235 tires on OEM 18 G37X wheels?

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Old 01-11-2012, 07:25 PM
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Kromber2
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235 tires on OEM 18 G37X wheels?

I'm gonna be looking for new tires soon and want to know if I would have issues running 235 tires on the stock 18 G37x coupe wheels. Current tire size is 225/50/18. Would also consider other sizes, but don't want the tire to look to dumb being low profile on stock wheel. Taking ideas.
Old 01-12-2012, 08:51 AM
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Kromber2
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Nobody?!
Old 01-12-2012, 09:22 AM
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WeisG35
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I have a 6mt sedan with the staggered setup (225-50-18 front, 245-45-18 rear) and am currently running 235-45-18 Blizzaks all around without any issue. From past experience (03 G35 sedan with 18's), the 235-45-18 tire size does not have a great selection. You may be better off stepping up to 245-45-18 which maintains the same rolling diameter as your stock size. Many more options in that size.
Old 01-12-2012, 10:45 AM
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Kromber2
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A 245/45 profile won't be too low you think?
Old 01-12-2012, 10:50 AM
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WeisG35
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No, it will actually have slightly more sidewall height than 225-50 but will still maintain the same overall diameter. There are a number of tire size calculators/converters on the 'net. Try this one - Tire size calculator.
Old 01-12-2012, 11:16 AM
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Kromber2
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A little confused, not sure how a 45 sidewall height will be bigger than a 50 especially when not plus sizing to a 19 or 20" wheel.. haha
Old 01-12-2012, 11:25 AM
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WeisG35
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You're right, should've taken my own advice and checked the calculator . Mulit-tasking at work isn't going so well today.....

The 225-50 sidewall will be 4.4" and the 245-45 will be 4.3" so not enough to notice a difference. Obviously, the 245 will be wider.
Old 01-12-2012, 03:08 PM
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Kromber2
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Haha... I have that same problem multi-tasking. Now I just need to find a size that will fit best without giving the tire a stretched look.
Old 01-13-2012, 03:35 PM
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Neal@tirerack
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A 245/45-18 is a more popular size. Lots to choose from there also.
Old 01-13-2012, 03:42 PM
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Kromber2
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Neal, would I have a problem setting up a 245-45 on the stock 18x8 wheels? Not sure if it would have too much of a stretched look or the tires would be too low profile...
Old 01-13-2012, 03:51 PM
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Neal@tirerack
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Nope, will be fine. Tire will fit wheels 7.5-9.0" wide. An 8" is just right.
Old 01-13-2012, 03:55 PM
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Kromber2
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Have you had anyone install tires this wide on the G37 without any rubbing issues?
Old 01-13-2012, 03:56 PM
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Neal@tirerack
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What's the specifc year/model of your car?
Old 01-13-2012, 04:02 PM
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Kromber2
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2010 G37x coupe. Stock tires are 225-50-18.
Old 01-13-2012, 04:09 PM
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Neal@tirerack
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Then there will be no issues.


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