Are the wheels tight on the pilot diameter on the hubs? That's what centers them on the hubs. If they are and you have the top plates remove any burrs from the wheels and I would think they would run fine as long as there tight.
I wouldn't use those wheels. If the lugs are even the slightest bit loose, the oval holes will have a "run" at the lugs and hit them harder than if the holes were round. Impact really multiplies the force, and the lugs might shear off, resulting in a really bad day.
