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Can I use my stock UCA’s for a 3” lift?

Discussion in 'Lifted Supension - Z71 & 4x4' started by CAMASO, Jul 28, 2020.

  1. CAMASO

    CAMASO TYF Newbie

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    Hello everyone, I’m new to the forum and was looking for some advice. Without success, I’ve also tried to find the answer on my own by searching the forum on my own. I own a 2014 GMC Yukon SLT, RWD, and have already purchased Rancho Quick Lifts along with 1 inch spacers for a 3 inch lift. I have also purchased extended Rancho shocks and coil spring spacers for the rear (to match the front). Question is, do I absolutely need to replace the stock upper control arms? I am unable to find a firm answer either way. Thanks again!
     
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  2. Dustin Jackson

    Dustin Jackson Full Access Member

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    @CAMASO I would also like to know this, from what I gather 3 inches is fully stressing the upper balljoint so you won't get full up and down suspension travel when driving down the road. At 3 inches rough country makes an upper control arm that is angled better to relieve the stress and help the suspension travel better. I look forward to what others have to say about this matter, my ball joints will need to be replaced soon and I am wondering if I should bite the bullet and get the lifted upper control arms and lift my tahoe a few inches in the process or if I should just stay with stock parts.
     
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  3. CAMASO

    CAMASO TYF Newbie

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    @Dustin Jackson I spoke to a Tech Rep at RealTruck.com who advised that 3” is the absolute maximum on stock UCA’s. In my case, I’ll probably be even better off since I’ll be installing Quick Lifts along with a 1” spacer. Apparently, from what I was told the Quick Lift is not a full 2” lift. So in the end I’ll be below the 3” maximum.
     
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  4. CAMASO

    CAMASO TYF Newbie

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    Just received my QuickLifts today. However, there appears to be some damage to the lower strut mount. The rubber appears to be protruding from the mount. Is this critical? Thanks! CBD703C7-9C95-4C15-B2DA-E0A922C23DD1.jpeg
     
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  5. Dustin Jackson

    Dustin Jackson Full Access Member

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    @CAMASO The finish on that thing does not look good, almost like it was used?
     
  6. CAMASO

    CAMASO TYF Newbie

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    @Dustin Jackson, it doesn’t appear to have been used. But I did notice the left side of the lower strut mount was protruding from the housing. And the package it was shipped in was damaged. Most likely from the weight of the strut, since it was free floating in a very flimsy cardboard box. Smh..
     
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  7. Tozan

    Tozan Overlander

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    It should be fine.
    So far as a new control arm I would replace it with one made for a mild lift.
     

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