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Need block for Deaver springs

Discussion in 'Suspension' started by XJBaylor, Oct 15, 2010.

  1. Oct 15, 2010 at 10:32 AM
    #1
    XJBaylor

    XJBaylor [OP] Well-Known Member

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    Keith
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    I have an 06 4x4 DC LB running King's up front and a 12 leaf Deaver pack in the rear. Currently, the rear sits about an inch low and I want to add a block, particularly one that is tapered to help correct driveline angles. Can you recommend a company to go to for the block and U-bolts (they will need to be substantially longer than the ones provided for use with stock springs.)

    Thanks.
     
  2. Oct 15, 2010 at 6:27 PM
    #2
    bajamoon

    bajamoon Well-Known Member

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    you don't want to add a block, do what was said above or have a shop rearch the leafs for more lift.
     
  3. Oct 15, 2010 at 6:35 PM
    #3
    Yoytoda

    Yoytoda The Little Truck That Could

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    Roland
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    Is the suspension modified for the deaver pack? Longer shackles won't lift on a stock setup.
     
  4. Oct 15, 2010 at 9:36 PM
    #4
    XJBaylor

    XJBaylor [OP] Well-Known Member

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    I won't be doing anything with the shackles, mine are stock and will stay that way. I wish that a shackle lift worked like it does on an XJ as that would help with the driveline angle issue.
     
  5. Oct 15, 2010 at 9:40 PM
    #5
    XJBaylor

    XJBaylor [OP] Well-Known Member

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    Is there a good reason for that? Besides a very minor increase in torque on the axle why do so many people on this board hate on blocks. a .75-1" block is not much different than the stock spring perch.

    What was said above that I should try? The shackle? That would lower then truck unless I flipped the shackle.
     
  6. Oct 15, 2010 at 9:42 PM
    #6
    Yoytoda

    Yoytoda The Little Truck That Could

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    i would like to do a shackle flip... makes for better clearance and articulation... also allows for extended shackles for lift...
     
  7. Oct 16, 2010 at 8:32 PM
    #7
    virgilus11

    virgilus11 Well-Known Member

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    Try to see if what Armortech sells - is good enough for you.

    I use 1" blocks from Toytec to raise the back to allow for bigger tires and raise it a little bit higher then the front. They come with longer U bolts.
    I did consider both options- AAL 1.5" or 1" block and theoretically the only difference, I found, between the two is that= the AAl will increase your load Capacity by a little and the blocks not.
    In my case I all ready had a set of Firestone air bags on top of the oem springs, therefore, no issues with load carrying capacity.
    Now we all know that axle wrap is more evident, the moment you push the axle away from the frame, by adding more springs or a block. Unless you have a torque arm that you can buy from Gadget I really don't think that I, we would see a big difference.
    Still, theoretically, I would like to see how and why the block would allow for more torque wrap then an AAL. They are (both) attached to the axle thru the same U bolts and central pin.
    At this time I am more tempted to believe that the blocks got a bad reputation from a bad installation and , or, the wrong or too big of a block.
     
  8. Oct 16, 2010 at 8:56 PM
    #8
    Leadgolem

    Leadgolem Well-Known Member

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    Blocks do not add any additional movement to the suspension to go along with the height increase. So they ride stiff. Adding a block also increases the degree of leverage when your springs are winding up from acceleration. So they increase the degree of axle wrap you get. Blocks are usually short. This makes it more likely that they will come loose and cause handling problems. Being short doesn't actually mean they will loosen, however most blocks are made of aluminum. It takes a lot less force to damage the aluminum blocks so they can slip then it does a steel aal.

    All that being said, as long as you inspect a block and check torque on your U-bolts as part of your regular maintenance, it's unlikely you will have a problem.

    I kinda doubt you will find a block that will help with the angles. If that's what your wanting to do then I would get axle shims.
     
  9. Oct 16, 2010 at 9:07 PM
    #9
    virgilus11

    virgilus11 Well-Known Member

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    That's a pretty good explanation. I will make sure that I check the torque on those bolts on a regular bases.
    Thank you.
     
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