10" on a stock 73 Duster?

Okay, V8 and disc is what I have, so 4.5bc. So it looks like I could use the Cragar V5's as they are 5 x 4.5 in. Bolt Circle?
Could I run the following without any mods?

225/60R15’s on the front 15x7 rim
275/60R15’s on the back 15x7 rim
Both have 3.75" Backspace.