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Thread: Anyone running fairly new King Springs?

  1. 5th December 2011, 03:14 PM #1
    Yorkshire_Jon's Avatar
    Yorkshire_Jon
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    Anyone running fairly new King Springs?

    Guys,
    Long shot, but I need some measurements....

    My 110 has started to shake a little at about 85-90kph. Its not wheel balence, its not the steering damper and I dont think its a knackered bush.

    Im thinking its my front springs that have sagged, knocking the castor angle out and inducing the shake.

    I am running King Spring KRRS-02 on the front with 6 degree QT Radius arms. For 4 years this has been perfect for me but after the recent pounding on the Anne Beadell and CSR Im pretty sure theyve sagged further.

    When I installed the springs I recorded the heights from ground to top of arch... Now I cant find the measurements....

    If anyone is running fairly new KRRS-02 or KRFR-03 springs, could they measure the height on the vehcile so I can compare with mine? (I dotn want to buy 2 new springs to find out it wasnt that!

    Thanks
    Jon
    Regards,
    Jon
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  2. 5th December 2011, 03:26 PM #2
    Lotz-A-Landies's Avatar
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    You haven't got a prop-shaft recently out of balance have you? Perhaps a very slight bend that reaches a harmonic at 85-90KPH.

    You won't find me on: faceplant; Scipe; Infragam; LumpedIn; ShapCnat or Twitting. I'm just not that interesting.
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  3. 5th December 2011, 03:39 PM #3
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    I'll place money that it isn't the springs. Propshaft UJs or shaft balance would be top of my list as well.
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  4. 5th December 2011, 03:42 PM #4
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    Thanks guys. The prop (double cardon) was refurbed after my trip...

    Next job when it stops raining will be to remove the prop and go for a drive.

    Thx
    Jon

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    Regards,
    Jon
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  5. 5th December 2011, 03:55 PM #5
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    I pretty sure they are the springs I am running and I think I have the measurements written down at home from when I put them in. I am however, unfortunately not at home. I can tell you that after two and a half years (with a 37kg bar only on the front), that my free spring length is 375-380mm (because I measured them on Saturday when I replaced the front shocks).

    This probably isn't much help though. I'll have a look tonight.


    James.
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  6. 5th December 2011, 04:30 PM #6
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    Quote Originally Posted by Yorkshire_Jon View Post
    Thanks guys. The prop (double cardon) was refurbed after my trip...
    Perhaps, it's the splines not in the correct alignment, IIRC the splines have to be aligned one or two splines out of square to prevent this sort of vibration.

    It happened on my RRc, no matter what fix we attempted we couldn't get rid of the vibration at 80-90KPH. Eventually Ward Freeland, removed the shaft and rotated the splines and the vibration disappeared immediately and has never returned.

    You won't find me on: faceplant; Scipe; Infragam; LumpedIn; ShapCnat or Twitting. I'm just not that interesting.
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  7. 5th December 2011, 05:25 PM #7
    Newdog
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    Panhard rod bush?

    I had the same problem on an early Rangie, turned out to be the panhard rod bush. On visual inspection it looked ok, but once removed and compared to the new item you could see it was flogged out. Could be worth a look, cheaper than springs.
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  8. 5th December 2011, 05:40 PM #8
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    What about the swivel hubs getting a bit loose? I had the same gradual thing happen and that was the solution, worth checking?
    Louis

    '99 'fender - it goes... (quite well actually!)
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  9. 5th December 2011, 05:45 PM #9
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    Quote Originally Posted by x-box View Post
    What about the swivel hubs getting a bit loose? I had the same gradual thing happen and that was the solution, worth checking?
    Thanks.
    I have had both front wheels in the air and there is no adverse play across the swivels / wheel bearings.

    J
    Regards,
    Jon
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  10. 5th December 2011, 05:49 PM #10
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    Quote Originally Posted by rainman View Post
    I pretty sure they are the springs I am running and I think I have the measurements written down at home from when I put them in. I am however, unfortunately not at home. I can tell you that after two and a half years (with a 37kg bar only on the front), that my free spring length is 375-380mm (because I measured them on Saturday when I replaced the front shocks).

    This probably isn't much help though. I'll have a look tonight.


    James.
    Hi James,
    Heres to hoping! That free height would be spot on for krfr-03's.

    Jon
    Regards,
    Jon
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