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Are the softer springs (T.C. and BDS) worse for heavy load carrying?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by shum1, Dec 27, 2000.

  1. shum1

    shum1 1/2 ton status

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    I'm getting a 6" lift, I want the best highway manners for my kids at the same time I want to be able to load up the back of my burb with gear and tow the boat without the back end sagging like crazy. I just saw a new expedition w/ a 4" lift towing a couple snowmobiles and the thing was sagging like a stink-bug. I dont want that. Any suggestions on any particular model springs that might suit me? Thanks.
     
  2. MudFrog

    MudFrog 1/2 ton status

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    Not sure if it would work with the lift or not, but you could always get those air load levelers. The are a rubber pouch type thing, and when you tow something your turn on the compressor which fills them with air and keeps your rear from saggin. Not exactly sure what they are called I just know I've seen them for sale at my dad's warehouse. They supposedly work really well, and they are really tough.

    89 K5 Silverado
    <A target="_blank" HREF=http://mudfrog.coloradok5.com>http://mudfrog.coloradok5.com</A>
     
  3. Emmettology 101

    Emmettology 101 3/4 ton status

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    If the lift springs give you that nice ride you want but sag when you haul stuff, what about getting those bolt on helpers? Althgouh, these will stiffen the ride some..

    But wih a Burb, there is alot of weight over the rear axle empty so with most "normal" lift springs you should have a decent ride!

    Mike [​IMG]
    See <font color=green>EMMETT</font color=green> -&gt; <A target="_blank" HREF=http://emmett.coloradok5.com>http://emmett.coloradok5.com</A>
     
  4. undertow

    undertow Registered Member

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    plus you could also (in combination with whatever lift you choose) instal the rancho (rs9000) adjustable shocks. that way you can change the ride based on application: soft for street, medium for highway, and firm/stiff for towing/wheelin'



    &lt;img src="http://members.fortunecity.com/undertow420/undertow.gif"&gt;
     
  5. 90K5

    90K5 1/2 ton status

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    Tuff Country springs have the same spring rate as stock springs, so the capacity should be about the same. If you get tuff Country, If your getting a 3" lift, get 4" springs for the back so it will sit level.

    90K5

    See my truck at <A target="_blank" HREF=http://albums.photopoint.com/j/Albumindex?u=1329584&a=9886502>http://albums.photopoint.com/j/Albumindex?u=1329584&a=9886502</A>
     
  6. Toad

    Toad 1/2 ton status

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    Shum,

    Tuff Country also makes heavy duty springs. You may want to call them and ask them what is best. They are here in Utah.
     
  7. jarheadk5

    jarheadk5 1/2 ton status

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    If the trailer is loaded correctly (tongue weight equals about 10% of trailer gross weight), and the rear of the truck is still sagging, then you probably are over the truck's max gross weight. Not a great place to be, but as long as you're careful, and you're not too far over, it'll probably be OK. Those air helper springs are pretty good, I work with someone who has them on his Dodge pickup.

    [​IMG] Semper Maintenance!
     

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