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Eibach Spring free length

This is a discussion on Eibach Spring free length within the Suspension and Handling forums, part of the General Help category; Anyone know what the SLP Eibach ultra performance suspension option springs free lengths are. My fronts' are 16 1/2 " ...

  1. #1
    Junior Member hitempguy's Avatar
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    Triple Black M6
    2002 Camaro SS "Vert"

    Eibach Spring free length

    Anyone know what the SLP Eibach ultra performance suspension option springs free lengths are. My fronts' are 16 1/2 " and rears are 14 3/4, fronts seem long......
    Pro kit length is 12.5 front and 13.25 rear,
    Spring rates are similar for the SLP and the pro kit

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    Member Blue28's Avatar
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    Navy Blue
    1999 Camaro Z28

    The SLP spring are a progressive rate spring, and the LS1 pro-kits a linear rate that's why there's a free length difference.

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    Junior Member hitempguy's Avatar
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    Triple Black M6
    2002 Camaro SS "Vert"

    OK, but 4"???. For comparison, the Sportlines are 314-589 front and 12 1/4" free length. I know they lower the car a bit more as well.
    My car has been higher in front than stock with this SLP factory kit. Could SLP have made an oopsie and put on the wrong springs?

  4. #4
    Member Blue28's Avatar
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    Navy Blue
    1999 Camaro Z28

    Quote Originally Posted by hitempguy View Post
    OK, but 4"???. For comparison, the Sportlines are 314-589 front and 12 1/4" free length. I know they lower the car a bit more as well.
    My car has been higher in front than stock with this SLP factory kit. Could SLP have made an oopsie and put on the wrong springs?
    FYI, sportline springs are linear in rate, not progressive rate, and the spring rates are 360lb.in. up front.
    The problem with the SLP springs sitting high in the front is a common problem, that why you can usually find a set for sale.

  5. #5
    Junior Member hitempguy's Avatar
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    Triple Black M6
    2002 Camaro SS "Vert"

    The Eibach tech gave me these rates for an '02 Coupe....
    Sportlines :Front 314-589 free length 12.25", Rear 51-206 free length 14.3"
    Pro Kit :Front 400 free length 12.5" , Rear 80 -137 free length 13.9"
    These rates are from SLP
    SLP 70009 :Front 285-493 Rear 85-192 no free length available

  6. #6
    Member Blue28's Avatar
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    Navy Blue
    1999 Camaro Z28

    Cool

    I wasn't aware that Eibach redesigned the sportlines springs.

    FYI, I just called there tech line also, and got the same specs..

    So I see we have a different Eibach Sportline kit for the LT1, and LS1; I never knew that!

    LS1 Sportline: Pt# 4.7038, 1.6" front & 1.4" rear drop, 314-589 lb.in. front & 51- 206 lb.in. rear .

    LT1 Sportline: Pt# 4.3138, 1.6" front & 1.4" rear drop, 360 lb.in. front & 80-137 lb.in. rear .
    Last edited by Blue28; 03-25-2010 at 04:27 PM.

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