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Spring install questions

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Old May 28, 2022 | 02:28 PM
  #1  
KCobain147's Avatar
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From: Cheektowaga., NY, USA
Car: 91 Camaro RS
Engine: 305 TBI LO3
Spring install questions

Had another thread started but problem now is a bit different so starting a new one.

Replacing/upgrading the front end of the car. Parts list:

Baer 13in Track 4 built on modified factory spindles.
Koni Yellows
Spohn taller upper mounts
Spohn lower ball joint
Spohn upper spring insulators
Eibach Sportline lowering springs

Sportlines were originally in the car with stock struts and spindles prior to swap. Ride height was as expected with minimal fender gap. All parts are spec'd for our cars - direct replacement with no machine work on anything, anywhere. After swap, car is sitting way too high. Realized I indexed the springs wrong - I had both holes covered in the LCA closest to the K member / engine bay. Just got done re-indexing springs. Ride height is unchanged. Curious as to what else could be wrong. Is it possible that the upper part of the spring isn't seated properly in the tunnel or is that next to impossible to mess up? At a loss here as to what went wrong.

Thanks!
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Old Jun 1, 2022 | 03:18 PM
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Abubaca's Avatar
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Re: Spring install questions

Yes, it's definitely possible it's not seated properly in the UPPER portion of the spring pocket. I've done this several times, and never paid the top pocket much attention. Did it one time and the car sat about an inch and a half high. I had the car on jackstands with the suspension hanging, and with a prybar I was able to shift the spring, and BANG....it just popped in. I still can't imagine HOW it wasn't seated right, but sure enough....it wasn't.
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Old Jun 3, 2022 | 08:36 PM
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Re: Spring install questions

Koni yellows have significantly higher gas charges than a stock strut. Especially compared to a stock strut that's old. Means you might get a slight ride height increase with a Koni yellow. 3/4in or so. But there always the possibility the springs are not seated into the K-member all the way.I did that back when I had the cheap moog 5662 springs. Ride height was super high when I did that years and years ago.
you can cut 1/4 a coil off the springs to get the height you want. Cutting springs isn't as taboo as people make it out to be.


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Old Jun 9, 2022 | 01:45 PM
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KCobain147's Avatar
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From: Cheektowaga., NY, USA
Car: 91 Camaro RS
Engine: 305 TBI LO3
Re: Spring install questions

Thanks all. New rubber insulators from Spohn actually took up the entire pocket, were a stiffer material and didn't compress as much. Plus didn't slide. Took those out. Threw the old insulators on, and they slid in a lot easier with a smidge of silicone for motivation.
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Old Jul 8, 2022 | 11:10 AM
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Car: 1991 BandittII Firebird
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Transmission: 700R4
Axle/Gears: 3.27 9 bolt
Re: Spring install questions

Originally Posted by KCobain147
Thanks all. New rubber insulators from Spohn actually took up the entire pocket, were a stiffer material and didn't compress as much. Plus didn't slide. Took those out. Threw the old insulators on, and they slid in a lot easier with a smidge of silicone for motivation.
Did this fix your ride height problem, because manufacturing tolerances will vary on all the factory parts on the car and even the new springs what the spring manufacture states on ride height you my not see. You may need to take further steps to get the ride height that you want.
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Old Oct 3, 2022 | 04:25 PM
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KCobain147's Avatar
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From: Cheektowaga., NY, USA
Car: 91 Camaro RS
Engine: 305 TBI LO3
Re: Spring install questions

Originally Posted by 91banditt2
Did this fix your ride height problem, because manufacturing tolerances will vary on all the factory parts on the car and even the new springs what the spring manufacture states on ride height you my not see. You may need to take further steps to get the ride height that you want.
Wasn't a ride height problem per se- was that they weren't seating properly all the way in the pocket due to the new insulators. Flipping back to the old solved the issue.
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