I am running 275 Z1's, lowered ~1-1.5" from stock on coils with -3/-2 camber and I have no rubbing issues at all. I also has no issues with stock GSR wheels with 265 Nitto NT05's on stock height or with coils with regards to rubbing. Unless you are getting your wheels/tires mounted at Discount/Firestone/NTB/Goodyear/Etc listen to what your shop says.