Ha viva top wishbone bending under braking ?
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  1. #1
    Official RnS Addict 1stpop's Avatar
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    Ha viva top wishbone bending under braking ?

    Has anyone else come across this , it's a ha viva front with coil springs up the middle of top wish bone .
    Polly bushes top and bottom ,
    Go forwards and brake top wishbone looks like it's twisting as steering rack arm goes down and coil spring clonks top wishbone , go in reverse and it does it other way around ?
    Has anyone else noticed this , not got time to make new , so thinking as per ( my gasser ) Neil said , machine polly bushes down a bit and make new sleeves like original ha viva fronts as polly bushes don't sit in sleeves so about half the contact area as per original , then brace the wishbones themselves .
    Cheers dazza



    Last edited by 1stpop; 20-05-2015 at 19:45.

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    Correct me if I'm wrong, but if I remember correctly, there isn't room for a coil on a HA top arm? Back in '79 I fitted a new upper member and HB/HC top arms. That's what yours look like. Could this be the issue?

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    Official RnS Addict scottie's Avatar
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    cant see the leaf spring in the first pic through the gap in the bottom arm, have you removed it ?

    if so i reckon this is the problem

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    Off the Xmas card list kapri's Avatar
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    Quote Originally Posted by scottie View Post
    cant see the leaf spring in the first pic through the gap in the bottom arm, have you removed it ?

    if so i reckon this is the problem
    Yup, I'd go with that idea as the leaf spring imposes loads front to rear and across lower arm. New coilover is fixed so the bottom loads are in a totally different place and are making the area, where the leaf spring adds additional strength to the arm , flex and twist ?

  7. #5
    Official RnS Addict 1stpop's Avatar
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    Sorry it has one leaf in it now , these are older pictures .
    On closer inspection ( day light )
    It's the pivot point on the lower wishbone moving , so it's either the bushes or the holes have elongated where the bar mounts through the cross member .

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