4bar and shock mount location on birdcage opinion

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • racinlm
    Senior Member
    • Mar 2008
    • 162

    #1

    4bar and shock mount location on birdcage opinion

    Just wondering what people's opinions are on trailing arm locations on the birdcage:
    - LR upper hi/low on birdcage: this is still our go to (half index)when there is a tight strip of bite on the bottom.
    - RR upper hi/low on birdcage:
    - LR lower hi/low on birdcage:
    - RR lower hi/low on birdcage:
    - RR shock closer or further from center of axle:
    - LR shock closer or further from center of axle:
    There is always info on raising or lowering bars on the chassis but I rarely see this discussed..
    Thanks
  • MasterSbilt_Racer
    Senior Member
    • May 2007
    • 14324

    #2
    Originally posted by racinlm View Post
    Just wondering what people's opinions are on trailing arm locations on the birdcage:
    - LR upper hi/low on birdcage: this is still our go to (half index)when there is a tight strip of bite on the bottom.
    - RR upper hi/low on birdcage:
    - LR lower hi/low on birdcage:
    - RR lower hi/low on birdcage:
    - RR shock closer or further from center of axle:
    - LR shock closer or further from center of axle:
    There is always info on raising or lowering bars on the chassis but I rarely see this discussed..
    Thanks
    If you are asking what it does, there is no opinion there.

    Lr top down = more steer, more thrust, softer wheel rate. Makes car rotate more. Can drive harder, depending on other parts of setup.
    Lr bottom down = less steer, more thrust into the top bar, softer wheel rate. Tighter in general
    RR top down = more steer, more thrust, increase wheel rate. Makes car very free on throttle.
    RR bottom up = decrease steer, remove thrust from top bar, increase wheel rate. Tightens entry. Can loosen exit by making car too RR dominant.

    Lr shock away from axle = magnifies loading from index. Tighten exit. Can loosen entry.

    RR shock away from axle = magnifies loading from index. Tightens entry. Can loosen exit.
    Modern Day Spec Wedge Racing

    Comment

    Working...
    X