Conditional Motorsport
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Thread: Conditional Motorsport

  1. #1
    1000+ Posts bowie's Avatar
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    Default Conditional Motorsport

    Lets talk about Australian Design Rules!

    With the renault having rego, the capacity of driving to and from track events is getting closer.

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    With it's sole purpose to be a cheap track car, I'm now at the stage where I can start to think about things I can take of it / make better, so that it still qualifies with it's ADR requirements for rego purposes whilst giving me the most fun on the cheap.

    Investigating the conditions for the CVS rego, in effort to understand the what changes can be made legally, I've been directed to the second edition ADR which covers vehicles from 69-88

    https://infrastructure.gov.au/roads/...tion_adrs.aspx.

    I'm currently interested in interior modifications and I can't see a control listed there apart from seat belts, sun visors, and the front windscreen.

    Do I dare assume without a document present to control, I'm free to remove / change the side windows (delete / plastic), leave the interior stripped of carpet and even remove the window mechanisms, door handles etc etc.

    Also there is no document to control for dashboards other then requirements of instrument visibility?

    A rear 4 point roll cage to accommodate a harness also seems a none issue providing I don't interfere with occupant ingress / egress, along with the main hoop being 150mm away from "a head" in a seat at it's furthest back position.

    And this is easily organized once I change the seating capacity to 2 or 1 for that matter by removing the affected seats and seat belts. (see page 57 https://infrastructure.gov.au/roads/...Jan2011_v2.pdf)

    This doesn't seem so scary?

    Works: 1999 Volvo S40 T4, (has Choo Choo's)
    Playing: R12, SuperPos, thinks It's a race car.
    Previous: SuperGrumpy fuel spitting 504ti(ish), SuperComfortable 505 STI, SuperDoper carried my groceries Mi16
    Wanted Ye old K4J / K4M Click!

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  2. #2
    1000+ Posts bowie's Avatar
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    To clarify. First correction should read that I need to account for (ARD's + VSB14).

    Back to reading VSB14.

    Wait! the VSB14 is really providing an interpretation of what will be acceptable within the ARD guidelines right?

    Looking at the ARD second edition, where does it cover holes in the floor?

    https://infrastructure.gov.au/roads/...tion_adrs.aspx

    There must be some "state" regs I'm missing here?
    Last edited by bowie; 13th November 2017 at 04:45 PM.

    Works: 1999 Volvo S40 T4, (has Choo Choo's)
    Playing: R12, SuperPos, thinks It's a race car.
    Previous: SuperGrumpy fuel spitting 504ti(ish), SuperComfortable 505 STI, SuperDoper carried my groceries Mi16
    Wanted Ye old K4J / K4M Click!

    "More and more of less and less" - Marina Abramović

  3. #3
    1000+ Posts renault8&10's Avatar
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    Go back and look at VSI 6
    I think you'll find if you remove the rear seats and seat belts to accommodate the roll cage for example, you will need to have it engineered as a 2 seater which is an expensive exercise if not difficult.

    I would get all you mods wanted listed down, and go talk with your club registrar after doing your current research as you are.
    KB


  4. #4
    1000+ Posts Fordman's Avatar
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    In my experience - ADRs are not meant to cover the whole car (eg, holes in floor). They are Design Rules for manufacturers to standardise on safety requirements for particular areas of the vehicle, and only take effect when written into the State Motor Vehicle legislation for each state. So the state authorities generally have their own way of by-passing some of the ADRs for low-volume production and modifications. They may/will require the vehicle to comply "in principle" with an ADR, but cannot make it comply, only the manufacturer can do that.
    So your State regs are the way to go. And if that makes it difficult, then unfortunately that is why we have the regs. These days there seems to be a reasonable tolerance of modifications, but one has to accept that one cannot modify everything to make the car competitive on a race track.
    It has always been my advice to young guys getting into the sport, get a trailer, and build a proper car for the track. It will be much faster, cheaper, and you won't have road reg problems. Also at the first race meet, you can get the car home after it's first rollover.

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  5. #5
    Fellow Frogger!
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    Quote Originally Posted by Fordman View Post
    In my experience - ADRs are not meant to cover the whole car (eg, holes in floor). They are Design Rules for manufacturers to standardise on safety requirements for particular areas of the vehicle, and only take effect when written into the State Motor Vehicle legislation for each state. So the state authorities generally have their own way of by-passing some of the ADRs for low-volume production and modifications. They may/will require the vehicle to comply "in principle" with an ADR, but cannot make it comply, only the manufacturer can do that.
    So your State regs are the way to go. And if that makes it difficult, then unfortunately that is why we have the regs. These days there seems to be a reasonable tolerance of modifications, but one has to accept that one cannot modify everything to make the car competitive on a race track.
    It has always been my advice to young guys getting into the sport, get a trailer, and build a proper car for the track. It will be much faster, cheaper, and you won't have road reg problems. Also at the first race meet, you can get the car home after it's first rollover.

    Very very sound advice. A dedicated car for the track will be faster and cheaper no question - 100%

    When you apply the basic principal for a car intended for the track, starting with a production car and remove or replace anything that does not make it handle better, accelerate faster, stop in a shorter distance and protect the driver if you roll over or crash, you will create a car that cannot be road registered.
    Last edited by Bustamif; 14th November 2017 at 02:52 PM.

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    the famous 18E pug206gti's Avatar
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    G'day,
    Don't forget that full harness seat belts have an expiry date. Are there any full harness belts designed for road use ?
    regards,
    Les W.


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  7. #7
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    Quote Originally Posted by pug206gti View Post
    G'day,
    Don't forget that full harness seat belts have an expiry date. Are there any full harness belts designed for road use ?
    The 4 point belts from the suppliers in Qld I found through here on AF, www.seatsafe.com.au comply but I don't think the proper racing 6 point harnesses comply. There is a long list of similar safety equipment, performance equipment and modifications necessary for racing that are not acceptable for rego. Brake components including balance bars are another problem as well as some race seats.

  8. #8
    1000+ Posts alan moore's Avatar
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    As I interpret the rules as regards ADR and seat belts, (from my reading many years ago) 4 point harnesses have to have a single latch mechanism to be legal, and the car would have to be built before 1974 (I think) to actually fit these and have them legal, as later cars need inertia reel front belts to comply. In a later car that you want to keep legal, the bolts with ring heads can be used so that the 4 point harness can be clipped in at the track on the day.
    6 point harnesses certainly hold you in better, and stop you from needing to keep pulling down on the shoulder straps as you go around the track, usually ending up with the lap section up at your diaphragm.
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    1000+ Posts renault8&10's Avatar
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    My vague recollection thinks that ADR compliant harnesses need to be 2" webbing. A lot of Motorsport approved harnesses are 3"
    On my R10 I ran non-inertia seat belts with the eyelet bolts Alan Moore mentions to clip in a 6 point 3" harness when required. This was a quick release multi-point one in that case so not going to be ADR.
    KB


  10. #10
    1000+ Posts bowie's Avatar
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    Yes happy to turn up to an event and bolt in a harness if required. I've seen to many accidents with shit street cars to not want a harness, proper seat, some kind of roll bar.

    I think I can get all that done without ruining rego. Harness can be bolted in for the track day, as can the seat if necessary, but a couple of the seats I have been looking at have ADR stickers on them anyay. And as for the roll bar, a 4 point cage behind the driver should still be ok providing It is measured correctly away from the drivers / passengers seat, once giving up the rear seats.

    It all seems do-able honestly.

    Works: 1999 Volvo S40 T4, (has Choo Choo's)
    Playing: R12, SuperPos, thinks It's a race car.
    Previous: SuperGrumpy fuel spitting 504ti(ish), SuperComfortable 505 STI, SuperDoper carried my groceries Mi16
    Wanted Ye old K4J / K4M Click!

    "More and more of less and less" - Marina Abramović

  11. #11
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    As Jeremy Clarkson says before the next big adventure, How hard could it be ?

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    1000+ Posts renault8&10's Avatar
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    If it's that easy then Bowie, just go do it.
    KB


  13. #13
    Fellow Frogger! Brett's Avatar
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    Move to Adelaide, no yearly inspections, do what you want till they pull you over.
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  14. #14
    1000+ Posts bowie's Avatar
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    Victoria and Adelaide have it sorted.

    In the mean time, I've found a spot at the members Track day at SMSP on the 27th November. We'll see what falls off it then.

    Good Good Good

    Works: 1999 Volvo S40 T4, (has Choo Choo's)
    Playing: R12, SuperPos, thinks It's a race car.
    Previous: SuperGrumpy fuel spitting 504ti(ish), SuperComfortable 505 STI, SuperDoper carried my groceries Mi16
    Wanted Ye old K4J / K4M Click!

    "More and more of less and less" - Marina Abramović

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