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56" Leaf spring swap

Discussion in 'The Garage' started by HillJackCustoms, Aug 29, 2005.

  1. HillJackCustoms

    HillJackCustoms Registered Member

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    What needs to be done to have the 56" rear leaf springs? What will the 56" give me lift wise... Thanks... Project Radio flyer is on rise..
     
  2. muddyblzr

    muddyblzr 1/2 ton status

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    i hate to be the bearer of bad new but search man. this is easily one of the favoriate and most done swaps in this forum.


    all you really need is a shackle flip though.
     
  3. sandawgk5

    sandawgk5 3/4 ton status

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    56 is just like a 52 as far as lift is concerned with the exception of any negligable lift from the spring stiffness. If you put them in the front you will get about 4 inches. I also think the 56s will move the center pin to a different location than the 52s.

    Ira
     
  4. HillJackCustoms

    HillJackCustoms Registered Member

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    i have searched peeps say they do it but they don't say how.. I was just curious... I will just keep looking i guess... Hopefully someone can lead me in the right way... I wanna put them in the rear....
     
  5. alf4444

    alf4444 1/2 ton status

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  6. HillJackCustoms

    HillJackCustoms Registered Member

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    Thanks.. Keep the info coming... Where are the 56" rear leafs found??
     
  7. alf4444

    alf4444 1/2 ton status

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    mine were out of an 80's 3/4 chevy
     
  8. perp

    perp 1/2 ton status

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    56" are from the rear of all one tons (73-87) and a few 3/4 tons and many suburbans (1/2 and 3/4 tons). just measure the entire length of the springs main leaf, not just eye to eye if you are looking in a junk yard. for new lift springs, tell them you want rears for a 78 one ton, that is what i did (4" lift superlifts). if you install them in standard position you only need to change the rear mount (move it back). if you install them backwards (moving the axle back 4") you will need to extend the driveline as well as cut and rotate the perches, maybe relocate the shock mounts in addition to moving the rear mounts back. and cut sheet metal from rear quater. all in all a pretty easy swap.
     
  9. MTMike

    MTMike 1/2 ton status

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    In his defense, the search doesn't work for phrases like 52, 52", 56, etc

    Using stock 56 rears simply in place of stock 52" will gain you nothing but a slightly smoother ride, and you'd have to relocate your stock rear spring hanger. Your best bet is to use them with a shackle flip kit like ORD's or DIY4X, and install the flip kit backwards (run the right side bracket on the left side and vise-versa) to accomodate the longer springs. This will net you between 4 and 5" of lift depending on the shackle length you use, and give you awesome flexibility and a smooth ride.

    Mike
     
  10. perp

    perp 1/2 ton status

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    X2!
     

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