225/60-14 BFG Radial TA on 14x5.5 steelie
I have 215/60-14s on 5.5" Mopar Ralleys. They are on the front of my '65 Barracuda. I think they look great. A reputable tire shop will tell you if the 225 is ok. They should have a chart that shows Recommended & Permitable sizes by rim width.