Well I got my new wheels, Enkei RPF1s 18x8.5+30 18x9.5+15 and I decided to go with the 265/35/18 rear tire. Reason due to the fact that the 18 in rim looks small as it is, I think it'll look better with a smaller tire, plus with the +15 offset I don't want any rubbing issues, as I am lowered, and want to go even lower. Anyways, you think a 235 or 245 front would match better with the 265 rear?
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JP

you are a full 1.4 inches smaller diameter smaller in the rear than stock, in other words, you're not even close. you will have less rim protection and your speedo will be off.

do you have VDC or TCS? if you do, you are screwed, unless you want to turn it off, or you want to have even shorter tires in the front than you already have in the rear. for example for a 245 width, to maintain a stock stagger you will need a 30 series tire in the front, which not only looks ridiculous (opinion) but will have even less rim protection.

if you don't have TCS/VDC, in other words a base model, you can pick any tires you want.

hope that helps, but your rear tire choices are way off in my opinion

EDIT - i see you have an enthusiast. unless you plan on turning your TCS off or having a really short front, send your rear tires back

pp

 

The wheels which you selected are the same size as the NISMO wheels. Recommended tires sizes:

Front: 245/40 x 18
Rear: 275/40 x 18

Instead of being concerned about “looks,” why not go with the size which has been tested and proven compatible with the 350Z?

 

if your going to do anything... do...

245/35/18
275/35/18

this will make it about an 1" shorter diameter (Like what I have on my car)

and you will have better acceleration as well as turning response...

 

I don't really care for the speedo being off by a few miles, just as long as both diameters are correct.

 

JP

if you are bent on shorter tires, listen to jason's suggestion. he has tried that combo without problem

of course as davidv states, there is the tried and true and suggested setup

BUT

if you really really want 265/35 in the rear then both 235 or 245 in 35 series will be within 0.2 inch of the stock rolling circumference stagger. sorry, i mistyped 30 series last time

good luck

pp