I am looking for 6 10 bolt wheels that will fit on my 1968 C50. The wheels on it now are the split ring type. They are 8.25 x 20 The center hole is 6 and 1/4 inches. I want to get rid of them and replace them with regular rims. I have heard that to do that, the wheels have to be 22.5. Any body have any old trucks or buses that they are parting out?