Pogoing on the bars/shock LR

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  • BigBlueFord
    Senior Member
    • May 2007
    • 189

    #16
    Originally posted by johnny v View Post
    Really? A 2" tall rubber bushing cushion at the end of the chain will make a car Pogo?

    And a solid Chain will not? I just figured the rubber bushing would just give you a slower stop instead of a jerk or pop..... I guess your going to have to explain that one to this Old dog..... thanks johnny
    I don't think the rubber bushing by itself is making the car pogo. Bushing is like a spring. If you think about it all the other springs on the car have a damper (shock) associated with them. I think whats happening is the bars and j-bar are hiking the car up, the bisquit gets compressed and then rebounds pulling the car back down, bars hike it up again, bisquit rebounds again, etc. etc. With nothing to dampen the oscillation it keeps going until you come down off the bars enuf to not compress the bushing.

    We just run a chain. We don't have a pogoing problem.

    Rex
    Crewchief #21 Modified Hansen Motorsports 2014 GRT by Phillips IMCA Modified

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    • John H
      Junior Member
      • Jun 2011
      • 24

      #17
      Too much panhard angle for the track!

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      • powerslide
        Senior Member
        • May 2007
        • 2696

        #18
        Originally posted by 28m View Post
        I cant see a 2inch rubber biscuit making it pogo. I have "the" max hole on my upper left bar. If I go up one hole, it is a jumping jack. The other major cause is too much j-bar angle.
        to each his own. This is why you see so many diff chassis brands and motor builders everyone has an opinion of whats right or wrong.

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