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Thread: Nsw modification laws / regulations for large tyres and lifts

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    Advanced Kai's Avatar
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    Nsw modification laws / regulations for large tyres and lifts

    Hey guys,

    After days of research I'm still a little lost about the current rules for modifications in nsw,

    I know it has changed so you can only increase tyre diameter by 15mm without engineering certification.

    But the reason I've been researching is I have now got some 35" tyres and as soon as I looked at getting an engineers certificate I found the rules had changed.

    Can someone confirm that they have had 35" tyres or suspension mods engineered recently, when, where and how much,
    Any information will help as long as it's recent.

    I would prefer to run these tyres legally, due to insurance as much as anything. I only plan to run 35's for trips, not daily... I also have 2" lift and 2"body lift that I was intending to get engineered as well if required.

    Let me know of your recent experiences or where I can find current information.

    Cheers
    Kai
    1990 Gq td42 turbo wagon

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    Moozle2000 (5th December 2014)

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    Expert Tonks's Avatar
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    Try your local tyre/suspension/4x4 shop surely they would know the latest rules & regs,

    Good luck.

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    Kai (19th February 2013)

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    Advanced Kai's Avatar
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    Thanks for the reply, I spoke to a local shop this morning who also happen to have a few patrols on large tyres, the guy I spoke to did not know about the engineering side of things but was going to try and get some answers. So I will hear from him in the next day or so.

    So has anyone had any modifications engineered in the last few months?
    1990 Gq td42 turbo wagon

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    Patrol God threedogs's Avatar
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    Just say all mods were done before laws were changed, and date receipts accordingly, He He
    04 ST 3lt auto, not enough Mods to keep me happy, but getting there

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    That won't help

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    Advanced Kai's Avatar
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    After more research I found out the process for getting modifications legal(in nsw)
    If you want to know more google :
    Vehicle safety compliance certification scheme or VSCCS Nsw for short.
    Last edited by Kai; 20th February 2013 at 07:58 PM.
    1990 Gq td42 turbo wagon

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    Hi Kai, We're also in the process of researching and getting our modifications legalised and engineered, wondering how you went with getting your rig engineered with 35's and 4" lift. Our Engineer has asked us to find all the standard factory specifications of our SWB GQ, ei, highest wheel option and highest factory height. No idea where to find these stats, but only just started looking...
    any advice, tips, tricks?

    thanks

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    Nit trying to be a smart ass but isn't that what your paying the engineer for? I have just never had an engineer come back and ask me to do that for him.

    Quote Originally Posted by Moozle2000 View Post
    Our Engineer has asked us to find all the standard factory specifications of our SWB GQ, ei, highest wheel option and highest factory height. No idea where to find these stats, but only just started looking...
    any advice, tips, tricks?

    thanks

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    Patrol Guru Covo71's Avatar
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    Tyre size difference can be increased by 7%. So to go from a 265/75 16(800mm diameter) to 285/75 16(829mm diameter) still legal. You could go to 305/75 16 if there was a tyre that fits(over by 3mm). It also goes off the maximum size tyre available for your car on the tyre placard not what may be on your car now. Unfortunately I cannot find my tyre placard on the GU.

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    Quote Originally Posted by doka404 View Post
    Nit trying to be a smart ass but isn't that what your paying the engineer for? I have just never had an engineer come back and ask me to do that for him.
    Yeah thats what we thought too!
    but I kinda dont mind doing the research, gives us peace of mind that we're legal

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