oh.....found out what the rust was.....was some on where the spare wheel sits, and a little bit on one of the side mirrors, supposedly a common place for it.
But it'll be all gone & sprayed before l get it back so all good.
Got stock wheels (and zorst) on it too now to clear compliance & rego .... then back on goes the 18's & zorst soon as its done.
Oh yeah.....ian, l asked him bout the safety pop rivets, and all compliance plates are now stickers, not metal, so it doesn't matter!!