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    Rear Inner Pivot Angle
    #1
    Senior Member KrunchWorkz's Avatar
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    Ok. Mainly this is directed for you Tut more out of wonder than out of a technical need.

    Your A-Arm car looks wonderful. I was looking at the pictures of your rear trailing arms in the jig. My question is this; if you are building custom arms and pivot housings, why use the stock inner pivot angle? Your pivot housing seems to be wider than stock, so why retain the stock pivot angles?

    The reason I ask is that each person has their own reasons for their madness, but a stock angle has a lot of camber change when your talking long travel. Its roughly 1/2 degree per inch of travel. That seems excessive. With a wider housing, you can use a pivot angle of 5 degrees and your able to tune your camber gain by rotating the pivot mount around the pivot tube. I have included a picture of my Manx pivot tube and rear arms to show how mine is setup. I haven't fully installed it, so I have not decided how much camber I want initially, but the nice thing is that I can tune how much i gain, from zero to what ever.

    This is just more about being curious because I see so many different set ups from a strait housing with no angles to stock, Ect.


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    Re: Rear Inner Pivot Angle
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    Super Moderator TutTech's Avatar
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    Actually I Don't use Stock rear pivots.
    Mine are custom pivots used by shops like Desert Dynamics, Buggy Works, Fusion etc.
    I don't remember the angle but I can check and I rotate them pretty far on my housing also.
    They are easy, I have them, I like them and get the aftermarket sets made for me so I don't have to make them.
    Plus it is what I know, have worked with and am able to do the math and set up very accuratley and quickly.
    Personal prefrence is all I can answer.
    I can cycle my tire from full droop to full compression and get 22 inches of wheel travel.
    No binding or breakage of my cvs etc. with very little tire change through positive to negative.


    Anyways cool.
    Last edited by TutTech; 08-14-2010 at 01:55 PM.


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    Re: Rear Inner Pivot Angle
    #3
    Super Moderator TutTech's Avatar
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    Ok so couldn't remember what the angle was on my pivots so I wanted to check.
    Looks to be just about 6.5 degrees. I am sure on the car they are supposed to be 6 degrees.
    That is what I thought I remember them being sold to me as.



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    Re: Rear Inner Pivot Angle
    #4
    Senior Member KrunchWorkz's Avatar
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    Very cool. I was just wondering. I had my custom made through Desert Craft, but they are no longer in business.

    What is the diameter of the pivot tube and where can I buy more pivots like yours?
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    Re: Rear Inner Pivot Angle
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    Super Moderator TutTech's Avatar
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    I make them custom myself any size diameter and width. I can set up the pivots or provide them and the 3/4 bungs in the ends. I can build them in chromoly, steel, dom etc. in many tube thickness's and sizes.

    Please PM me if you are interested or have more questions.
    Thanks.


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