Cheers Ben, the problem is that I don't know the ET of these wheels, do you know if its written on the wheel?? I looked today and couldn't find it at all. They aren't sticking out from the arch, so the ET can't be that low, however there is no more room for them to stick out any further!!
Just had them fitted, make a huge difference to the handling of the car.
My build thread is updated!
Cheers for the help all,
Chris.