Tuesday, Oct 26, 2010 at 22:19
Good question mike39.
Currently all the legalities are in a bit of a state of limbo ... e.g. the NSW RTA debacle/farce.
ADRs have specs for minimum heights and clearance angles .... Have done for many years ... to ensure a vehicle doesnt get grounded on our lumpy poor quality roads I guess ... LOL
Those same age old ADRs could also have been used by the authorities in dealing with hoons in excessively lowered vehicles.
Variations for height used to be based on the amount of original travel the vehicle
suspension provided ............. e.g.
6' (150mm) of up & down movement from the factory meant you could buy the bits to safely adjust your
suspension by up to an extra 2" ... and do it at home.
Part of the public uproar about the new, max 50mm limit the RTA recently tried for was that not only was that, all that would be allowed ... but also that it suddenly need expensive testing and proving ... even if it was only a 1mm height adjustment.
Higher than 2" (50mm) lifts have always been legal ..... they just needed an engineering approval to make them so.
As long as they passed a build/modification inspection and the braking and swerve tests such as Vic conducts .... Up to 6" (150mm) has never been an issue.
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