MWoodfield

How wide can I go on 18"GT rims?

ricekiller06

well, i am now just about to install 18x9 all the around the car. and i just test fit them last night, it is very close but they fit with no rubbing at all in the fender wells. but mine have a deep dish with a 6.3" backspacing i dont know abouty a regular lip my tires are
245/45ZR/18R in the front and 265/35/18 in the back

dotsonian

Here is a chart for yokahoma tires that will get you in the ballpark. Of course, different tire manufacturers will vary some from this because of differing sidewall strength.


http://www.yokohamatire.com/utrimwidth.asp




Edit: Ok, I just noticed the tire sizes in the chart do not quite go high enough. maybe I can find a better one.

dotsonian

Tirerack.com shows 255/45/18 front and 285/40/18 rear.