Looking at the picture again I think there's also a bit of an optical illusion going on.... The tyres have so little sidewall compared to standard 235/45/17's that it exagerates the gap even more.
As I said earlier, a chat with Tony at WIM would be a good idea.
I'm booked in at WIM on Saturday 17th of May (I was talking to him earlier today, but didn't discuss this issue), but that is to get the car's tracking checked etc. I'm afraid that if there's something wrong here that the visit to him will be wasted because the car should be set at the right height before he adjusts it.
Do you reckon he'll be able to advise in advance over the phone?
Send him a message on the WIM forum.
Well worth getting the Geo done regardless as he can highlight any issues for you. He will also work out the ideal settings for cars with modified suspension / non-standard wheels.
Do make sure you have a full tank of fuel when you get to the centre though as all calculations are performed with the tank full.
He is going to fit two new wishbones to mine (far less hassle for me!!!!)and redo the Geo for free, Top Man!