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rear aftermarket springs too compressed and clunking.

Old 03-18-2008, 12:51 AM
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Originally Posted by shaunv74 View Post
Originally Posted by imput1234 View Post
get Swift's I have them, and they
I've had a couple recommendations on the Swift's. If my line on the RacingBeat springs falls through I'll check them out. Where did you purchase them?
There was a group buy a while back, the guy was selling em for $150shipped. I think it ended tho.
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Old 03-29-2008, 07:04 PM
  #27  
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wow thats weak.....got mine in the group buy and so far i dont have this situation....then again im on the oem shocks
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Old 03-30-2008, 01:05 AM
  #28  
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Come on.... I know you want to be a RB fan boy!
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Old 03-30-2008, 10:49 AM
  #29  
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Originally Posted by chrism View Post
wow thats weak.....got mine in the group buy and so far i dont have this situation....then again im on the oem shocks
Yes mine were fine on the OEM shocks. They dropped when I went to the Koni shocks.

I'm still waiting on the RB springs. Should be here in 2 weeks from the guy I'm getting them from.
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Old 03-31-2008, 06:13 PM
  #30  
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Quick question on the clunking, does it clunk only when you turn?
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Old 03-31-2008, 06:18 PM
  #31  
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shaun: stop putting so many dead bodies in the trunk. The extra weight FUBAR'd your springs.
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Old 03-31-2008, 06:24 PM
  #32  
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Originally Posted by imput1234 View Post
get Swift's I have them, and they

oem vs swift
Wow that's significantly shorter than I imagined the spring would be.
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Old 03-31-2008, 07:52 PM
  #33  
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Originally Posted by TeamRX8 View Post
the spring coils are hitting each other, if you look closely you can see the paint markings where they are banging into each other, which is a classic coil bind situation. Very poor design IMO.
Its not just the springs. Its the combination.

To the OP get some Tanabe GF210's. They go great with the shocks you have right now!!!
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Old 03-31-2008, 08:59 PM
  #34  
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Originally Posted by HaiDoGGRX-8 View Post
Quick question on the clunking, does it clunk only when you turn?
Nope. It happens when I brake hard too. I'm guessing that around 0.7G's or higher it's a large enough force to get the coils to jump over and slide across each other. That's why it doesn't happen when I accelerate hard. The RX8 can only pull about 0.5G's in acceleration.

(as measured by my Gtech)
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Old 03-31-2008, 09:02 PM
  #35  
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Originally Posted by DOMINION View Post
Its not just the springs. Its the combination.

To the OP get some Tanabe GF210's. They go great with the shocks you have right now!!!
Thanks Dom. I am about two weeks out on the RB deal. If that falls through I'm looking at the Eibachs but I will take a look at the Tanabe's as well.

Good to know someone else has them and they work okay with the Konis.

This is the last time I become an early adopter.
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Old 03-31-2008, 09:03 PM
  #36  
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Originally Posted by Jedi54 View Post
shaun: stop putting so many dead bodies in the trunk. The extra weight FUBAR'd your springs.
Shhh...
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Old 03-31-2008, 11:04 PM
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Cool

Originally Posted by shaunv74 View Post
Thanks Dom. I am about two weeks out on the RB deal. If that falls through I'm looking at the Eibachs but I will take a look at the Tanabe's as well.

Good to know someone else has them and they work okay with the Konis.

This is the last time I become an early adopter.
Thing is RB stuff is like stock.
Search up my old thread(s) when I had my AT 8 and was looking for Tanabe springs. A few guys had Tanabe GF210's and Konis shocks there rides look sick!
This is my second set of Tanabe GF210's. Nothing but good compliments.
Think I'm going to get the Konis soon
Let me know how it works out!
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Old 03-31-2008, 11:06 PM
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Originally Posted by shaunv74 View Post
Nope. It happens when I brake hard too. I'm guessing that around 0.7G's or higher it's a large enough force to get the coils to jump over and slide across each other. That's why it doesn't happen when I accelerate hard. The RX8 can only pull about 0.5G's in acceleration.

(as measured by my Gtech)
Never had that happen with my set up. And I'm talking WOT! after WOT 1st 2nd 3rd! and you can feel the back end squat down
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Old 03-31-2008, 11:56 PM
  #39  
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Good Luck!
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Old 04-01-2008, 01:51 PM
  #40  
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Thanks! I'll get some after shots when I install them. There is a track day on April 24th. I"m hoping I can put them on and be ready before then to get some impressions.
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Old 04-01-2008, 02:42 PM
  #41  
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Should only take about one hour to install the shocks. Its just like installing springs lol
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Old 06-04-2008, 12:06 AM
  #42  
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FWIW, the Konis lowered my rear quite noticeably with stock springs and caused them to look compressed more than usual as well:



Of course, there's no coil binding there w/ the stock spring, but you can see it's not its happy "normal ride height" self.

Based on my experience, Konis will definitely lower your ride height, but it's a question of how much. On my car, the answer seems to be about half an inch or so.

Perhaps the Koni (low-pressure gas shock) difference has more effect in the rear than the front because the rear is a softer spring than the front spring.

It also seems that if your car has been lowered for a while, your bushings have probably settled in a slightly lower position than stock, esp if you had it aligned and had, say, the rear camber and toe cams loosened and retightened. So this may contribute to your rear (and my rear) dropping a greater distance when switching to Konis.

When people put in Konis on a previously stock suspension car, they may not loosen and retighten every single bushing in the rear suspension and consequently may not get quite as much of a drop, since most of the bushings will be in that "stock height" location.

See my "rear too low" thread.

Anyways, it seems that all the springs are designed with the high-pressure gas shocks in mind. I'm running a Koni/Tein H-tech combo and I'm as low as a Tein S-tech car on stock shocks and Mazdaspeed shocks. However, my spring rate is not as stiff as the S-tech. So I basically have the S-tech height with the H-tech spring rate increase.

I considered going w/ the RB springs, as they had the attractive combination more stiffness and less drop than other options, but I was concerned that I was going to get a fairly uneven front and rear wheel gap (more front than rear). So I decided to stop chancing it and went with H-techs that were advertised to drop the front more than the rear. In the end, my ride looks fairly even, maybe a touch less gap rear than front, but not much at all. However, you ran springs that had an advertised front & rear even drop, how did your drop look with the Konis? (Maybe the advertised numbers dont' tell the whole story)

(EDIT: I just re-read your post and noticed you say that the rear sat a lot lower after Konis... so let's hope that things will sit even with the RB or Eibach springs you're getting, but my feeling is skeptical on i).

Last edited by Astral; 06-04-2008 at 12:15 AM.
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Old 06-25-2008, 03:33 PM
  #43  
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Update:

So my used Racingbeat deal isn't going to happen but I have a line on another set used.

I'm not as worried about too high ride height as I am getting good suspension travel and too low ride height. I think right now my shorter suspension travel is also starting to cause problems with my front control arms. I'm getting some clunking when I turn the wheel while the suspension is compressed. Like hard cornering under braking or going up an incline into a parking lot or my garage. I am speculating that my front upper control arm is bottoming out the ball joint articulation and rubbing on the spindle arm. I am hoping there is no permanent damage going on here. When I turn the wheel while in the compressed state I can feel in the steering wheel and hear a clunk.

I'm not going to track it again until I get the new springs in.

Last edited by shaunv74; 06-25-2008 at 03:38 PM.
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Old 06-25-2008, 03:51 PM
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Keep us posted, curious to see how the ride height and evenness thereof will be with the RBs!
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Old 06-25-2008, 04:00 PM
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shaun: have you looked into some Tein H-Techs?
DPE had some great experiences with that combo on their track car
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Old 06-25-2008, 09:18 PM
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DPE is out of business.
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Old 06-25-2008, 09:55 PM
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yes, but they still were VERY knowledgable about suspension setups
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Old 06-26-2008, 01:17 AM
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Originally Posted by Jedi54 View Post
shaun: have you looked into some Tein H-Techs?
DPE had some great experiences with that combo on their track car
Yeah I've looked at them too and I know they would work well. I'm just set on the Racing Beat springs. I like their stuff and one of my driving buddies has them and it's exactly the ride I'm looking for.
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Old 06-26-2008, 01:37 AM
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Originally Posted by shaunv74 View Post
Yeah I've looked at them too and I know they would work well. I'm just set on the Racing Beat springs. I like their stuff and one of my driving buddies has them and it's exactly the ride I'm looking for.
amazing track set up i got a ride in.. rb springs. bilsein hd shocks. front rb sway bar..

wow, just wow.

beers
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Old 06-30-2008, 12:05 AM
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Well I had to back out on our monthly drive today because the steering clunk was just getting too bad and I wanted to limit the amount of damage I might cause the suspension.

So I spent the day ripping out the Espelir springs and putting the stock springs back in. I did the front's first and lo and behold the clunking with steering was completely gone! Imagine that. At least I know it was just the springs and not something else. So I'm half done with the rears now. Hopefully have them finished tomorrow night or Tuesday.

I'm actually interested to see how the stock springs with the Konis and RB sways will act. It may be a nice compromise for a while...

At least I'm getting better at changing the springs now. God the rears suck though.
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