H8 B N SLO

I just got the car back from the shop today and I absolutly hate the ride. I have set the shocks on every setting from 0-12 and I can't get rid of this bouncing ride.
I used the Eibach Pro kit but either they packaged the springs wrong or the shop installed them wrong because it SLAMMED the car.
After driving the car home the suspension settled a little more and the top of the rear tire is flush with the fender well.
They had the front lowered so the tires were tucked about 2" into the fender well.
I adjusted the HALs so the front tire sits about the same in the fender wells as the back does.
What can do?
I am ready to take it back and have them pull everything off.
Anyone have any suggestions?

adm408

sorry to hear about that. ive heard that others have had this same problems with the pro kit. some have come to find out that they accidentilly recieved the sportlines, maybe this is what happened <img border="0" title="" alt="[Confused]" src="images/icons/confused.gif" /> . hope you get some answers...
-anthony

prockbp

well.. if your are getting bouncy-bouncy on the highway at every setting with the Hals.. then, they just are not good enough shocks to deal with the springs

you should've bought Koni Sport Single Adjustable shocks... that's what i have(G2 springs), and i don't get bouncy-bouncy

if the springs lowered the car too much, then you should definately speak up about that... Eibach should give you the right springs

Superman

I just did Hals/Hypercoil in front and NAPA shocks and hypercoils in back. I got the bouncy thing too and could not stand it. Mine seemed to only be bouncing from the back thou. I took out the Hypercoils out the rear and put the stock springs back on minus the locators which dropped it about an inch. It`s much better now, with some better rear shocks hopefully it will be all good.

Looks awesome, I like the "raked" look.. handles good too I have the Hals set one 3 in front.

NoGo

iTrader: (2)

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by prockbp:
<strong>well.. if your are getting bouncy-bouncy on the highway at every setting with the Hals.. then, they just are not good enough shocks to deal with the springs

you should've bought Koni Sport Single Adjustable shocks... that's what i have(G2 springs), and i don't get bouncy-bouncy

if the springs lowered the car too much, then you should definately speak up about that... Eibach should give you the right springs</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Your problem is not that you bought the wrong shocks for the job. <img border="0" alt="[judgement]" title="" src="graemlins/gr_judge.gif" />

HALs will work just fine with practically all of the springs that are available for our cars. There are a lot of folks that are currently running Eibachs with HAL's

If you car was completely slammed with the install of the Eiback Pro's, then join the club. My Eibach pro kit lowered the car much more than was advertised.

Before having everything taken off, make sure that your setup is working the way that it is suppose to.

Are all of the HALs working properly. Just one crapped out shock will make the entire car feel like crap.

Did you get the correct spring set that you ordered?

I have been running a HAL/Eibach combo for almost a year now, and it has worked out great for me. I will be changing to G2 springs though to better suit road racing, and to stiffen up the back-end some.

also, lowered rides aren't for everyone.

Good luck

<small>[ May 29, 2002, 11:59 PM: Message edited by: NoGo ]</small>

H8 B N SLO

Thanks guys,
Is there anyway to look at the springs and tell if they are actually Sportlines or Pro kit?
It feels like the car lost all the suspension travel because the springs lowered the car so much.
It feels like it is coming mostly from the back but I think I am getting some bounce from the front too.
I am pretty sure all the shocks are fine. I can defenitly feel a difference switching the settings but nothing gets rid of the bounce.
The box and the receipt say the springs are the Pro kit. I am not sure if the springs actually say which ones they are.
Every car I have ever owned has been lowered, with the exception of my ZR2 Blazer.
I have never had a car that felt this bad.
I just don't know what to do.

<small>[ May 30, 2002, 01:07 AM: Message edited by: H8 B N SLO ]</small>

prockbp

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by NoGo:
<strong>Your problem is not that you bought the wrong shocks for the job. <img border="0" alt="[judgement]" title="" src="graemlins/gr_judge.gif" />

HALs will work just fine with practically all of the springs that are available for our cars. There are a lot of folks that are currently running Eibachs with HAL's</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">well... the bouncy feeling happens because the spring's energy is not being ABSORBED

shock absorbers

how many people do you know that autocross competetively with HAL's? i don't know any

<small>[ May 30, 2002, 09:01 PM: Message edited by: prockbp ]</small>

Viper

iTrader: (6)

Yeah, check the Eibach's; not sure how to tell the difference. My Eibach Pro's dropped awesome; the front tire is under the fender and I can get 1 finger in between the rears. Raked. I had stock decarbons and my god did they suck. I have Strano revalved Bilsteins on it now and it's much much better; best ride I've ever had in any of my Firebirds/Transams ( 4 total ).

NoGo

iTrader: (2)

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by prockbp:
<strong>

well... the bouncy feeling happens because the spring's energy is not being ABSORBED

shock absorbers

</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Right and wrong. You are assuming that shock aborbers are the chief/only component used to dampen the suspension system.

There are 3 primary contributors that affect low frequency oscillations (bouncing <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" /> )

1) Unsprung Vehicle Weight
2) Spring Stiffness (or spring constant)
3) Shock Stiffness (or damping force)

This narrows it down to 2 problems. His springs are either too soft, or his shocks aren't damping. Being he has turned up the HAL's all the way (on setting 12 they will shake loose fillings) then my money is on the fact that his springs are too soft.

Other people have also complained of the rear Eibachs going soft.

I don't Auto-X, but I do know of some people that RR on HALs.

<img border="0" alt="[cheers]" title="" src="graemlins/gr_cheers.gif" />

MetalKnight

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif"> Is there anyway to look at the springs and tell if they are actually Sportlines or Pro kit? </font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Eibach Pro springs are powder coated charcoal grey. Sportlines are powder coated red. Should make it very easy to identify.

MK

acarnut

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by H8 B N SLO:
<strong>It feels like the car lost all the suspension travel because the springs lowered the car so much.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Bingo. If your tires are even (or higher) than the wheel well opening, you are on the bump stops, and shocks are not the issue. Sorta like those honda civics that bounce along after cutting 3" out of the factory springs.

When I was measuring my car up for the drop, I lifted the rear axle up into the car *without* the rear springs in place. The tires went only an inch higher than the wheel weel openings, and the bumpstops were squished flat. Some people have cut or removed the bumpstops, but that makes for a crashing noise when you do bottom out.

Did they reinstall the rubber spacers that go on the top of the rear springs?

DaveH

H8 B N SLO

The springs are the Eibach Pro kit.
It is defenitly a problem with the springs. I reinsatlled the stock springs in the back and the bounce is almost comlpetely gone but you can still fell it a little in the front.
I am going to have the stock srings reinstalled in the front and adjust the springs downn to get the look I want.
I am going to cut about 1 coil off the stock springs in the back.
Before I do this, I have a question though. The stock SS springs are a single rate, right? So cutting the spring should not really effect the rate the spring compresses so it should effect ride quality very much if any.
If I am missing something please tell me but from everything I have read about cutting springs and it being "bad" is because it messes up the spring rate on a progressive rate spring. If it is a single rate then it shouldn't effect it at all, right?

rollercam

iTrader: (5)

Man, I just got a pro-kit installed on my car and it also dropped the rear a little more than 2.5 inches. The front dropped about 1.5 inches which is still more than advertised but I can live with that. I put Bilstiens at all four corners. I talked with Strano and Bilstein and for what I was doing neither thought I needed the revalves. Both said it is simply a matter of personal taste. The Pro-kit is not "suppose" to be a drastic drop and that is why the Bilsteins right out of the box work okay. Anyway, back to the point. I have been dealing with Eibach for about two weeks now and they are finally sending me a different set of rear springs to try on the car. I also think, like you, that the rear suspension is entirely too mushy and that the spring are just too weak. If these new springs are no better, then the stock ones are going back on. However, my ride is not really bouncy, but bumps at speed are a little more jolting, but that is probably due to the higher shock compression rate (revalves would probably help this out, but right now this is the least of my worries). If I was running the stock tires I would probably just leave everything alone, but since I would like to run my fairly expensinve Billet Specialties wheels, which now rub like crazy because I have about a half inch of clearance between tire and wheel well lip, I really need to remedy this problem. Otherwise I just have four large and expensive paper weights.

Viper

iTrader: (6)

I have the same problem with my rear Eibach's. Rubbing and gouging a 275/40/17 tire. Oddly enough this same combo last year had no problem with a Nitto DR.

The rear shocks are not revalved; only the fronts.

I may try the original rear spring minus the donut to see how things go. Minus the donut so it matches the front Eibach Pro drop.

Ronin98Z

I miss the stock ride sometimes...I'm considering changing the springs back to stock at least so i don't have to rely on my gf to take me on long trips. Havn't done any autox or solo's on tracks anyways recently.

I found doing the lower control arm brackets really improved the positive feel of the rear ride rather than sluggish/mushy.

Henry98Z
KYB/AGX
Pro-Kit
GW-LCA Brackets
etc.

RAGENZ28

iTrader: (5)

IT SOUNDS LIKE THE SPRING RATE IS WRONG FOR YOUR CAR, I HAVE HALS AND EIBACK DRAG LAUNCH SPRINGS, ONLY THING I DONT LIKE IS SINGLE ADJUSTABLE, KONI MAKES A DOUBLE ADJUSTABLE THAT SHOULD BE KICK *** REAR DOUBLE ADJUSTABLE I THINK TOO, THIS IS THE WAY DO GO FOR TUNING A RIDE.TOO BAD I SPENT 1200 MAKING A CUSTOM EXHAUST AND CAN'T AFFORD IT

mitchntx

iTrader: (14)

I yanked the Eibach Pros for G2 Supers.

Eibach used to be THE spring for F-bodys. Not sure what happened ...