2007 CADILLAC DTS W/7 SPOKE 17" STOCK WHEELS (235/55/17 TIRES)... I WANT TO GO TO & BUY 22" CUSTOM WHEELS BUT DON'T KNOW THE CORRECT OFFSET/BACKSPACING TO LOOK FOR SO AS NOT TO HAVE INTERFERENCE ISSUES -OR- WHEELS/TIRES STICKING OUTSIDE THE FENDER/OPENINGS... ANY HELP WOULD BE GREATLY APPRECIATED.
RESPECTFULLY,
BILL HARBILAS- ORLANDO, FL.