Originally Posted by brandonjansen
The +10 offset is the only option you have. The other two are larger positive offsets which bring the wheel in closer to the suspension. You won't be able to clear the 305 tire with the +15 or +20
Ok...That explains how the offset actually factor in to this then. I'm starting to think that a 285 may be better than the 305 since it would be 20mm thinner affording me 3/4" or so of additional clearance.