225 are not too wide for a 7" rim, I have 225/50 on 16x6.5 rims.

17x7 is just perfect.

99 SVT Contour Silver Frost, #365/2760, DMD 98 Audi A4 2.8 Quattro Tiptronic, 30V -- SOLD! 91 Isuzu Impulse XS Kammback, Handling By Lotus Victoria, BC, Canada