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Spacers

Legion

New member
Location
Australia
Car(s)
Skoda 206 4x4
Just for the sake of completeness.

Vehicle standards are Federal. Registration is State.

This is the NSW VSI. Guidelines for alternative wheels and tyres (nsw.gov.au)

It details wheel and tyre requirements. Basically keep the same diameter. Can't reduce the track. Can't increase the track by more than 25mm. Outside that you may be able to get an engineering certifier to sign it off but his first question is prove its safe. If you want to pay him to do the calculations go for it.

I don't see anywhere where it says your wheel width is limited to a 25mm increase. You have to stay within the body work.

If your using factory offset limits and within a 25mm track increase there is a lot of latitude.

When a new vehicle is brought into the country it is certified by the manufacturer to meet Australian Design Rules and it is affixed with a plaque stating it complies. When you start modifying suspension, axles, brakes etc the vehicle is no longer as certified by the manufacturer and its deemed non-compliant. Its then up to you to obtain compliance. There is latitude, but you can't do as you like because you are not a registered certifier who can certify the vehicle. So some things like intakes are basically go for it as long as you keep the emission systems. Others, there are rules.

A spacer consists of a disc which may have parallel surfaces, have holes drilled about the size of the bolts or may be slotted, of unknown material from some sweat shop on Alibaba because its cheap. That Xmm spacer is then fitted with the factory bolt and someone ends up getting killed because they didn't have sufficient thread engagement. It the same reason race scrutineers like to see a wheel nuts with a thru hole so they can see full thread engagement.

Insurer's will only insure legal vehicles. The fact you are using a spacer kind of means your breaching your insurance contract. If your in an accident and they want to be a bit difficult they just have to say its illegal and then you have a problem. You have to fight them through the courts if you can and your chances aren't good. And they have more money than you :(

Wheels, again its your responsibility to ensure the safety of your vehicle. If your putting Audi wheels you like on your Golf, Skoda etc you have some assurance of quality. Same if you buy a TUV certified wheel. Buying wheels that aren't engineered could be a problem. it really comes down to if you are negligent in putting a wheel on your car. Could you foresee that its not a good idea?

"How can a cop know that your wheel sits maybe 1/2 " farther out?" They have eyes. Your typical Highway Patrol officer is a highly trained high performance driver. They are trained in the law and they deal with defective cars on a daily basis. That's kind of like asking if a plant mechanic would know the difference between a diesel and petrol engine. Some are good and some are bad but you're making a mistake if you assume they're idiots. As an aside, NSW Highway Patrol are tested to be able to identify the speed of a vehicle by sight and there is a specific tolerance for pass/fail. if they can spot the speed of a vehicle by sight in half a second they can see a wheel spacer when they squat down next to your wheel and look at the hub. Just because they pull you over for something, look at your wheels and don't say anything doesn't mean they don't see your using spacers. How you respond to him probably best determines what he actually does, and perhaps if the last 3 people he's had to deal with were idiots.

As we say in Australia, Its all fun and games until someone looses a testicle.
 
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