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Old 05-04-2012, 04:11 AM   #1
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I just bought a set of eibach springs from forum member my question is how do I tell the diff in front or rear. I noticed a pair is slightly higher than the other, I'm thinking those are the fronts but not sure. thanks
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Old 05-04-2012, 04:16 AM   #2
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They should be the same size. What's the numbering on the coils?
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2006 CTS-V - 422 RWHP/383 RWTQ/3795 lbs - Complete Mod List
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- KW Variant 3 with Swift 120/160 springs, Banski RSMs, Custom FK LSMs
- 5-lug 19x11/20x12" Forgestar F14s, KRC adjustable power steering
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Old 05-04-2012, 04:38 AM   #3
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Wouldn't the fronts be larger at the top like the stOck ones?
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Old 05-04-2012, 07:45 AM   #4
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The spring rate should be printed on each spring. the higher spring rates go on the rear
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Old 05-04-2012, 08:11 AM   #5
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Quote:
Originally Posted by CTSV_510 View Post
The spring rate should be printed on each spring. the higher spring rates go on the rear
Ah, I see what he's saying. He shouldn't have just said "higher," since these things come in different heights and spring rates. For instance, you can get an 8" tall 700 lb-ft spring, or a 10" tall 700 lb-ft spring.
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2006 CTS-V - 422 RWHP/383 RWTQ/3795 lbs - Complete Mod List
- G-Force 9" IRS with PST 3.75" carbon fiber driveshaft and 35 spline axles
- Strange Engineering S-Trac with Pro Iron case and 3.50 ratio
- KW Variant 3 with Swift 120/160 springs, Banski RSMs, Custom FK LSMs
- 5-lug 19x11/20x12" Forgestar F14s, KRC adjustable power steering
- RacingBrake 355/365mm 2pc rotors, ET800 pads, CTS-V2 calipers
- McLeod RXT, Custom McLeod 1373, Comp TRuTorq L3 cam
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Old 05-04-2012, 06:15 PM   #6
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one says 3878.002 the other says 3825.001. thanks
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Old 05-04-2012, 07:26 PM   #7
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Hmm...mine say 1000.250.0650 in the rear...and they are 650 spring rate. Here:

Click the image to open in full size.

I found this one on the web, they are the 600 rate:

Click the image to open in full size.
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Old 05-05-2012, 02:41 AM   #8
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Quote:
Originally Posted by GFallen View Post
I just bought a set of eibach springs from forum member my question is how do I tell the diff in front or rear. I noticed a pair is slightly higher

than the other, I'm thinking those are the fronts but not sure. thanks
Is this a COILOVER spring or a stock replacement spring?

V1 or V2?

I think eibach calls them Pro Kit?
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Old 05-05-2012, 05:55 AM   #9
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V1. stock spring replacement. My bad I should have stated that in orignal post.
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Old 05-05-2012, 05:55 AM
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