Heres the first letter he sent me:

Regarding the rims, they are 16x8" with a +10mm offset.
This means when you consider the stock 16/18x7 +38mm,
they stick out about 1.5" more than the stock wheels
do. ~1" (really 28mm) for the offset difference, .5"
for the 8" width. For my spare I just have a 16x8"
steel wheel (also black ) with a similar offset.

Because they stick out that much further, the biggest
tires I could fit without a lift were 265/70R16, which
are about 30.5" in diameter. Some say using stock wheels
they can fit 265/75R16, which are about 31.5" in diameter.
I had to do "a little" trimming of only the front bumper
cladding. Very trivial operation, and you could never
notice the difference unless you knew what to look for.
Basically there's a corner on the inside edge of the
cladding that points directly at the tire. It needed
to be rounded off. Real easy to do a clean job with a
Dremel.

The wheel size issue is so complicated. I recommend
finding a rim you like, and then ask the forum what
kinds/sizes of tires could fit given the rim size and
offset. I found the wheels I wanted, and then brought
them to a tire shop. Tried 265/75R16 first, but I would
have needed a lift or a lot of trimming to fit that tire.

Then, I asked him a stupid question, and got an incredibly patient answer that explained the issue even more:

No. +38mm and +10mm are both offsets from 0. Not +38+10,
but 0+38 and 0+10. The offset describes how far it is
from where the wheel contacts the face of the hub is from
the centerline of the wheel.

see: http://www.tirerack.com/wheels/tech/offset.htm

What this means is, with a 0 offset, the hub will be right
at the horizontal center of the wheel. A positive change
in offest pushes the wheel in towards the vehicle, wrapping
around the hub. A negative change in offset pushes the
wheel out away from the vehicle.

The difference between my wheels and the stock wheels is
38mm - 10mm, or 28mm (about 1 inch), not 48mm. Since my
wheels are also an inch wider, the outer face of the wheel
is 1/2 of the difference in width (1/2"), plus the
difference in offset (28mm or about 1").

If you really want the same look, you should look for
16x8 with a +10mm offset.


There YA Go