H&R Race springs spring pad questions...

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  • digger
    R3V OG
    • Nov 2005
    • 6095

    #46
    Originally posted by zaq123

    strangely, I had it dialled ion perfectly when it was lower. I'm gonna see where my camber is at now because I think the camber adjuster has something to do with the toe being where it's at now.

    looks like camber and toe plates do interfere with each other.

    http://e30sport.net/tech_articles/ecc_bush/ecc_bush.htm
    The two are always lightly coupled because the pivot axis is 15 degrees from a perfect transverse axis. if the axis was perfectly transverse then adjusting camber would not affect toe one iota

    That article appears to refer to offset bushings (kmax dont have these anymore? but powerflex and superpro still do them) which by virtue of the way they work by rotating the pivot axis about the factory pivot which ends up moving the pivot axis horizontal and vertical. The eccentric bolts don't do this anywhere near as much as they simply translate either up and down or fore and aft depending on orientation and thus and cross coupling is only related to the 15 degree factor.
    89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...

    new build thread http://www.r3vlimited.com/board/showthread.php?t=317505

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    • zaq123
      E30 Mastermind
      • Jul 2016
      • 1502

      #47
      I redid my string setup and it's all good. My strings weren't parallel to each other showing it being toed out.

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      • digger
        R3V OG
        • Nov 2005
        • 6095

        #48
        Originally posted by zaq123
        I redid my string setup and it's all good. My strings weren't parallel to each other showing it being toed out.
        i have had 3 alignment checks done by shops (laser or whatever they fancy machines that they all use) and they all showed notably different results at the rear though two are somewhat consistent. i had to use a string line setup to be able to do a sanity check to work out which was more correct. It could be that with semi old bushes the thing does move around so there could be some variation but tbh i dont know how much is normal variation so i am not even 100% sure whether how i set them will be able to get it proper as the lingering doubts caused by different values. I know for sure they are atleast toe out as all show this as does the string line method
        89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...

        new build thread http://www.r3vlimited.com/board/showthread.php?t=317505

        Comment

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