I'm looking at a rear tire combo of:
255 60 15 mounted on a wheel thats 15x7 with a backspace of 4.25.
Will it fit???

you will need more b.s. . i run 255/60/15 on my elco with unmodified wheel lip. my rim is a custom rally 15x8 with 5 1/4 b.s. . they fit very comfortable. tom

Thanks.