Rims

[vt_maverick]

whew, 9" wide on stock....lots of BFH

Wheel width isn't a factor in anything other than weight (thicker rim = more weight obviously). It's the offset/backspacing and tire width/height that really matter since those are the dimensions that determine the swing arc. If he ran 245's on these (not possible due to bolt pattern but hypothetically) I bet he would have to do little to no trimming at all, even with the 13mm less offset. If he ran a bigger tire sure, but again it's the tire size making the difference, not the wheel.

[Vendetta]

Wheel width isn't a factor in anything other than weight (thicker rim = more weight obviously). It's the offset/backspacing and tire width/height that really matter since those are the dimensions that determine the swing arc. If he ran 245's on these (not possible due to bolt pattern but hypothetically) I bet he would have to do little to no trimming at all, even with the 13mm less offset. If he ran a bigger tire sure, but again it's the tire size making the difference, not the wheel.

But Mav, you can't just dismiss wholesale wheel width as a factor in fitment. It's the base measurement that the offset and the consequent backspacing act on. So starting with the right width is important. Then adding tire sizing to that determines the swing arc, the violation of which by the cladding and other bits determines how big of a BFH need to be employed.

That said, I don't think the OP will have any issue finding a good fit with a 18x9" rim, provided the tires' overall diameter is respected and kept within reason - to your point.

-V