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YJ spring conversion

Discussion in 'Early CJ5 and CJ6 Tech' started by dvmbrad, Nov 15, 2013.

  1. Nov 15, 2013
    dvmbrad

    dvmbrad Member

    Frankfort, KY
    Joined:
    Oct 3, 2004
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    53
    I assume this has been covered before, but I couldn't find it in a thread search. What mods are required for an ECJ5 ('71) conversion to YJ springs? Anyone have photos of a conversion?
     
    dvmbrad, Nov 15, 2013
    #1
  2. Nov 15, 2013
    Jamco6000

    Jamco6000 Member

    Baton Rouge, LA
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    Apr 14, 2012
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    Jamco6000, Nov 15, 2013
    #2
  3. Nov 15, 2013
    Jamco6000

    Jamco6000 Member

    Baton Rouge, LA
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    Jamco6000, Nov 15, 2013
    #3
  4. Nov 15, 2013
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
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    Aug 10, 2003
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    Pretty sure we had a tech article about this back on the old site. Author was hudsonhawk? Send him a PM and ask about it.
     
    timgr, Nov 15, 2013
    #4
  5. Nov 15, 2013
    bkd

    bkd Moderator Supreme Staff Member 2022 Sponsor

    K-Town Tenn.
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    Apr 29, 2007
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    Springs are longer and wider than cj's. .........need new mounts on frame and need to move location of mounts to center in wheel opening........did this on my cj6 and not a job for the timid

    Sent from my SCH-I545 using Tapatalk
     
    bkd, Nov 15, 2013
    #5
  6. Nov 16, 2013
    colojeepguy

    colojeepguy Colorado Springs

    At the foot of...
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    colojeepguy, Nov 16, 2013
    #6
  7. Nov 16, 2013
    dvmbrad

    dvmbrad Member

    Frankfort, KY
    Joined:
    Oct 3, 2004
    Messages:
    53
    Thanks for the replies. I looked at the website; good write up and looks like a nice kit. I had decided to go with the BDS 2.5' lift spring kit (current springs are all broken). Another project may be sucking a lot of money and I thought a YJ conversion may save some money. Looks like about the same cost either way (with used YJ springs).

    This Jeep will be lighter trail stuff and on road. The BDS sprigs have gotten great reviews from other folks who have used them. If the YJ springs will give better handling may be a good choice

    Anyone have opinions about the BDS vs YJ conversion?
     
    dvmbrad, Nov 16, 2013
    #7
  8. Nov 16, 2013
    tarry99

    tarry99 Member

    Northern California
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    Oct 29, 2012
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    BKD........................and the results?
     
    tarry99, Nov 16, 2013
    #8
  9. Nov 16, 2013
    bkd

    bkd Moderator Supreme Staff Member 2022 Sponsor

    K-Town Tenn.
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    Great off road because it had a lot more travel......made the sway on road a challange..........ways to get around that....type shocks, custom sway bars , etc...........If I were building the 6 again I'd rethink much of what I did including the YJ springs

    Sent from my SCH-I545 using Tapatalk
     
    bkd, Nov 16, 2013
    #9
  10. Nov 16, 2013
    dvmbrad

    dvmbrad Member

    Frankfort, KY
    Joined:
    Oct 3, 2004
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    Very helpful guys. sounds like the BDS route will most be the way I will go.
     
    dvmbrad, Nov 16, 2013
    #10
  11. Nov 16, 2013
    Vhunter

    Vhunter Member

    Redding, California
    Joined:
    Jun 26, 2005
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    262
    Howdy, I went with the 3.5 springs, and I think they are to tall. Yes, I would go with the 2.5's, go spring under and use adjustable shocks to control roll on the street. Again, I would not go spring over, (your mileage may be different). Should be more double on a CJ5 as the frame is longer.
     
    Vhunter, Nov 16, 2013
    #11
  12. Nov 16, 2013
    scott milliner

    scott milliner Master Fabricator

    Seattle Wa.
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    Dec 17, 2002
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    2,362
    I'm buying the 3.5 sua kit. When I install it I'll post the out come.
     
    scott milliner, Nov 16, 2013
    #12
  13. Nov 21, 2013
    scott milliner

    scott milliner Master Fabricator

    Seattle Wa.
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    Dec 17, 2002
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    I ordered it Saturday. Still waiting. They haven't shipped it yet.
     
    scott milliner, Nov 21, 2013
    #13
  14. Nov 24, 2013
    fivos

    fivos Member

    Athens, Greece
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    Jun 27, 2003
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    fivos, Nov 24, 2013
    #14
  15. Nov 30, 2013
    scott milliner

    scott milliner Master Fabricator

    Seattle Wa.
    Joined:
    Dec 17, 2002
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    Takes forever to get my order filled from RockyRoad. It has been two weeks and the only parts I have received is the springs. Not happy.
     
    scott milliner, Nov 30, 2013
    #15
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