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  1. #1
    Join Date
    Jan 2009
    Posts
    303

    Default Birdcage placement

    Is there anything to gain moving the cage closer to will or in more. Beside fact of moving it out making more steer versus in more if that’s correct. Would moving closer to tire make it work lr harder?

  2. #2
    Join Date
    Oct 2017
    Posts
    1,364

    Default

    No the only thing your changing is the geometry. The car only knows the pickup points relative to the tire position.

  3. #3
    Join Date
    May 2007
    Location
    Batavia, OH
    Posts
    13,617

    Default

    It changes the steer (more inboard is more steer) and the wheel rate. Farther spring is from the wheel, the softer the rate is with respect to roll. On purely vertical loads, the in or out location doesn't matter, but we have a chassis rolling with respect to that beam axle.
    Modern Day Wedge Racing
    Florence -1

  4. #4
    Join Date
    Jan 2009
    Posts
    303

    Default

    Quote Originally Posted by MasterSbilt_Racer View Post
    It changes the steer (more inboard is more steer) and the wheel rate. Farther spring is from the wheel, the softer the rate is with respect to roll. On purely vertical loads, the in or out location doesn't matter, but we have a chassis rolling with respect to that beam axle.
    I’m still confused on that when I move the cage out the rearend goes fwd when I slide it in it goes back hooked up to the bars

  5. #5
    Join Date
    May 2007
    Location
    Batavia, OH
    Posts
    13,617

    Default

    I'm assuming you fix the geometry once you move the cage. For example when you look from the back, the forward end of the bar is 1" closer to the center of the car than the back end, both before and after you move the cage. Most everyone has really wide 4 link mounts to do that. If you have enough drop and you don't, you may bind things up.
    Modern Day Wedge Racing
    Florence -1

  6. #6
    Join Date
    Jan 2009
    Posts
    303

    Default

    No I just left them the same placemat or spacers on cage and frame

  7. #7
    Join Date
    May 2007
    Location
    Batavia, OH
    Posts
    13,617

    Default

    Quote Originally Posted by hunterracing View Post
    No I just left them the same placemat or spacers on cage and frame
    Well, that shortened static wheel base and dynamic wheel base.
    Modern Day Wedge Racing
    Florence -1

  8. #8
    Join Date
    Jan 2009
    Posts
    303

    Default

    Quote Originally Posted by MasterSbilt_Racer View Post
    Well, that shortened static wheel base and dynamic wheel base.
    never ending learning lol. Does it matter if there toe out the left side to begin with before you move the cage

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