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what is the diff in the Pro-Kit vs. Sportline

This is a discussion on what is the diff in the Pro-Kit vs. Sportline within the Suspension and Handling forums, part of the General Help category; what is the diff in the Pro-Kit vs. Sportline both from Eibach? im lookin to drop my car and i ...

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    Trans Am for life baby SexyTransAm's Avatar
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    Exclamation what is the diff in the Pro-Kit vs. Sportline

    what is the diff in the Pro-Kit vs. Sportline both from Eibach? im lookin to drop my car and i can fig out the diff. so tell me plz.


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    Slow'er'Ass Mr. Luos's Avatar
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    ProKit is a little more aggressive of a spring rate, but the Sportline will drop you about a quarter inch more.
    If I recall correctly.

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    Trans Am for life baby SexyTransAm's Avatar
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    Crazy Canuck ! Eugenio_SS's Avatar
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    several differences:

    1st: drop.
    Prokits will give you a close to perfect drop. ~1.25"-1.5" more or less.
    Sportlines will drop more that that.

    2nd spring rates.
    fronts:
    Prokits are linear, Sportlines are progressive.
    Prokit: Front: 400lbs/in and Rear : 80-137lbs/in
    Sportlines: Front: 314-589lbs/in and Rear : 51-143lbs/in

    a few things to notice.
    A, progressive vs linear... if you want both confort + handling, linear is the way to go so you can chose a shock that dampens the given spring rate.
    Prokits wins in this point.

    B, sportline offers very limited suspension travel compared to prokits, and the spring is softer, which basically gives you 2 choices, try to damp it, and bottom out vs overdamp, kill shocks and harsh ride... regardless on the choice, you'll get a harsh ride, without proper damping characteristics on the sportlines... they were badly designed and they shot themselves on the foot on this one.
    Prokit wins on this point.

    C, amount of progressivness.
    you'll notice that the rear are both progressive, yet the range is not as dramatical on the prokits... so prokits will yield better hadnling,confort provided you put a shock that will work in that range. Not only that, sportlines in rear are riding on the bumpstops (bad for handling and confort)

    Hope this helps.
    btw, the color of the springs is different too... lol
    Eugenio_SS
    almost stock triple-black 2000 SS convertible with 17x11s on all 4 w/ 315s at the track or on the street with 18x10.5s on all 4 w/ 315s: (1), (2)

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    Trans Am for life baby SexyTransAm's Avatar
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    that helps alot man thanks!!!!!

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    Its the Hotwad StylesMcKnob's Avatar
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    How long does it take for the springs to wear out?

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    Detailing + Design third_shift|studios's Avatar
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    Prokit; you scrape your headers and Y everyonce n' a while.

    Sportline; you get "beached" on small bumps in the road and need a tow truck to be pulled out.

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    Rodzilla Tha Cavity Filla zero_proto's Avatar
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    teal
    99 Z28 with an SS complex

    i went with hotchkis after running the prokit, the car handles way better and offers a better ride, but i guess that also has to do with ths koni sa's.

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