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Bump stops!

Discussion in 'Early CJ5 and CJ6 Tech' started by Mcruff, Apr 4, 2005.

  1. Apr 4, 2005
    Mcruff

    Mcruff Earlycj5 Machinist

    Albertville, AL
    Joined:
    Sep 22, 2002
    Messages:
    5,349
    While I have my body still off and putting my Jeep back together and everything is still clean, what have you guys done for bump stops or extensions for them. I have had rancho 2 1/2" lift springs on my jeep from a PO for more than 14 years now, the originals are still in place above the axle tubes, Rancho and most companies actually call for extensions or longer bumpstops, what have you guys done for this or made to use and how long are they? I also don't have the little snubbers that go behind the front axle tube and in front of the rear spring mount.
     
    Mcruff, Apr 4, 2005
    #1
  2. Apr 4, 2005
    Ghetto Fab.

    Ghetto Fab. Member

    Atascadero, Ca.
    Joined:
    Jan 13, 2005
    Messages:
    512
    I simply used the extensions that came with the rancho lift parts kit. They dropped them down an inch or so. You can buy all sorts of aftermarket bumpstops. If you have your original bumpstops you can simply build extensions out of some 2" tube and some 3/16"x2" bar stock.

    If you use the rancho extensions I would recommend addind a tube to support the middle of it where the axle hits. Mine crushed down while I was wheeling I had to bend them back. Here is a pic with support installed.

    [​IMG]

    Hope that helps,
    Kevo
     
    Ghetto Fab., Apr 4, 2005
    #2
  3. Apr 5, 2005
    lynn

    lynn Time machine / Early CJ5 HR Rep Staff Member

    Huntingdon PA
    Joined:
    Sep 20, 2002
    Messages:
    3,437
    I bought and installed the Rancho red poly bumpstops on the extended bracket. I got the ones 2" longer than stock. Been running them since '97. With my 33x12.50s and D30 ront, the only rubbing I ever get is the normar inside of the rear tire on the wheelhouse. None up front, no matter how stuffed or crossed up.
     
    lynn, Apr 5, 2005
    #3
  4. Apr 5, 2005
    Mudweiserjeep

    Mudweiserjeep JEEP: Bouncy and Fun

    tipp city, ohio
    Joined:
    Jun 17, 2004
    Messages:
    718
    Here's a really dumb question. :oops:

    What is the main purpose of bump stops?
    Is it to keep tires from rubbing?
    Is it to protect the springs from flexing to far?
    Something else?
    Just wondering.
     
    Mudweiserjeep, Apr 5, 2005
    #4
  5. Apr 5, 2005
    AKCJ

    AKCJ Active Member

    Fairbanks, Alaska
    Joined:
    Aug 12, 2003
    Messages:
    1,036
    I think one good reason for bump stops is to prevent damage. If you compress the suspension too far all kinds of bad things could happen - depending on your setup.

    The front drive shaft can hit the starter, shocks could break, tires can hit fenders, etc.. I'm sure others can think of more.

    Now I'm starting to think about getting some bump stop extensions for my rig. . . .
     
    AKCJ, Apr 5, 2005
    #5
  6. Apr 5, 2005
    Mudweiserjeep

    Mudweiserjeep JEEP: Bouncy and Fun

    tipp city, ohio
    Joined:
    Jun 17, 2004
    Messages:
    718
    I had never given them much thought.......maybe I should. :rofl:
     
    Mudweiserjeep, Apr 5, 2005
    #6
  7. Apr 5, 2005
    53Flattie

    53Flattie Intigator

    Easley, SC
    Joined:
    Sep 23, 2002
    Messages:
    855
    I've never had them on Lulu. As stiff as the springs are - unless I jumped it over an airplane or something, I don't think it is possible to compress them all the way down...
     
    53Flattie, Apr 5, 2005
    #7
  8. Apr 5, 2005
    Boyink

    Boyink Super Moderator Staff Member

    Tulsa, OK
    Joined:
    Sep 20, 2002
    Messages:
    6,197
    Come on up to the dunes...we'll give your suspension a workout...;)
     
    Boyink, Apr 5, 2005
    #8
  9. Apr 5, 2005
    michigan_pinstripes

    michigan_pinstripes I'm not lost, I'm wandering

    Clarkston MI...
    Joined:
    Aug 20, 2003
    Messages:
    605
    Putt Putt has simple box steel (rectangular) as an extension. Looks original

    Speaking of Dunes -- My tub is still loose and need tightening :rofl:
     
    michigan_pinstripes, Apr 5, 2005
    #9
  10. Apr 5, 2005
    Mcruff

    Mcruff Earlycj5 Machinist

    Albertville, AL
    Joined:
    Sep 22, 2002
    Messages:
    5,349
    I guesss since I have alot o aluminum barstock in the garage we're going for the bling look and I'll use aluminum for the spacers!;)
     
    Mcruff, Apr 5, 2005
    #10
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