[20v] Eibach Spring Install Question

Todd Phenneger tquattroguy at yahoo.com
Wed May 21 12:38:43 PDT 2008


OK,
I think I've answered my own Question.   The CQ is different from the 4kq.
Its Progressive in the rear and Linear in the front just like  www.20v.org
says.   I got confused because apparently the 4kq is different.

If you are curious I also noticed that the rear spring is the same as on the
ur-q.
Specs are below.
 

83¹ Turbo Quattro Coupe
Eibach Progressive Springs, Pro- Kit #1511.140
* Specifically for the '83-'87 Turbo Coupe Quattro (per the box).
* Part numbers 
> * 1511.001 (front)
>> * Free Length:         315mm +/- 15mm
>> * Wire Diameter:         13.208mm
> * 1511.002 (rear).                  (Same as 90¹ CQ)
>> * Free Length:         296mm  +/- 15mm
>> * Wire Diameter:    11.792mm


1990 Coupe Quattro
Eibach Progressive Springs, Pro- Kit #1511.140
 
* Part numbers 
> * 1510.001 (front)
>> * Linear Rate 
>> * Free Length:  
>> * Wire Diameter:
> * 1511.002 (rear)         (Same As UrQ)
>> * Progressive Rate
>> * Free Length:         296mm  +/- 15mm
>> * Wire Diameter:    11.792mm
 




> From: Todd Phenneger <tquattroguy at yahoo.com>
> Date: Wed, 21 May 2008 11:10:19 -0700
> To: 20v list <20v at audifans.com>, urq list <urq at audifans.com>
> Conversation: Eibach Spring Install Question
> Subject: [20v] Eibach Spring Install Question
> 
> Hi,
> I've just recently gotten some Eibach Springs for my 1991' CQ.  I'm not sure
> which one goes where.  There is a pair that's progressive and a pair that's
> linear.  The progressive springs seem softer initially just putting my
> weight on them.  Does anyone know which ones go in front?
> 
> I found an Old Audifans post that stated for a 4kq: " For what it is worth
> fronts are progressive at 110 to 140 lb./inch and rears are linear at 140
> lb."
> 
> I would guess that the arrangement is the same but I want to be sure.
> 
> Also, does anyone know the Spring Rates for the CQ Springs?  On inspection
> they have the same number of coils on the Linear Set as the CQ Rears do, but
> the CQ Stock Rears have a larger Wire-Diameter.  They also feel stiffer
> which I found odd for a peformance spring.  I would have thought the Eibach
> was stiffer.
> 
> Thanks
> 
> 
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