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Thread: *HOW TO* Rose jointed Linkage

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    Small and Shiney Dar's Avatar
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    Default *HOW TO* Rose jointed Linkage

    Rose jointed linkage

    The linkage in these piccys was my test linkage. The proper one on the car uses larger rose joints. i.e. M8 instead of M6 and M10 instead of M8.

    Tools
    • Drill & drill bits (Best to use a pillar drill)
    • Taps (As in to make new threads and not kitchen taps)
    • Some spanners


    Chop off this joint. Then drill a M10 hold down the rod and tap it. The rose joint fits in to place as in the picture. Please note that the nut at the bottom of the rose joint sits very close to the gearbox and you may need to grind a few mm off for it to not foul.

    Do the same with the other end.

    Grind off this ball and you will uncover this M8 sized hole.

    Do the same on the other side.

    This piccy shows the bar with the rose joints at each and in comparison to the standard one. These are M6 rose joints but you are better off with M8's here because the bolts fit the holes you uncover much better. Just bolt this where the old bar used to go and its done.

    Standard vs modifyed

    A little video showing what the gear change is like. Lots of people ask how the internal cav shifter is compared to the standard Nova one. So couple the cav shifter with the rose jointed linkage and this is what its like.
    Gear linakge test
    Then fit it on to the car and adjust it so that it all works and you can get every gear.

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    would like to do this mod, does anyone sell them already made?

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    Senior User Welsh Dan's Avatar
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    They pop up here, migweb and ebay every so often. I daresay Chris Astley might be able to supply one?

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    Very good guide Dar allways wanted to know how to do this and looks pretty straight forward i'll be giving this ago in the distant future

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    what are the advantges of doing this?
    (sorry if seems a silly question but i have no idea)

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    Senior User Welsh Dan's Avatar
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    Gear changes will feel much more direct, as there is much less 'play' in the mechanism.

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    How much reciprical motion is needed at this point? (ie moving gearstick back and forward)
    As I'm finding the washers/nuts im using (m10s) are restricting it.


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    Senior User Welsh Dan's Avatar
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    I had to fit misalignment spacers on all of the pivots.

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    What are they and where can i get them?

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    Senior User Welsh Dan's Avatar
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