Spring Question

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  • emtb85
    Member
    • Feb 2013
    • 52

    #1

    Spring Question

    The track I run at has a real bad dip comming into one of the turns and when the car unloads it pushes real bad up the track. Can I incress the spring rate to help and if so what would be in the ball park range or is there anything else I could to to help the car. I run a 1000 on the right front on a 3400lbs monte carlo
  • Racer96m
    Senior Member
    • Feb 2008
    • 425

    #2
    To control the bounce, you need to look at shocks, not spring rates.

    Dave
    2012 UMP Stock Car National Champions.
    2013 UMP Modified Rookie of the Year
    2014 Kankakee Speedway UMP Modified Champion
    2016 Fairbury American Legion Speedway UMP Modified Champion
    2016 Kankakee Speedway UMP Modified Champion
    2016 UMP Modified, Northen IL Regional Champion
    2018 UMP Modified, #2 National Points Standings
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    • emtb85
      Member
      • Feb 2013
      • 52

      #3
      What kind of shocks should i look for. I got easy ups on the front.

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      • JustAddDirt
        Senior Member
        • May 2007
        • 1893

        #4
        that is the problem...shocks
        if you run an easy up shock, with a 1000# spring, the shock is not controlling rebound.
        your motion ratio of your lower a-arm is 25%
        so your right front spring that is a 1000#, at the ball joint is 250#
        if your easy up shock is say 100# of rebound, it is actually 25# with motion ratio figured in
        NOT near enough shock control
        you need something with more rebound control.
        I think there should be lifeguards in the genepool.

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