Help measuring bolt pattern

They would not be proper on an old lug centric car like any pre 90's. They would be correct on a newer car. Now if you do a disc and drum brake upgrade with new parts, you could use any of the newer stuff. Otherwise mostly swap meet or eBay. Don't anyone panic out there. Just pay attention to what you read. Our older cars are not up to current auto standards by any stretch. that is one of the things that attract us to them. They are different.