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18x9.5 on all fours?

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Old Feb 23, 2007 | 01:29 PM
  #41  
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Originally Posted by HyperSprite
Love it!!! Can you get any side shots where the front wheels aren't angled. I'd like to see that. Any shots showing how flush they sit with the front fenders? You've got my ideal setup, just wish there were sticky tires out there offering the 275 in a 35 and 40 series sidewall.
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Old Feb 23, 2007 | 01:55 PM
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Don't ***** out!!!!


Originally Posted by Takhteh
Not sure, but I'm thinking I might have to give up this same tire size all around thing just bc I don't want to compromise anything on the car and how it was meant to handle/drive. So then, if I have to choose a staggered tire set-up, I am thinking:

(1) 265/40/18 Front, 275/40/18 Rear like you said (Same HT diff vs. stock),
(2) 255/40/18 Front, 265/40/18 Rear (Same HT diff vs. stock), OR
(3) 255/40/18 Front, 275/40/18 Rear (2xSame HT diff vs. stock)

More than anything, I'm hesitant about 265 fitment up front and don't want to have to roll fenders right now.

Also, if I'm going staggered tire, maybe I should just consider 18x9.5, +20 Front Wheels/18x9.5, +12 Rears instead of 18x9.5, +12 all around? (to give me that 8mm extra width clearance). But I don't know if that'll look as "bad-***" as the concave +12s all around.

I would just get 18x8.5 fronts, but I'm thinking (A) about resale value and how only a few might opt to pay good money for 8.5 up front, (B) I think I'd just rather have 9.5s up front for looks, but not if it can't be done, and (C) if WORK ever releases a 10.5 for the Rear, I could just move my 9.5s up front, get rid of a pair, and really have some nice wide/stagger.

Man, I'm killing myself trying to make a "perfect" decision!
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Old Feb 23, 2007 | 02:20 PM
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I think the Goodyear GS3s come in the 275/35~40 sizes. There are about a dozen different tires in these sizes in a summer category, most are not cheep. Thing is, the Kuhmos are so much better than stock that it was still a vast improvement.

Let me know if these pics help. The back could easily take a 10mm with these tires without any body mods, and I may do that down the road but I like the front just where they are.

Chris
Attached Thumbnails 18x9.5 on all fours?-img_1129.jpg   18x9.5 on all fours?-img_0753.jpg  
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Old Feb 23, 2007 | 02:47 PM
  #44  
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Originally Posted by Tubbs
Don't ***** out!!!!
I'm assuming you'd pick +12 over +20, and 9.5" over 8.5". And that's fine, but I'm not going to **** up my car just for looks, that's for sure.

I've already decided to keep w/the original 18x9.5, +12 on all four corners, anyways, if I get them. If I have to roll, I have to. But it should work.



HyperSprite, the car looks HOT.
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Old Feb 23, 2007 | 02:58 PM
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Originally Posted by Takhteh
I'm assuming you'd pick +12 over +20, and 9.5" over 8.5". And that's fine, but I'm not going to **** up my car just for looks, that's for sure.

I've already decided to keep w/the original 18x9.5, +12 on all four corners, anyways, if I get them. If I have to roll, I have to. But it should work.



HyperSprite, the car looks HOT.

I'd probably do a 12 on the rear and around a 20 on the front, but I wanted you to take the hit first on 12's all around to see how it would work. I'm interested in 265's all around too.
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Old Feb 23, 2007 | 03:36 PM
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I have a TT car, and I just bought those same wheels. Work CR Kai 18x9.5, +22mm all around.

I was thinking of going:

18/35/265 fronts, 18/40/295 rears.

That "middle number" 35~40 determines the height of the wheel correct? Thanks!
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Old Feb 23, 2007 | 05:09 PM
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I was thinking of going with a 245/35/18 and a 275/35/18 do you guys think that would be a good set up on a 9.5 rim?
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Old Feb 23, 2007 | 05:12 PM
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Originally Posted by TuscaniJon
I was thinking of going with a 245/35/18 and a 275/35/18 do you guys think that would be a good set up on a 9.5 rim?

That'll understeer, no? Do the 265/275.
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Old Feb 23, 2007 | 05:18 PM
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you think so? it seems that many have that set-up though... Maybe 255/275 would be better.
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Old Feb 23, 2007 | 05:28 PM
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Originally Posted by TuscaniJon
you think so? it seems that many have that set-up though... Maybe 255/275 would be better.

From what I've read, 265's all around doesn't cause issues with VDC, and creates a more balanced car. Some go 275 or 285 all around. I personally see no reason to go narrower than a 265 in the front.
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Old Feb 23, 2007 | 06:02 PM
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I have the base so I will have no issues with VDC. Don't you think 265 will rub on the front? I have a +12 offset.
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Old Feb 23, 2007 | 06:05 PM
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Originally Posted by TuscaniJon
I have the base so I will have no issues with VDC. Don't you think 265 will rub on the front? I have a +12 offset.
I thought you were "potentially" looking at wheels? Have you got them yet? I think since you decided to go hardcore to begin with on the front, you should try to make them work with camber. Or go with 255/265's.
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Old Feb 23, 2007 | 06:15 PM
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I have 18/9.5 work emotions with a +12 offset, but have not bought tires yet...
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Old Feb 23, 2007 | 09:02 PM
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This thread suddenly went to Newbville. =(

Seriously people you need to look at your tire sizes a little closer. A 35 series tire means the sidewall is 35% of the tread width(275 or whatever you choose). The difference in tire height between a 275/35 and a 275/40 is an inch. It will make your car look like it's got more wheel gap than it should if you put a 275/35 on the rear.

A 245/275 setup shouldn't understeer anymore than stock. In fact it may be less understeer since you're actually increasing the front tire grip by 9% which is where the majority of your braking and weight shifts too in a corner.

A 275 front tire would be a 21% increase over a 225 which should dramatically decrease understeer.... possibly resulting in a loose feeling with too much oversteer. This is where you can fine tune your setup with swaybars, spring rates, dampening, camber adjustment, etc.

Last edited by Nihilation; Feb 23, 2007 at 09:18 PM.
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Old Feb 23, 2007 | 09:09 PM
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So running 265/295 over 275/295 would yield more understeer? Am I correct?

Thanks I'm a tire noob.
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Old Feb 23, 2007 | 09:20 PM
  #56  
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Originally Posted by Devil Z
So running 265/295 over 275/295 would yield more understeer? Am I correct?

Thanks I'm a tire noob.
If both tires are the same compound, then yes, you're correct. Would you actually notice the difference between those two setups? Unless you're a pro race car driver- probably not.
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Old Feb 23, 2007 | 09:43 PM
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heres a good calculator http://www.rims-n-tires.com/info_spe...rw1=8.0&et1=10
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Old Feb 25, 2007 | 12:13 PM
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did anyone ever try the 18x9.5 and 275/35-18 at all four corners? and if so did it work?
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Old Feb 26, 2007 | 11:16 AM
  #59  
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Originally Posted by HyperSprite
I don't know how wide of tire you can run with a +12, if you are going for the stretched look it might be fine but if you are looking for a squared off sidewall, you might rub on the outside.

I am running the Nismo 18x9.5 (+30) all the way around on 275s (35 front/40 back) with 0 issues, the steering is not heavy, no rubbing, and good tire wear. They look pretty flush to me. I would say they are maybe 5mm in, if that.

Another thing to keep in mind with the Z is the weak spindle/wheel bearings, and the further you go out the more stress you put on them. Current pricing for factory wheel bearings is 185 from mynismo.com, in case you wanted to know.

Chris
Agreed. I have run 18x9 +30 with 275s at all four corners without issue.
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Old Feb 26, 2007 | 11:35 AM
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if i ran the same size all around (18x9.5 +25 offset 275/35-18) would it cause TCS/VDC issues?
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