armstrong leverarm shock rebuild?
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  1. #1
    MR UN-POPULAR sqweaka's Avatar
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    Apr 2009
    sqweaka is offline

    armstrong leverarm shock rebuild?

    can you rebuild them? also can they be uprated with heavier oil to stiffen the action?


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  3. #2
    Official RnS Addict cozmic's Avatar
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    Dec 2009
    isle of wight
    cozmic is offline
    Hi Ian yes they can be rebuilt seals etc are obtainable and quite a few parts are interchangable/ universal some mg,s use them so I would try mg restoration/ spares suppliers (moss, rimmer brothers etc) first. Not sure about uprating them just by using heavier oil I think to uprate them you have to alter the valving but its been years since I,ve messed about with them so I may be wrong hope that helps a bit

  4. #3
    Rods 'n' Sods Junkie
    Join Date
    Dec 2010
    Weslake-Monza is offline
    The world expert is in the USA. You can modify the valves and use a slightly thicker oil. However, if the unit is worn you will be wasting your time, also it can be very difficult to bleed the air out of the unit. In the UK, a re-con Armstrong often means it's been very nicely painted.

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  6. #4
    I'm Not Jed Clampett stueeee's Avatar
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    Dec 2009
    Nr. Dartford, Kent
    stueeee is offline
    I've used thicker oil to uprate laver arm dampers in the past. The stuff I used was 30 weight motorcycle fork oil, on the basis that it is a hydraulic oil, so should be OK with the seals etc in the dampers, made a big difference to their resistance; but lever arms are still a very poor second to tele dampers IMO though even when they're uprated.
    My website: Isn't working at the moment
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