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Thread: Longer MX83 LCAs in MX73 - what to do with sway bar?

  1. #1
    Forum Member 1st year Apprentice
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    Default Longer MX83 LCAs in MX73 - what to do with sway bar?

    I am putting MX83 LCAs in an MX73 and am deciding what sway bar to use and how to mount it.

    The MX83 sway bar is linked to the strut instead of the LCA. Even so, it still has sway bar link holes on the LCA like the MX73.

    But the increased front track means that the LCA sway bar holes are too far out for the standard MX73 end links to reach. So I can either:

    1. use an MX83 sway bar/buy a $300 aftermarket MX83 sway bar (using S13 style links/or MX83 links to struts)
    2. re-drill the sway bar link holes in the LCA "in" further & use the standard MX73 sway bar & links, or
    3. make up a new link system to go from MX73 sway bar to existing link holes in the MX83 LCAs.

    Will the increased track reduce the effective rate of the sway bar noticeably?

    I assume that the MX83 has a smaller sway bar diameter because instead of it being linked to the LCA like the MX73, it is linked to the strut instead.
    Mounted out further = higher effective rate = don't need as bigger sway bar for the same effect.
    So in theory, there will not be much of a change in anti-roll-ness between the two cars?

  2. #2
    NICE VIBE Backyard Mechanic marvis's Avatar
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    Default Re: Longer MX83 LCAs in MX73 - what to do with sway bar?

    Just drill a new hole.

  3. #3
    Junior Member Backyard Mechanic
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    Default Re: Longer MX83 LCAs in MX73 - what to do with sway bar?

    Why dont you use the Mx83 strut, rack and make it five studs, then use VX holden sway bar link and still have the 27mm MX73 sway bar.

  4. #4
    Forum Member 1st year Apprentice
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    Default Re: Longer MX83 LCAs in MX73 - what to do with sway bar?

    I'm using RA65 struts & steering arms & want to stay 4 stud. No reason to change steering rack as mine is fine. I have got hold of some s13 swaybar links which I'm trying like so:

    If this fails, then I'll just re-drill the hole & use the standard links like marvis said.
    Attached Images Attached Images

  5. #5
    Junior Member Backyard Mechanic
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    Default Re: Longer MX83 LCAs in MX73 - what to do with sway bar?

    should do the job.

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