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Excellent Auto-x setup info....good read!

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  • Excellent Auto-x setup info....good read!

    If you are serious about making your car handle and have the patience and time, then this is some good info. It is far from complete, but has gotten me thinking about some things for sure.

    http://www.wincom.net/trog/autocross_secrets.html

  • #2
    Looks like a great source of information! Everyone considering performance modifications and competition driving needs to read this.
    I found his take on Japanese shocks interesting.
    2003 Vue 2.2 5-speed
    2004 Ion sedan 5-speed 225K daily
    1992 SC project
    2011 Kona Steely
    2013 Redline Monocog

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    • #3
      I like this quote, only because not many people seem to understand this.

      When you have the damping right, it's right - unless you do something to change the natural frequency
      ilostmysocketwrench | Bentra Motorsports Blog | Bentra Motorsports Videos

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      • #4
        Pretty interesting read indeed.

        Again, I see that he doesn't put much emphasis into tire temps for autox either. Just road racing. [img]{SMILIES_PATH}/biggrin.gif[/img] Said it is important to be somewhat even, but nothing exact.

        --Adam
        2002 Subaru WRX - 2012 Yeti SB66 MTB

        http://www.facebook.com/adam.koback

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        • #5
          http://www.sentra.net/tech/garage/suspension.php

          Although this relates to Sentras, it looks like much of this information can translate to Saturns. ( Note: the author has also contributed some good articles to Sport Compact Car magazine.)
          2003 Vue 2.2 5-speed
          2004 Ion sedan 5-speed 225K daily
          1992 SC project
          2011 Kona Steely
          2013 Redline Monocog

          Comment


          • #6
            wow that was a great article. im just trying to figure out how to find the natural frequency. speaking this-adam, do you happen to know the brand of the amr shocks, or even what the dyno sheets look like? i've been wonderin for a while
            -Tyler (aspiring automotive engineer)<br /><br /><br />POLLY DOESN&quot;T WANT A CRACKA, BITCH!

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            • #7
              With a good set of measurements and some corner scales, you can calculate the natural freq.

              I'm curious to see the dyno charts also. A dynamic rate/damping freq/amp sweep would be interesting to see.
              ilostmysocketwrench | Bentra Motorsports Blog | Bentra Motorsports Videos

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              • #8
                They are AMR struts, and Andy might have the charts lol.

                --Adam
                2002 Subaru WRX - 2012 Yeti SB66 MTB

                http://www.facebook.com/adam.koback

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                • #9
                  Originally posted by adamkob32
                  They are AMR struts, and Andy might have the charts lol.

                  --Adam
                  Actually each strut will be a little different, kinda like engines on a dyno...they all might be stock from the same year and model car but they will all be different. In addition, not all our cars will corner weight the same, espeacially with the driver in the car so that mixes things up some as well. It would be great to get dyno charts of each of my coilovers prior to having my car corner weighted. Then if one front was stiffer/stronger than the other I could put it on the heavier of the two front corners. Same with the rears.

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