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  • #1

    Member wants to drive new SUV

    So last week I had a member who received our monthly "whats going on with ALSCCA" email that we started in February. He had previously participated in AutoX back in the day and had stopped due to Family Expansion (having kiddos). Because of the expansion in his household he had to sell his Audi and opted for a 2007 X5. He now has the bug to get out and AutoX again because of our new site. He asked if his X5 would be allowed.

    Now obviously me being the BMW guy that I am, wants this vehicle at an AutoX because they are flat out rocketships for what they are (SUV, SAV, whatever).

    So the rules state:

    Section 3.1 Eligible Vehicles
    Vehicle must be less then 116.0" wheelbase AND
    must meet a Static Stability Factor of greater then 1.30 utilizing Height of vehicle in Inches and Average Track Width.
    So looking up online the WheelBase of a 2007 X5 3.0si is 115.5" (squeaking in)
    The Average Track Width is (64.7 Front 65.0 Rear) 64.85"
    The Height of the Vehicle is 69.5"

    This would give us a SSF 64.85" / 69.5" = 0.933

    Obviously this is less then 1.30 and therefore would be deemed Ineligible per the SCCA Guidelines.
    I am not sure that these measurements are exact as they are from Edmunds on the Interwebz. Also, the vehicle has the Sport Package which may change the dimensions.

    So, number 1, are my calculations correct? And number 2, is there any way that we can allow our member to enjoy his vehicle at an AutoX if he were to pass Tech on all other areas?

    Thanks,

    John
    John Kilgore...if winning was easy, losers would do it.
    Team9Racing BMW 325i, Old Faithful (with a little evil)
    Tags: None
  • #2
    The chart on page 34 of the Solo rule book shows a chart for vehicles with a production like masses. From my reading of this section, that means a static stability factor of 1.30. The line in the chart represents those vehicle and is shown as 1:1 ratio. The height of the vehicle is 69.5 (Y-axis). The average track width is 64.85 (X-axis). The puts this vehicle above the 1:1 line (identified as SSF=1.30) which is outside of the acceptable range.

    "Vehicles with a SSF less than 1.30 should not be permitted to compete in our Solo events due to their higher risk of roll over."

    It for sure could have been said better, but basically what it amounts to is that if the vehicle is higher than it is wide, it can't play.

    I didn't know that this rule existed. Oddly enough, we don't have a similar rule in rallycross.
    Charles
    TAC/TVR
    #72 SA rallyx Impreza 2.5 RS
    #74 "CSP" time trial Miata

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    • #3
      Turtles.......

      Comment

      • #4
        Suggest he take the money he would chew up in tires for an x5 and buy the cheapest running miata he can find

        Somewhat more seriously, we've seen students in SUVs get themselves in some precarious situations at the TDCs. Frankly I don't think we should make exceptions for vehicles clearly outside the acceptable range in an autocross event. It would be a poor precedent.
        Rod H
        Bringing a knife to a gun fight.

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        • #5
          I'm sure he could find someone to let him codrive with the right kind of persuasion.
          M. Cholewa

          Because they heard I liked my name, so they put my name as my name so I could have my name in my name... all the time.

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          • #6
            My thoughts: http://www.youtube.com/watch?v=20e3XfR9hSY

            If it is a sport package it makes a huge difference and it would be plenty stable. On the other hand, if it is a sport package he is looking at $2000+ in tires.
            Casey Stallings
            caseystallings@live.com

            It's all fun and games until someone loses an everything.

            Comment

            • #7
              Originally posted by rodhx View Post
              Suggest he take the money he would chew up in tires for an x5 and buy the cheapest running miata he can find

              Somewhat more seriously, we've seen students in SUVs get themselves in some precarious situations at the TDCs. Frankly I don't think we should make exceptions for vehicles clearly outside the acceptable range in an autocross event. It would be a poor precedent.
              I agree on both points. SUVs are for... well, I'm not sure but I'm sure they have there place.
              Darryl E.
              Blue Miata with ricer stickers.
              Wizzer Motorsports

              Comment

              • #8
                An SUV is.....A STATION WAGON!

                Or was a station wagon the 1st SUV?

                Yes, I said it!
                Bill Clinton "It depends on what the meaning of the word 'is' is."

                "Irony can be pretty ironic sometimes!"

                Comment

                • #9
                  Originally posted by claym View Post
                  An SUV is.....A STATION WAGON!

                  Or was a station wagon the 1st SUV?

                  Yes, I said it!
                  either way.......there were SS versions of station wagons back then. And I'm sure there were several people on this forum that drove a station wagon way too fast when they were younger.
                  John Kilgore...if winning was easy, losers would do it.
                  Team9Racing BMW 325i, Old Faithful (with a little evil)

                  Comment

                  • #10
                    He has the option to get a second set of wheels/tires to change the track width to meet the 1.3:1 limit. Those would be some wide tires though. He could also modify the suspension to lower it, also helping meet the 1.3:1.
                    Matt W.
                    18 SM - Lancer Evolution MR
                    15 MR - Volkswagen Beetle
                    Sponsors: Satellite Racing - Defined Performance

                    Comment

                    • #11
                      Originally posted by TouringBubble View Post
                      He has the option to get a second set of wheels/tires to change the track width to meet the 1.3:1 limit. Those would be some wide tires though. He could also modify the suspension to lower it, also helping meet the 1.3:1.
                      they already have 265 or 275's on the car. I guess some 20x20's are in line to wrap up in some 495/30/20's.
                      M. Cholewa

                      Because they heard I liked my name, so they put my name as my name so I could have my name in my name... all the time.

                      Comment

                      • #12
                        Originally posted by Cholewa View Post
                        they already have 265 or 275's on the car. I guess some 20x20's are in line to wrap up in some 495/30/20's.

                        The big question would be then, will they fit on a Miata?
                        John W8
                        CSP 10 Yellow Miata

                        Comment

                        • #13
                          Miatas would rather run 13x15's, less rotating something or other....

                          Does anyone actually make a wheel that's as wide as it is tall?
                          M. Cholewa

                          Because they heard I liked my name, so they put my name as my name so I could have my name in my name... all the time.

                          Comment

                          • #14
                            13x10s get pretty close...
                            - Jordan, GS-15
                            "I am here to live aloud." - Emile Zola

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                            • #15
                              Originally posted by Cholewa View Post
                              Miatas would rather run 13x15's, less rotating something or other....

                              Does anyone actually make a wheel that's as wide as it is tall?
                              you can custom order a wheel any way you want.

                              But as for running an actual wheel that is wider then tall, alot of drag racers do it.

                              http://www.speedwaymotors.com/Garage-Sale-Carmin-Steel-15-Inch-6-Pin-Wheel-5-Inch-Backspace,5099.html?sc=WGB&utm_source=GoogleBase&utm_medium=feed&utm_campaign=GoogleBase
                              John Kilgore...if winning was easy, losers would do it.
                              Team9Racing BMW 325i, Old Faithful (with a little evil)

                              Comment

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