r YOUR mods LEGAL? vicroads linky
ok, now that i worked out that AAMI allows OVER 25s to have as many mods as i want (as long as they r legal according to vicroads), i went to the vicroads site to look up what's legal. i have come across this link which has Vehicle Standards Information sheets on various "mods" which seem quite useful.
VicRoads Standards Info sheets
I have found that Civics cannot upgrade to 17's (well at least not 17x7).
"The width of any replacement rim must not be more than 25mm greater than the widest wheel specified by the vehicle manufacturer for that model or vehicle series..."
and
"The overall diameter of any replacement rim and tyre must not be more than 15mm greater than largest diameter tyre specified by the vehicle manufacturer for that model or vehicle series..."