Originally Posted by maxcichon
SRT SIX is right. A 235 width tire and a ratio of 40 is 94.00 mm sidewall height.
A 275 width tire and a ratio of 35 is 96.25 mm sidewall height.
A 285 width tire and a ratio of 35 is 99.75 mm sidewall height
a 285 width tire and a ratio of 30 is 85.50 mm sidewall height
OP, have you tried using this tool:
https://www.crossfireforum.org/forum...ment-tool.html
It will help you see what fits.
that last though is almost a 10MM diff between the fronts and the back, and I think that's too great. the 275's then are just about 2 mm diff, but the 285's/35 are only 6 off.