Wheels & Tires Grabbing the road and stopping.

Anyone know the widest wheel/tire combo?

Old Jun 7, 2003 | 09:52 PM
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COUPEDIT03's Avatar
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Re: Anyone know the widest wheel/tire combo?

hell yea it would....but your gonna have some tall *** tires if you stickin with 18's..kinda tacky looking in my book, but hey....IMO the lower profile the better...I save sidewall for my cheater slicks...

"Dont start none, won't be none"
 
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Old Jun 8, 2003 | 12:13 AM
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Re: Anyone know the widest wheel/tire combo?

Actually those tires would be smaller then the stock tires.

G35 Coupe 6MT w/ PP & Aero
DG w/ Graphite Leather
 
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Old Jun 8, 2003 | 12:54 AM
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Re: Anyone know the widest wheel/tire combo?

do you know what a 275-40-18 tire looks like? sidewall heaven!

the width of the tire along with the series and size of tire effect the amount of sidewall.

"Dont start none, won't be none"
 
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Old Jun 8, 2003 | 03:39 AM
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Re: Anyone know the widest wheel/tire combo?

40% of 275mm to be exact. thus that would equal 110mm (~4 1/4 ") of sidewall

"Use the Forced Induction Luke!"
-Jedi
Ordered 4/03: 2003 G35C, 6MT, Blk/Blk. Loaded ETA ~ 6/03
 
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Old Jun 8, 2003 | 11:12 AM
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Re: Anyone know the widest wheel/tire combo?

Well done Jedi...Thanks

"Dont start none, won't be none"
 
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Old Jun 8, 2003 | 12:14 PM
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Re: Anyone know the widest wheel/tire combo?

Just a comment to coupedit03....I think you need to take a course in tire/rim sizing. Aspect ratio is important. The 18" wheels on the upgrade tie option car come with 45 aspect ratio tires - 225/45 front and 245/45 rear. When you do the calculations, a 245/40 and 275/40 are the same diameters but wider section widths and the only draw back is you need a wider rim than 8.5" to handle the wider bead to be width in the 275 size. Most tire dealers know this stuff and the real "bible" is the Tire and Rim Association Manual that is published every year. There is also another concern that you should have when making tire and rim swaps about load carrying capacity. This T&R A guide helps to take the mystery out of this part of the selection process. In addition to looks, we should consider the safety of our decisions for us and others. After all we all know tires can fail (unless you've been living under a rock for the last few years) and overload and a lack of reserve load is one of the reasons. Low aspect ratio tires alone without an adequate air internal volume may not carry the load. Compare the load carrying capacity at the inflation pressure you intend to run on the tire you select to the wheel positon load indicated on the placard inside one of your vehicle's doors. The vehicle manufacturer put it their for a reason. If the load carrying capacity of the tire you selected is less than the load on the placard....my suggestion would be don't do it or keep the car as a show car that you don't drive on public streets. Of course if you don't care, its your life and the life of others.

I hope this helps to clear up some some tire/rim confusion and let yopu know to think about what you are doing before you risk your life and the lives of others by bad tire and rim choices.

 
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Old Jun 9, 2003 | 12:07 AM
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Re: Anyone know the widest wheel/tire combo?

<blockquote><font class="small">In reply to:</font><hr>

When you do the calculations, a 245/40 and 275/40 are the same diameters but wider section widths and the only draw back is you need a wider rim than 8.5" to handle the wider bead to be width in the 275 size.

<hr></blockquote>Looks like you should enroll in that course too. A 275/40/18 is 26.6 inches tall, a 245/40/18 is 25.7 inches tall, almost a full inch difference. 40% of 10.8 inches (275 millimeters converted to inches) is 4.3 inches, and that would be your sidewall height. 40% of 9.6 inches (245 millimeters converted to inches) is 3.8 inches, and that would be your sidewall height. Multiply the sidewall height by 2, then add in the rim diameter, and you have your overall wheel height. As far as safety is concerned, nothing is as unsafe as giving the wrong information...

Ivory Pearl/Premium/Xenon/
 
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Old Jun 9, 2003 | 07:03 PM
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Re: Anyone know the widest wheel/tire combo?

Could be....

Ivory Pearl/Premium/Xenon/
 
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Old Jun 9, 2003 | 09:07 PM
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if you don't know the formula..

tirerack.com will do it for you. have you noticed the the G coupe is on the home page......
they have a 10.5 wide rear x 18 or 19 available and 9" wide is max on front......

 
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Old Jun 10, 2003 | 09:43 AM
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Re: Anyone know the widest wheel/tire combo?

Assuming you keep the front and rear tire diameters the same, (as discussed above,) is there any reason why the VDC system on a sedan would object to different front and rear rim widths?

04 G35 6MTS Aero Kit/Nav/Prem/Wint (Hopefully Sept 03)
Warning: Objects in Mirror Are Losing!
 
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Old Jun 10, 2003 | 04:15 PM
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Re: Anyone know the widest wheel/tire combo?

I am putting 19 x 9.5 front and rear with 35F and 22R offsets with 275/30-19 wheels, ive been told the front will fit with no rubbing I hope they are right.

2003.5 G35 Silver/Graphite 6MT Premium Coupe
 
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