 PM
  #29  
eggsandwich
Rennlist Member
Thread Starter
 
eggsandwich's Avatar
 
Join Date: May 2022
Posts: 310
Received 106 Likes on 49 Posts
Default

This is mine now...I think the front driver's side is slightly lower by about 0.5 to 1 cm.
I remember from my Toyota FJ cruiser days, the driver's side used to sag slightly more than the passenger side because of the unequal distribution of weight from the fuel tank.
Not sure if that's a thing w our cars?





Last edited by eggsandwich; 03-13-2024 at 11:46 PM.
The following 2 users liked this post by eggsandwich:
jamesinger (03-16-2024), Spastblast (03-19-2024)
Old 03-14-2024, 12:00 AM
  #30  
jamesinger
Three Wheelin'
 
jamesinger's Avatar
 
Join Date: Apr 2018
Location: pasadena
Posts: 1,664
Received 783 Likes on 443 Posts
Default

i was thinking that wheels and tire sizes might add some variation but one thing I do not like about eibach springs is that they have a rake. From my memory, it mimics the stock height but I would rather level (i.e. lower back, higher front in this case).
I can post side by sides of my car in the same spot before (with OEM GT3 coilovers) and after (B12 Kit). I can also post OEM, Eibachs with stock shocks, and the other two mentioned if desired but to anyone who isn's insane such as myself, I think it is fairly relative once the car is lowered.
The following users liked this post:
eggsandwich (03-14-2024)


Quick Reply: Uneven lowering? Bilsteins + Eibachs



All times are GMT -3. The time now is 11:14 AM.