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Thread: Shock Absorbers (rear 110)

  1. #1
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    Shock Absorbers (rear 110)



    I've got a dead shock absorber on the back of the Defender.

    The shocks are ARB OME

    The Defender has a 55mm lift and H/Duty rear coils.
    The Spring retaining height is 620mm (that's with the spring fully extended, but still in place).


    The Bump stop distance at this height is 210mm


    The Normal Ride Height is 530mm
    The Bump Stop distance at Ride height is 145mm.

    The OME shockers have a fully extended length of 520mm (560 according to AR.

    That means that the Defender had 3cm of suspension extension!
    I called ARB, they thought it was okay. Huh?
    No wonder the rear end kept bouncing in the air off road, and I thought it was just because of the very stiff springs. There was an extra 10cm of suspension travel that the shocks didn't allow for.

    Now I'm looking for replacement shocks - any recommendations?

    ARB and Ironman have the same limiting lengths.

    O/L (Toughdog) can custom make a length (3 week delay) - prices range from $110 - $275 per shock depending on type & supplier.

    KONI 8240-1190 SPX goes from 349mm - 565mm, so is a bit closer. ($575 pair 4 week back order).

    KONI RAID 90-5375 (576mm extended) are $1066 pair.
    KONI RAID 90-5401 (607mm extended) are $1076 pair.

    Fred Smith is looking into what he can get to suit, yet to hear back, but will update when I do.

    Obviously the KONI RAID 90-5401 is the right shock, just the price is unaffordable.

    Bilstein don't make a shock long enough, and reading through previous posts on the forum, thet're too expensive to modify - may as well buy the KONIs by the time I mod the Bilsteins.

    So what say the experts?




  2. #2
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    Hi Michael, I seem to recall seeing lowered rear shock mounts that might just solve your problem.Adverts in the LRO magazine and similar are the likely source for that idea. I think they bolted into the original chassis holes.This might let you use affordable S/As and get more down travel. Cheers, 130man.

  3. #3
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    when measuring, Koni and Bilstein measure from the base of the pin, a lot of other manufacturers (Rancho is one) measure to the centre of the bush.
    Eyes are measured from the centre.

    Also remember that you can get the long travel Bilstein (100mm longer, 50mm more travel) that LRA originally commissioned from Bilstein, but now seems to be available through both Bilstein importers (Quadrant and Heasmans)

    Koni Patrol rears and 79 TLC rears can be modified to suit. Proven products and Toperformance can both do this.
    Much cheaper than forking out for Raids, which are ridiculously overpriced compared to their competitors, ie. Fox, King, etc.

  4. #4
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    What about procomp or monroe gas????????????

  5. #5
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    The KONI RAID 90-5401s are $180AUD each out of the UK and about $260AUD each out of the USA. I've sent some queries out, will let you know what transpires.

  6. #6
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    yep go the the rear lowering mount for the shock...gives you more of an option and u can run a std lengh shock...scorpion # 2002-0027

    stu


    Quote Originally Posted by Michael2 View Post
    The KONI RAID 90-5401s are $180AUD each out of the UK and about $260AUD each out of the USA. I've sent some queries out, will let you know what transpires.

  7. #7
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    I just picked up two x Billies from Quadrant at Hallam for $510.00. They are the extra travel ones as per Rick 130's post and fitted with protectors. They also offered to re- valve them if they are too stiff for nix.
    You really need these, or a similar travel shock as I had exactly the same setup as you and busted one rear shock clean off on the Wandin test track and recently broke the 3 mounting bolts on the rear pin on the Bloomfield track in QLD. Kinda let me know with a fair old din.
    Its wrong of OME (AR to market these 2" lift kits as the shocks simply restrict the travel too much and obviously don't like doing it.
    David

  8. #8
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    Quote Originally Posted by DeeJay View Post
    I just picked up two x Billies from Quadrant at Hallam for $510.00. They are the extra travel ones as per Rick 130's post and fitted with protectors. They also offered to re- valve them if they are too stiff for nix.
    You really need these, or a similar travel shock as I had exactly the same setup as you and busted one rear shock clean off on the Wandin test track and recently broke the 3 mounting bolts on the rear pin on the Bloomfield track in QLD. Kinda let me know with a fair old din.
    Its wrong of OME (AR to market these 2" lift kits as the shocks simply restrict the travel too much and obviously don't like doing it.
    David
    I'll give them a call tomorrow, $510 for a pair sounds pretty good.

    I can't believe I had 10cm of suspension travel that was thwarted by an ill fitting shock. I would never have thought a company that "engineers" suspension systems would do that. Several people have noted how often my back wheels were in the air during off road trips - with only 3cm of suspension extension I understand why.

    My first choice is KONI, because of the larger bore. I've seem Bilsteins get pretty hot in cold desert driving. Despite that, they didn't fade - so they're my second choice.

  9. #9
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    Quote Originally Posted by stock View Post
    What about procomp or monroe gas????????????
    I don't think they'd last as long, nor do I think they'd make a shock that long - but I haven't investigated them yet.

  10. #10
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    Quote Originally Posted by stuart View Post
    yep go the the rear lowering mount for the shock...gives you more of an option and u can run a std lengh shock...scorpion # 2002-0027

    stu
    Thanks, I just search their site and noted that Rovacraft are agents and have them in their catalogue. I'll call tomorrow and get some prices.


    EVOLUTION REAR TOP SHOCK MOUNT
    Machined, welded and powder coated shock mount lowers the rear shock absorber by 2” - uses existing mounting holes. These mounts allow an additional 2" of droop travel to maintain wheel contact with the ground.
    Available for:
    Land Rover, Range Rover, Discovery

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