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Thread: Air Spring lengths

  1. 10th February 2016, 10:03 PM #1
    joel0407's Avatar
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    Air Spring lengths

    Hey guys,

    Just some info because when I looked a couple years ago when I was looking at shock lengths, I couldn't find it.

    So I was warned that if I went with too long length shocks, I could tear the end out of the bag since the shock is all that limits travel.

    I was also warned that if I use the lifting blocks under the bags they could bottom out internally and break so I should extend my bump stops.

    Here you go:

    Firstly the base plate fits up into the bottom of the bottom of the bag a little so you will have to take about 2.3 - 2.4mm off the other measurements.



    To to bottom extended, I wouldn't go over 440mm.





    And I wouldn't compress it under 140mm.





    Just remember there will be air bag in between that.

    Oh and this is why I changed it.





    I was a bit worried because I was one of the official tow vehicles for the NT Mud Races. Lucky I had a spare and it only took about 15 minutes to swap it out.
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  2. 11th February 2016, 07:40 AM #2
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    It looks original,,
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  3. 11th February 2016, 07:42 AM #3
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    joel0407
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    Nah mate, about 2 years old.
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  4. 11th February 2016, 07:43 AM #4
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    I put them in extended mide and wash them down evey 3 or 4 months too
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  5. 11th February 2016, 08:52 PM #5
    lewy
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    is it dunlop,mine only lasted a couple of years as well
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  6. 11th February 2016, 08:56 PM #6
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    Quote Originally Posted by lewy View Post
    is it dunlop,mine only lasted a couple of years as well
    Yep.
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  7. 11th February 2016, 08:57 PM #7
    lewy
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    i was dissapointed as the dunlops replaced the originals
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  8. 11th February 2016, 09:04 PM #8
    lewy
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    Once they have rolled of the bottom bit i don't think they would roll back on
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  9. 12th February 2016, 02:39 PM #9
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    Quote Originally Posted by lewy View Post
    Once they have rolled of the bottom bit i don't think they would roll back on


    Yep, They do. I actually had a bit of trouble fitting the new spring. I put it in and turning the ignition on to inflate the spring. In the few seconds by the time I walked back around the passenger side the bag had kinked out the side. I ran back and turned the ignition back off. There was hardly any pressure in the bag and I was able to push it back in straight but before I did that, it was completely off the bottom.


    It's a bit like blowing up a rubber glove and then pushing your finger in the end of one of the glove fingers. It just rolls back over your finger.


    I was more concerned about the angle the bag meets the base when its at full extension.


    Happy Days
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  10. 15th February 2016, 03:15 PM #10
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    U reckon it failed from abrasion in the mud? Overextension or just worn out?

    Ps: How's those new shock valves going? Good thing??
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