pcmx5 wrote:But I am pretty sure that in Vic you can only exceed both the width and diameter of the standard or any manufacturers optional wheel by one inch which means that any NA running 17's in Vic is illegal!!! How some of those 4wd's get away with it amazes me.
you can change rolling ie: overall diameter by 15mm
you have have a wheel as big as you like, as long as it's overall diameter (inc tyre) is within 15mm of original.