I use this site alot to find other vehicles that might have the same part, a pretty good parts cross reference tool if you will. www.car-part.com It's a database of junkyards really. I took a guess on what car might have had 15x7 steel wheels in a GM bolt pattern. I tried 1975 Monte Carlo and got a whole bunch. I have used it for tons of other parts also. I have found that the database is very well kept too. So if you find something, more than likely the yard is going to have it. I just wish they had the same site/database for early Ford parts!!