A 205/55 on 16x7 will work fine in the front of an SC. Some have fit 215s or 225s but the 205 will be the safest bet.
Here's mine with 7s front 8s rear on 205/55 and 245/45 Sumitomo HTRz-
7s and 9s(Cup wheels with adapters to correct the late model offset) on Fuzion ZRi 205/55, 245/45