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Broken Leaf Spring

Discussion in 'Intermediate CJ-5/6/7/8' started by Jeeper Creeper, Jul 6, 2007.

  1. Jul 6, 2007
    Jeeper Creeper

    Jeeper Creeper Member

    Markleeville CA
    Joined:
    Oct 21, 2003
    Messages:
    73
    I broke my rear leaf springs on my 74 CJ5 (stock)
    I found some stock replacement springs from JC Whitney's for $99 bucks. I also found some Rancho Performance Lift Leaf Springs with a 2.5 inch lift for $108 bucks. I was told by a local automotive repair shop that I could go up to a 3 inch lift before I had to start making any alterations. Can anyone give me any advice as to what they think....... should I go with a little lift as opposed to stock. I would like to put some 33's or 35's inch tires on in the future.
    thanks for any feedback.
    Dave
     
  2. Jul 6, 2007
    lynn

    lynn Time machine / Early CJ5 HR Rep Staff Member

    Huntingdon PA
    Joined:
    Sep 20, 2002
    Messages:
    3,437
    Agreed, generally 3" is the limit on suspension lift before other things need changed. (You "might" need some caster shims in the front, or need to lower the tcase 3/4")
    Go with a 2.5" lift, and maybe a 1" body lift or shackles 1" longer than stock, to run 33s. Check Bob Supplee for a BDS 2.5" lift kit: call him at 405-799-8977 for a price...
    You should have a 4" lift to run 35s. Other changes will be needed with a 4", like a dropped pitman arm or hi-steer, maybe a CV driveshaft, shims front and rear.

    Be sure to install longer bumpstops at each corner to prevent fender munching.
     
    Last edited: Jul 6, 2007
  3. Jul 6, 2007
    pathkiller

    pathkiller Member

    Lorton, VA
    Joined:
    Apr 17, 2005
    Messages:
    878
    Wow, you ain't kiddin. You seriously broke those leaves. I've never seen the whole pack break like that.

    It doesn't take much to run 33"s, I ran them on stock springs for awhile and had minor rubbing. Even "stock" replacement springs will give you some lift over what you've got considering 33 years of sag have dropped your height somewhat.
     
  4. Jul 6, 2007
    High5

    High5 Member

    Urbandale, IA
    Joined:
    Jan 13, 2005
    Messages:
    802
    I went 2.5 inch lift and about a inch body lift. I run 33's. I did need to drop the t case, and fix caster.

    High5
     
  5. Jul 6, 2007
    Fat Va. Boy

    Fat Va. Boy New Member

    Crimora, VA.
    Joined:
    Feb 18, 2007
    Messages:
    20
    Longer brake lines may be needed, even with the 2.5 inch lift.
     
  6. Jul 6, 2007
    Jeeper Creeper

    Jeeper Creeper Member

    Markleeville CA
    Joined:
    Oct 21, 2003
    Messages:
    73
    Thanks for all the feed back, very helpful. Has anyone tried the BDS springs, are they better then the Rancho Performance Lift Leaf Springs? Just curious has to why one might be better then the other.
    again thanks for the feedback,
    Dave
     
  7. Jul 6, 2007
    packrat2A

    packrat2A Member

    McAlester, OK
    Joined:
    Oct 23, 2004
    Messages:
    212
    I have a 4" SkyJacker SoftRide suspension, 2 inch shackle lift and shackle reversal, and I still had to cut all 4 fenderwells out to keep the rubbing to a minimum. I still rub the inners on the front when doing deep flexing. I doubt a 4" lift alone will clear 35's.

    BTW, I did have to install longer brake lines, I went with steel braided, custom made at my local hydraulics supply shop.
     
  8. Jul 6, 2007
    cookieman

    cookieman Member

    Colton,Calif
    Joined:
    Jan 31, 2005
    Messages:
    302
    I used the rancho 2.5 inch they have the best ride. Make sure you get the right length,I got the rancho with 39 3/4 inch in the front because the 72 to 75 use the longer ones. i had 36" that PO has put on and had a ride like a tank.
     
  9. Jul 7, 2007
    maleko

    maleko New Member

    Gig Harbor, WA
    Joined:
    Mar 28, 2005
    Messages:
    45
    I run the Skyjacker 4" lift also, and even with fender trimming I can tear up a 33" tire pretty good. Ride on these may be just a little TOO soft.
     
  10. Jul 7, 2007
    Strider380

    Strider380 Can I have a zip tie?

    New England
    Joined:
    Jan 12, 2006
    Messages:
    1,117
    wow, how'd you do that?
     
  11. Jul 8, 2007
    JackJ.

    JackJ. Truck spends jeep money

    Pt. Mugu...
    Joined:
    May 31, 2007
    Messages:
    175
    A little de-rail here, My leaf springs are geting a bit worn, to prevent changing theam all out can I just flip them, ya know, to save money.
     
  12. Jul 8, 2007
    Jeeper Creeper

    Jeeper Creeper Member

    Markleeville CA
    Joined:
    Oct 21, 2003
    Messages:
    73
    I believe they just broke.. gave out.. got tweaked over the years of use. I took it down a road that I've taken it to for over twenty years. The road could be rated a 4 out of 5 for difficulty but some might rate it less. I didn't get air born I was just creeping along when they decided to snap. Stock springs and being 33 years old just was too much. So now I'll start with some new ones and they will probably out last me.....lol.
    Dave
     
  13. Jul 8, 2007
    mb82

    mb82 I feel great!

    Charlottesville Va
    Joined:
    Mar 17, 2003
    Messages:
    2,706
    It looks like the second leaf from the bottom has been cracked for at least long enough to rust.
     
  14. Jul 8, 2007
    Jeeper Creeper

    Jeeper Creeper Member

    Markleeville CA
    Joined:
    Oct 21, 2003
    Messages:
    73
    yup I noticed that! Weird that would happen.
     
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