Rough Country 7.5 lift Problems

Discussion in 'Lifted Supension - Z71 & 4x4' started by 81malibu350, Jul 5, 2018.

  1. 81malibu350

    81malibu350 TYF Newbie

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    Mike Barabash
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    Hi Everybody! I have a question about my lifted 07 Avalanche It has a 7.5 Rough Country lift.. My problem is that the rear of the truck feels real loose/Sway and like it wants to turn before the front of the truck does. It's scary driving on the parkway. the R/C lift i went with i added R/C front struts and Rancho rear shocks i also added 2 inch wheel spacers for the rear and a helwig rear adjustable rear sway bar. I have called R/C twice and they have no clue of what it is. i am almost at the point on bringing it back down to stock ride height..

    I love the way the Avalanche looks but feels very dangerous at highway speeds. Any help would be Appreciated..

    07Sice2 (1).jpg 07Side1.jpg
     
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  2. drakon543

    drakon543 Full Access Member

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    rough country sells some pretty sturdy lift kits however thier general lower price tag is also a fault. the kit doesnt always position parts for the best angles for a smooth controlled ride. your best bet is to find a local 4wd shop that does this work and ask them what extra kit you need to get what you want.
     
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  3. Matt_

    Matt_ Full Access Member

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    Is the sway bar setup correctly? And have any pics of the rear suspension?

    Also jump on the back bumper to make sure you didn't get bad shocks.
     
  4. 81malibu350

    81malibu350 TYF Newbie

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    The Lift has been on the truck since March 2018. everything has settled by now
    Thanks
     
  5. drakon543

    drakon543 Full Access Member

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    ive run rough country myself a few times and usually have the same bugs to work out after everything is settled. bump steer or harsh ride or a floating feeling. definitely check your sway bar and recheck your unbolts in the rear. take a look at your rear sway bar vs what a stock one looks like. if the angle is visibly different that might need corrected.
     
  6. 01Konvict

    01Konvict Boats n Hoes

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    Get pro comp rear drop brackets so the trailing arms are level and not maxed out. Also centers the axle in the fender instead of swinging forward as it currently sits. Otherwise you’ve done the right steps. Maybe stiffer springs or adjustable dampening shocks
     
    Last edited: Jul 10, 2018 at 1:36 PM
  7. nadthomas

    nadthomas Member

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    Also, if the wheel/tire setup is new then check your tire pressure as well. With bigger tires you will often times want to run slightly lower pressure. It does look great though.
     
  8. 81malibu350

    81malibu350 TYF Newbie

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    Thanks 01Konvict

    I ordered the Pro Comp Rear bracket should have them Thursday. I have my fingers crossed that it fixes my problem..
     
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  9. 01Konvict

    01Konvict Boats n Hoes

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    Good deal! Last guy with same kit did it and said it improved the feel vastly. Really hope it turns out the same for you. Only other option I would try after that is z71 spring swap and 5160s.
     
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  10. 81malibu350

    81malibu350 TYF Newbie

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    I hope so too!!!! I think if this does not help my problem i'll be bringing back to stock height!!
     

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