Hi,

Seems to be alot of confusion out there regarding exactly how big they can go with their tyre and wheel combinations.

so i have done some research and here are the applicable laws for QLD, NSW and Vic. Im still waiting to hear back from WA but if anyone else has the links for the other states, please pm me with them.

QLD
QLD Light Vehicle Modifications is the webpage
while PDF of the modification laws

NSW
NSW RTA Laws Part 8 is what you will want to be reading *cheers to 70XIN for the link*

VIC Laws Regards Alternate Tyres and Wheels

SA
SA Laws Look at the information under part 5 for Tyres and Wheels. Would be a good read for all SA as it seem to cover a fair bit of information
*Cheers to STEALTHY for the link*

NT
http://www.ipe.nt.gov.au/whatwedo/mvr/vehi...obulletins.html
in particular http://www.ipe.nt.gov.au/whatwedo/mvr/vehi...v44-2003-02.pdf (pages 3 and page 4)

*this information correct at time of posting, if there is any doubt please contact your local transport department for clarification

Damone

also here is a handy little tool that shows you what profile tyre you have to go to if you wish to change the size of yours rims.

http://www.miata.net/garage/tirecalc.html

Make sure you change the unit of measure to Metric from standard so you see everything in units that mean something to us.

Information for SA has been posted up.

Would be a good read for all South Aussies, seems to cover a fair bit of information

-
Damone