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Rear Spring Question

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by phantomgas, Feb 13, 2001.

  1. phantomgas

    phantomgas Registered Member

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    Iowa
    I have a 90 k5 with a tired rear end and sagging right rear springs. Will a 6 leaf set of springs from a 77 k5 be interchangable, or do I need to use the 5 leaf springs from the 83 that is donating the rear end. My preference would be the 6 leafs if they are compatable.

    Thanks!
     
  2. dyeager535

    dyeager535 1 ton status Premium Member

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    yes they will fit 4wd to 4wd, not 2wd to 4wd. If there is any question as to what they are off of, measure them eye to eye, and compare to ones on your truck. May want to lift the back of your truck if you need to measure yours. I think the difference was about 2"... 2wd/4wd, 52" to 54" or so. Someone here I'm sure knows for sure the eye to eye length of them. I'm real happy with my 3/6 spring combo. Compared to my '83's 2/5, the new ones don't let the vehicle lean nearly as easily.

    Dorian
    My K5 and Chev/Olds tech/links page: <A target="_blank" HREF=http://www.dorianyeager.com/index2.html>http://www.dorianyeager.com/index2.html</A>
     
  3. Stoopalini

    Stoopalini 1/2 ton status

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    Why would you want 6 over 5? It's always been my understanding that the fewer the leafs, the better the ride quality due to the springs ability to flex more with less leafs.

    Also, there are two types of springs that I know about. Ones with teflon spacers ('85+ I think?) and ones without ('84- I believe?).

    Here is a pic of the difference:
    [​IMG]

    the middle is an '84 and the other 2 are '90 --- all rear springs.

    Hope this helps you,

    Thomas.

    -- '84 K5 Blazer --
    <A target="_blank" HREF=http://Stoopalini.coloradok5.com>http://Stoopalini.coloradok5.com</A>
     
  4. Blazer_Boy

    Blazer_Boy 1/2 ton status

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    Cause then you can haul ass with the bring springs. Well actually I'm just a city boy and I put the six so when I'm hauling gear in the back I won't get the saggy, tired, rear.

    June 2001 - The Texas Sawz All masacre begins. Be afraid rust, be very afraid. [​IMG]
     
  5. dyeager535

    dyeager535 1 ton status Premium Member

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    Since my truck sees mainly street driving, and nothing like the offroad most guys on here see, the sway that the 2/5 packls impart is terrible for everyday driving. Its almost like a better sway bar front and rear. And since its MY only "truck" if I have to haul a motor with it or something, it will handle it a little better. Plus it gives it that nice bone-jarring ride everyone loves. "Painful? No, just firm!" heh.

    Dorian
    My K5 and Chev/Olds tech/links page: <A target="_blank" HREF=http://www.dorianyeager.com/index2.html>http://www.dorianyeager.com/index2.html</A>
     

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