Well I will tell you that some of the members here do have 7.5" wide wheels installed. I'm not sure what the offset is but I'm sure it's a tight fit.
Not necessarily the max. The bigger the offset, the closer the tire will be to the strut. And you should still have a little room as long as the tires you use on the wheels aren't too big... long story short, 48mm might be just about right for a 7.5" rim. But I'd suggest searching in the archives if nobody chimes in soon telling you exactly what you need to know.Havro said:i think the max is 45mm right?