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Old 02-19-2011, 10:41 AM   #1
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Didnt notice this before - trying to figure out what's going on on my rear setup. They are Koni sports, GC tubes, and Eibach 300# springs - on track only. Anyone else get spring to tube rub?

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Old 02-19-2011, 10:44 AM   #2
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mine's done that, just not so bad. are those 2.25" springs? you could cut done the sleeve so it's not so tall.
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Old 02-19-2011, 11:02 AM   #3
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That's a good idea - it's not like I'm gonna hike it up any higher than what it's set at. I was just worried there might be something twisted/out of spec with the setup.
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Old 02-19-2011, 11:12 AM   #4
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Do you have those little plastic spring isolators on the bottom? Insepct them when you disassble and cut the tube.
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Old 02-19-2011, 11:14 AM   #5
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one solution to this is helper springs. but it looks like you don't have the top spacers in place that keep the spring from moving...
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Old 02-19-2011, 11:19 AM   #6
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Hi-res pic of full coilover please.
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Old 02-19-2011, 11:26 AM   #7
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I've had some rub with mine but not that drastic. Is the spring unloading and shifting at full extension?
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Old 02-19-2011, 11:43 AM   #8
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Mine are doing the same thing as well, but also not nearly as bad. Koni Race/GC/Eibach Springs.

I could use a set of helper springs since the front shocks can unload at full extension. Then again I believe I saw the same wear on the rear adjuster tubes and the rears do not unload at full extension. The rubber spring retainers on all of the tophats are fine.
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Old 02-19-2011, 01:53 PM   #9
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I'm with everyone else, I have some rubbing but not much.
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Old 02-19-2011, 02:38 PM   #10
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I've also seen this on my old Billy setup.
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Old 02-19-2011, 03:11 PM   #11
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Tenders will solve it, helpers will do the same and improve compliance over curbs.
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Old 02-19-2011, 04:01 PM   #12
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Well, after having some time to inspect, it's quite clear what's going on on the pass rear. However, my camera sucks so excuse the clarity - but it's obvious the spring is not centered on the rubber isolator at the top. I'll have to pull the assembly out and try to 'mold' the isolator where the spring smashed it - or get a new one. Man - wonder how long that's been going on? I had better do more detailed inspection from now on.

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Old 02-19-2011, 04:31 PM   #13
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Whose spring isolators are those?
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Old 02-19-2011, 05:07 PM   #14
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not a big deal. they all do that. chop it, done.
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Old 02-19-2011, 05:27 PM   #15
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Quote:
Originally Posted by curly View Post
Whose spring isolators are those?
No clue - same setup since I bought the car in '09. Hopefully some Xidas in the future for me.

I'll chop 'em and be done with it. Thanks for the input guys
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Old 02-19-2011, 07:30 PM   #16
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They look like Ground Control.

--Ian
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Old 02-19-2011, 11:29 PM   #17
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ground controls come with the rubber ring for the top. guess it wears out.

sav: helpers are the lower rate ones...
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Old 02-20-2011, 03:08 PM   #18
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I have the same problem and I'm using the isolators, they're about as centered as i can get them. Like others said, my sleeves will never go up that high anyway.
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Old 02-20-2011, 06:04 PM   #19
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So I have been shopping around a bit for helper springs, spacers, and the plastic piece (name?) that goes between it and the main spring. Who sells them at a good price?
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Old 02-20-2011, 06:10 PM   #20
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He might want to get these too:

Quote:
The isolators are higher-density and wider than the Ground Control isolators, making them a better fit for any setup that uses NB mounts.
http://fatcatmotorsports.com/FCM_Kon...s_NA.htm#mount
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