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  •  » alignment question

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    2/27/2017 9:45 AM  #1

    at
    FYI Addict

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    From: Tampa FL
    Registered: 4/02/2013
    Posts: 275

    alignment question

    Anyone know how far you can shim the upper a arm to increase castor. I can get 5/8" on the front bolt and 1/8 on the rear. This gives me about 7 degrees castor and 1/2 degree negative camber. Will this cause any problems with suspension?

    You can lead a horse to water, but you can't get him drunk
     

    2/27/2017 10:52 AM  #2

    rpm
    Senior 24-7 FYI Addict

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    From: Bakersfield, Ca
    Registered: 9/17/2013
    Posts: 3,603

    Re: alignment question

    Wow 7*. I'd run it thru the suspension travel arc without the spring, and also check bump steer with that much caster.

    Bob. 69 Mach 1, 393W, SMOD Toploader, Armstrong  steering, factory AC.
     

    2/27/2017 11:43 AM  #3

    TKOPerformance
    Hyper FYIFORD ADDICT

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    From: Newark, DE
    Registered: 12/15/2014
    Posts: 7,439

    Re: alignment question

    I've not heard of it being done on a Mustang, but its how GM cars like the Camaro, Nova, etc. are aligned.  The only concern I would have is whether or not you keep enough thread engagement in the fasteners securing the UCA.  Ideally a bolt needs to go through the nut by a length at least equal to the diameter of the bolt to maintain proper torque.  So long as that is maintained I don't see anything inherently wrong with the idea.  I might tack weld those shims in place just for peace of mind, but otherwise should be fine. 

     

     

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