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  1. #1

    Default can you swap 1500 springs for 2500 or 3500 springs?

    whats up, new to the site. i have a 2000 silverado 1500 and i want to beef the rear suspension up, would anyone know if you can put the leaf springs from a 2500 or 3500 into the suspenison?
    Last edited by silvertruck; 04-19-2009 at 09:29 PM.

  2. #2
    Jr. Mechanic GOTSAND4ME2's Avatar
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    Default

    Hi there, I have the same truck as you and was wondering the same thing. I do a lot of towing with my truck and the rear is starting to sag. Let me know what you find out!!
    Brian
    Nor-Cal

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  3. #3

    Default

    have you found anything on this swap?

  4. #4
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    Default

    I run a 91 2500 so I dont really know, but i did find this in these forums http://www.gmtruckclub.com/forum/showthread.php?t=40072

    So check out this, its about a 2005 but may be a little helpful to you.
    1991 Chevy K2500 4x4 Light duty (350 and 6 lug ><) still basic.

    Previously
    1988 Chevy 1500 Suburban 3" lift 35" tires basic

  5. #5
    Sr. Mechanic
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    Default

    just make sure the length is the same. it may cause your truck to site a little higher in the rear if the spring pack has more springs. I am not sure for newer truck but on older trucks when you purchase a new lift the springs are the same with the changes coming in the size of the ubolts do the the thickness of the axle tubes. Make sure to measure the from eye to eye!

  6. #6
    Master Mechanic bigdaddy77084's Avatar
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    I would just get a spring helper kit (add a spring)..
    And its not just your springs, your axles wont take the extra load like a 3/4 ton or 1 ton..
    I hauled many loads of firewood back in Michigan,Axles do break.. My .02 ....
    Last edited by bigdaddy77084; 05-12-2010 at 12:44 AM.
    95 tahoe 2dr 4x4 200,000+ miles

  7. #7
    Sr. Mechanic
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    Default

    good point, sorry i did not mention



    91 Suburban

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    (Coming up - Fuel Injected 383 Stroker - Divorced NP205 - D60 - 40" tires)

  8. #8

    Default

    Yes, you can, my cousin has a 2001 with 3/4 ton leaf springs in it. To be sure, measure how wide your leafs are, and how wide 3/4 tons are, they should be the same, the only difference is the thickness of the metal used for the leafs, and how many leafs are used.
    Last edited by ippielb; 05-11-2010 at 11:00 PM.
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  9. #9

    Default

    Quote Originally Posted by ippielb View Post
    Yes, you can, my cousin has a 2001 with 3/4 ton leaf springs in it. To be sure, measure how wide your leafs are, and how wide 3/4 tons are, they should be the same, the only difference is the thickness of the metal used for the leafs, and how many leafs are used.
    did your cousin use the same exact truck, like RCSB, RCLB, ECSB, ECLb etc.. same year, 4x4/2x4. also what did this do to the ride height and ride quality of the truck? what about the front did he change the torsion bars, coils, CA's etc

  10. #10
    Sr. Engineer ahm1127's Avatar
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    Default

    Measure the width on yours & a 2500, the length from mounting points (make sure you measure the same, if yours is sitting with nothing it make sure the other is to!), you can get a longer shackle if you want it to sit lower in the rear or get a leveling kit for the front.
    I did it on a Ford F150 & had no problems, just measured twice before I started.
    Everyday I wake up is a great day! ;-)
    05' Chevy Suburban, 11' Ford Fiesta

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