1960C60Viking,
What lug pattern do you have? If you have the six lug 20" wheels you need to find a set of 22.5" tubeless wheels. A 8.25 x 20 tire is the same height/size as a 9.00 x 22.5 and a 9.00 x 20 is the same height/size as a 10.00 x 22.5. These 22.5 six lug wheels were very popular on school buses up into the 1980's, maybe into the early 90's. A friend got me three of them for free because the school district he works for no longer had any busses that used that style wheel...you just need to look around. I run 22.5 on all of my trucks...I like tubeless and radials. The trucks ride and track better with radials also!
Don't give up without a fight!
Mike B
