2011 Gt Installed S&r Springs And Having Horrible Sound With Rearend

Discussion in '2005 - 2014 S-197 Mustang -General/Talk-' started by poisonova, Sep 21, 2013.


  1. poisonova

    poisonova New Member

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    Ok basically I was wondering if anyone had any problems with these springs, http://www.americanmuscle.com/sr-springs-0513gt.html.

    The fronts went on no problem, and so did the rears but now while riding around, when I hit a big bump or go over a speed bump, I hear this god awful smacking, like its bottoming out. Its not that low, its only on a 1.5 inch drop.

    My question is, has anyone else had this problem? I shouldn't need aftermarket shocks I've been told, and there was nothing else needed for the install for them to fit on 2011+ mustangs, despite what the website says about the strut mounts and dampers . Any help would be greatly appreciated. Ill put up pic later!
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  2. poisonova

    poisonova New Member

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    [​IMG]
    [​IMG]
    [​IMG]

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  3. ximportdriver

    ximportdriver Active Member

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    Looks like it is rubbing on the left.

    2ymute2u.jpg

    I also noticed you don't have an adjustable panhard bar. You should probably install one, re-align to center, and then continue troubleshooting if the issue still persists.
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  4. 95BlueStallion

    95BlueStallion Well-Known Member

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    Adjustable PHB, and trim a half inch off your rubber bumpstops. Mine is on K Springs (similar drop), and I have no issues. My old '95 bottomed out on the bumpstops, so that made me think to trim the stock ones when I lowered my '11. I just cut off that whole mushroom top if you will.
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  5. poisonova

    poisonova New Member

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    I've just been told somewhere else it's the bump stops as well, the are only about an inch from the frame so it's probably why they are smacking it during a hard bump.

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  6. poisonova

    poisonova New Member

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    Thanks man, I'll do that. sadly the instructions never even mentioned it nor did American muscle.

    what exactly does the panhard bar do? just reduce flex?
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    Last edited: Sep 21, 2013
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  7. ximportdriver

    ximportdriver Active Member

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    It aligns the chassis back to center. It may be irrelevant for your issue in your original post, but you don't want the rear off-center.

    Check your wheel well gap on left and right rear using a plum and ruler; if they don't match, you are off center, and it is common when lowering these three link S197 rigs.
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  8. poisonova

    poisonova New Member

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    good info, probably will help a lot since I take it to the strip often.

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