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  1. #21

    Default

    We've tested raising the j-bar on both ends.It loosen the car in what we call the transition zone,Most people would call that late entry or early apex zone.Maybe just different wording between teams.Reducing lateral transfer, I can't agree with that ,but until I have data acquisition I can't ague it either.

  2. #22
    Join Date
    Jun 2007
    Posts
    3,123

    Default

    CoG and RC. Find the points. Make a line. That line is your "moment arm". Longer it is, the more weight transfers under a lateral force of X. It's that simple.

  3. #23
    Join Date
    Jun 2007
    Posts
    718

    Default

    Like grt74 said we very rarely move our jbar either, its just another crutch.(but one alot of people rely on) and yes moving the j-bar to far down will hurt you bad..

  4. #24
    Join Date
    Dec 2007
    Location
    Pittsburgh
    Posts
    101

    Default

    If I can remember correctly, Rocket suggests starting the J-Bar on the frame at 8.25". By feature time, on a wide-slick track, how far will teams raise the frame height of the J-Bar?

  5. #25

    Default

    Rocket actually wants 8 3/4" bottom of frame rail to center of bolt. My guys and pretty much everybody else I talk to are at 9 1/4"

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