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Ground Control Top hat on other springs?

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Old Apr 15, 2005 | 12:42 PM
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Default Ground Control Top hat on other springs?

Hey guys
I would like to get these to increase the ride quality and shock life, but I am running some Eibach Pro Kit Springs on Koni Yellows
I was wondering if anyone was running this product on suspention other then the GC coilovers?
TIA
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Old Apr 15, 2005 | 12:51 PM
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Default Re: Ground Control Top hat on other springs? (ITRacer121)

No, the springs must have a 2.5" inner diameter...
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Old Apr 15, 2005 | 03:37 PM
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Default Re: Ground Control Top hat on other springs? (94eg!)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 94eg! &raquo;</TD></TR><TR><TD CLASS="quote">No, the springs must have a 2.5" inner diameter...</TD></TR></TABLE>

so... would you say that they would work on any springs with a 2.5" inner diameter?
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Old Apr 15, 2005 | 03:48 PM
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Default Re: Ground Control Top hat on other springs? (Chris Sawatsky)

The GC upper mounts locate the springs via the inside diameter. Your OEM upper mounts locate the spring on the outer diameter. As long as the inner diameter of your spring matches that of a GC spring (2.5"), then it should fit perfectly...
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Old Apr 16, 2005 | 02:25 PM
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Default Re: Ground Control Top hat on other springs? (94eg!)

In addition to the 2.5 ID, the GC upper mounts are made for a flat ground spring tail and not an open and stepped tail. I would make sure that the spring you use will sit squarely on a flat surface.
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Old Apr 16, 2005 | 02:38 PM
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Default Re: Ground Control Top hat on other springs? (CRX Lee)

Yep, any spring that matches the hat diam. will work. FYI, if you want to play with spring rates to fine-tune your handling, some decent places to buy them are those NASCAR-type shops, or summit racing, might be cheaper than other places (Although off the top of my head, I can't confirm that they carry 2.5" I.D.'s.
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Old Apr 16, 2005 | 03:10 PM
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Default Re: Ground Control Top hat on other springs? (F.A.)

fwiw, i used my eibach sportlines with the gc upper strut mounts. nothing captures the spring to perfectly center it but taking care during assembly got it close enough. worked fine.

nate
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Old Apr 18, 2005 | 07:35 AM
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Default Re: Ground Control Top hat on other springs? (solo-x)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by CRX Lee &raquo;</TD></TR><TR><TD CLASS="quote">In addition to the 2.5 ID, the GC upper mounts are made for a flat ground spring tail and not an open and stepped tail. I would make sure that the spring you use will sit squarely on a flat surface.</TD></TR></TABLE>

That is a REALLY good point. I didn't think about that one before...
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Old Apr 18, 2005 | 07:36 AM
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Default Re: Ground Control Top hat on other springs? (94eg!)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 94eg! &raquo;</TD></TR><TR><TD CLASS="quote">

That is a REALLY good point. I didn't think about that one before... </TD></TR></TABLE>

the tops of the stock springs and aftermarket lowering springs should all be a flat ground spring tail on the top. tapered at the bottom.

nate
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Old Apr 18, 2005 | 01:36 PM
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Default Re: Ground Control Top hat on other springs? (solo-x)

I think the stock crx rears were not ground flat, although it's been a while since I've actually pulled them off the shelf to look. The lower part of all crx springs are stepped.

Ian
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Old Apr 18, 2005 | 10:40 PM
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Default Re: Ground Control Top hat on other springs? (cspcrx)

Would the Skunk2 Coilover springs work?
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Old Jul 22, 2005 | 01:25 PM
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Default Re: Ground Control Top hat on other springs? (PSUCRX)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by PSUCRX &raquo;</TD></TR><TR><TD CLASS="quote">Would the Skunk2 Coilover springs work?</TD></TR></TABLE>

Yes it work.. I did it on my car..
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