so what's the widest one can go on stock 18's on the back without rubbing. Car has .9" drop in the back. I was thinking 265/40/18. Factory size is 245/45/18 for rears.

 

If you can find a tire that you like that has 265 size go with it! I am running 255/45/18 rear and 245/40/18 front with Falken Azenis. I have a 1.2 drop and have no rubbing at all. You should be fine by a mile with that setup.

 

you are also on stock wheels?

 

yessir.

 

got a pic?

 

You won't rub with 265's on stock wheels.

 

https://g35driver.com/forums/northwest/225919-southeastern-wa.html

First page, post #8.

 

y'all think tires might be too wide of a tire for the wheel? I mean give it a squishy/squirmy feeling?

 

Yes, the widest you should go on a 8" wheel is 245

 

Nope, the 265s will work fine....265/40X18 go for it!

 

will work fine is not the same thing as will work well. A 265 should be installed on a wheel at least 9" in width for optimal handling

 

i thought stock rear were 8.5" wide?

 

not on the 18" wheels, only the 19" wheels had 8.5" rears

 

18's aren't staggered? so 8" all around? 255's then.

 

Yes, staggered tires on nonstaggered wheels