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Help me decide what coils to run with 4 linked rear...

Discussion in 'The Garage' started by Zeus33rd, Dec 20, 2005.

  1. Zeus33rd

    Zeus33rd Smarter than you GMOTM Winner

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    Is there a "proper" way to figure out what coils I need for my 4 linked rear? Do I need to weight the thing, then make a decision based on spring rates? Or can I just get some TJ coils in whatever length I need? No coilovers for now....or atleast not till I hit the lottery. :eek1:

    I'd like to see some pictures of 4 link set-ups on K5/K10 frames....Anyone?
     
  2. DEMON44

    DEMON44 Low-Tech Redneck

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    It's not a K5 but, I've got 5.5" lift Rubicon Express TJ front coils in the rear 3 link of my pickup. It's sits really high, well over a foot lift anyways. I'd have gone with a 4" if I were getting new ones. Friggin soft though.

    I know a guy near here, has 4" lift Procomp Ford bronco coils in his rear 3 link. They're obviously heavier rate but he likes them and still flexes like crazy. He runs rocks mostly.
     
  3. Zeus33rd

    Zeus33rd Smarter than you GMOTM Winner

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    Do you have any pictures?
     
  4. DEMON44

    DEMON44 Low-Tech Redneck

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    Of mine I do, but not my buddies. I'll dig some up.
     
  5. supersize75k5

    supersize75k5 OrganDonorRacing.com

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    what about bgreen on pirate?

    he did coils like that in the back before coil overs
     
  6. DEMON44

    DEMON44 Low-Tech Redneck

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    Heres a few of it just completed. I still have to add tubework to the rear, and I'm hopeing it will sit down further with the added weight.


    [​IMG]

    [​IMG]

    [​IMG]
     
  7. Zeus33rd

    Zeus33rd Smarter than you GMOTM Winner

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    Daaamn...Those are some looong coils. :eek1:

    My truck is only lifted 4-5" over stock...Want to keep it that way. Hopefully I can find some coils that aren't quite as tall as that. Thanks for the pictures....More food for thought. :wink1:

    [​IMG]
     
  8. DEMON44

    DEMON44 Low-Tech Redneck

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    It wasn't supposed to sit that high in "engineering". I will likely knock it down with shorter coils. But cutting 3' of frame off the tail was an after thought too that didn't help.

    Yours looks plenty heavy though, might be more balanced.
     
  9. Dallin

    Dallin 1/2 ton status

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    Stock coils from the front of a late 90's ZJ with a VA will be shorter and stiffer than the 5.5" lift TJ coils. I used a set in the front of an XJ to get a couple inches of lift.
     
  10. sled_dog

    sled_dog 1 ton status

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    Yeah not sure I'd bet on that. My V8 ZJs are SO soft. If I stand on the driver side door sill of my S10 it leans about 2" to that side. SOFT... I can't yet say, but I'm thinking they are too soft.
     
  11. seschev3

    seschev3 1/2 ton status

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    There was a blazer years ago that used 67-72 2wd front coils in the rear (if I am recalling correctly) that flexed like crazy. It was in the mags.
     
  12. ntsqd

    ntsqd 1/2 ton status

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    If it were me I'd set up to use coil-over springs, even if no coil-over dampers. They're not the least spendy option, but they come in a HUGE range of rates and most vendors will exchange them for a different rate if you have mounted but not used them.
    Alternately, look into the coils sold to circle track racers. Again a large range of rates, and not too spendy.
     

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