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K5 springs same as 3/4 Ton Suburban?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by chvyhs, Nov 22, 2001.

  1. chvyhs

    chvyhs 1/2 ton status

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    Will my old K5 2.5" lift springs fit my 3/4 ton suburban? It's a 77K5 and a 90 Suburban. I also need to if Dana 44 and 10 bolt steeering arms are the same. Thanks(giving).
     
  2. thatK30guy

    thatK30guy 1 ton status Premium Member

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    Yeah, the front springs will work fine.

    The rear springs on the '77 will be shorter than the '90.

    Also, the steering arms are the same, too.


    I'm not picking my nose...I'm just pointing at my brain!! [​IMG]

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  3. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    Front springs will fit. spring rate may be an issue may be a savior. Burb has a 1000 lb on a K5. If those springs were stiff in the k5 they may be fine for for the burb and ride good. I think the Burb runs longer springs in the back.

    Women dig dents and flat paint!
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  4. wayne

    wayne 3/4 ton status

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    Front springs will fit but you might need to change the front bushing and sleeve like I had to do on my 89 K5 and my springs came out of a 78. Shackel bolts are the same it is just the front bolt.

    See <a target="_blank" href=http://coloradok5.com/gallery/Waynes-Toy>Project Mighty Mouse</a> here.
    <font color=blue>Wayne<font color=blue>
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  5. chvyhs

    chvyhs 1/2 ton status

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    THANKS. That's the info I wanted to hear. I just picked up the Sub yesterday and it just doesn't look right. I've had those springs taking up space for about a year now. I couldn't even give them away. I hope to put 4" or 6" of lift later with 35's.
     
  6. thatK30guy

    thatK30guy 1 ton status Premium Member

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    Wayne, while I have never had any GM truck newer than '87, what is the big difference on the front spring bolts? I keep reading about a difference from the older ones. Help me out here.


    I'm not picking my nose...I'm just pointing at my brain!! [​IMG]

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