Caster Split

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  • Dirt Knife
    Senior Member
    • Jun 2012
    • 147

    #1

    Caster Split

    Can caster split cause a pus at mid turn?

    Run 1.25 LF and 7 RF caster

    Run 3/8" toe out with 925 LF and 900 RF spring

    1/3 mile 10* or less banked track.

    Run 1 to 1.5" stagger on a dry slick dont wish to add more starting to hurt
    turn exit.

    Thanks
  • SRXSRULE
    Senior Member
    • Jan 2011
    • 217

    #2
    I would say no, it wont cause a push but how is the car entering the corner? Caster split will "jack" weight to the LR and tighten the car up but only when you counter steer.

    I'm guessing if the car is pushing mid corner your not counter steering at that point?

    Whats the rest of the set-up look like? Is the car good everywhere else other then mid corner?

    Eric
    Last edited by SRXSRULE; 07-08-2012, 09:54 PM.

    Comment

    • Dirt Knife
      Senior Member
      • Jun 2012
      • 147

      #3
      Hmmm

      Car is a 3 link S Stock 225 lr 200 rr
      throw it in hard to loosen the chassis
      have = comp on rr and rf shocks aprox 3"
      50% rear 49% cross 3300 lb car 51% left
      thinking about switching left side and right side springs front and rear
      rear roll center is 10" bar angle 5* frame mount left side
      In traffic cant throw it in as hard body slaming is not my driving style

      Comment

      • Dirt Knife
        Senior Member
        • Jun 2012
        • 147

        #4
        hmmm

        so maybe cuz I have to throw it in so hard im actually pushing going in
        yet when i loosen my grip on the wheel it counter steeres to the right hard
        to keep the front in front
        run the low groove and the high groove every night serch 4 what makes
        the suspension happy
        have adjustable rear lowers can add more rear steer to help yet the
        front just seems to skate

        there are no binds or susp bottoming out tires are new ect

        Comment

        • SRXSRULE
          Senior Member
          • Jan 2011
          • 217

          #5
          Dont swap the springs all around. Make one change at a time.

          I would increase the LR spring rate, this will add cross and rear bite. This will loosen the car up on entry (off throttle) , allow the car to trun through the center and then tighten the car up on corner exit (on throttle).

          If your spring rates are true and accurate I would go up 50lb's of rate on the LR. This should gain you around 2% of cross and be enough of a change to feel, and see if it helped it. Eric

          Comment

          • Dirt Knife
            Senior Member
            • Jun 2012
            • 147

            #6
            ok

            I'll dial up 3* on the left front and leave the 7* I have
            on the rf so that will give me 4 for a split
            I'll try that for hot laps
            I have a 250 to replace the 225 currently in the LR
            If it needs more

            I spent 10 years or so on asphalt with the caster the car would pull itself into the corner
            why on dirt dose it want to countersteer to the right?
            It just dosnt feel like it wants to pull me down into the corner?

            Thanks

            Comment

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