I have a 1955 Chevrolet 3100 pickup. Can I use radial tubeless tires on the standard rims without using tubes. I think a made a big mistake. I wanted to keep the truck as original as possible, so I ordered 600X16 whitewall bias ply tires from Coker. The tires appear to out of round. The truck feels as though I am driving over a washboard road. Is it me, or has anyone else had problems with Coker????