What is the largest size rims you can put on a Mark vii?

The largest size rims you can typically fit on a Lincoln Mark VII without extensive modifications is around 18 inches. However, some enthusiasts may successfully install 20-inch rims with appropriate tire sizes and modifications to avoid rubbing. It's crucial to ensure proper clearance and consider the vehicle's suspension setup when upgrading wheel size. Always consult with a professional or refer to specific forums for detailed guidance based on your setup.