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Old Sep 12, 2008 | 03:14 PM
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Question Sumitomo HTR Z III

Does anyone have pics of these mounted on a Z? I wanna know if the sidewall is too round for me.
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Old Sep 12, 2008 | 05:24 PM
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Me.

and

what about sidewall??
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Old Sep 12, 2008 | 07:51 PM
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“Too round side wall?” What does that mean?
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Old Sep 13, 2008 | 12:37 PM
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I've got em and I love them so far.

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Old Sep 13, 2008 | 12:40 PM
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Originally Posted by GA_VQ
Does anyone have pics of these mounted on a Z? I wanna know if the sidewall is too round for me.
yeah, the sidewall is round so you wanna go a little wider. I did a 275/35/18 on a 18x10 rim and I want a little more meat.

the 255/40/17 on the front 9 inch wide rim looks great though.

you can check my thread history to see many, many pictures in the thread about them.

overall they are ****ing fantastic, espeically for the price.

let me know if you have any specific questions and I will try to help
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Old Sep 13, 2008 | 01:41 PM
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I have the II version and they are great.
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Old Sep 13, 2008 | 06:54 PM
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I have them. They're pretty nice for their price. I don't think they do too well in the rain (I'd say average or so) and the grip is decent also (about average).
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Old Sep 13, 2008 | 08:45 PM
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Old Sep 13, 2008 | 08:56 PM
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I don't like the fact that they have the outside and inside labeled on the tires. What would happen if I flipped it so that the inside labeled side is on the outside and outside labeled side in on the inside? What could be the reason for having labeled sides?
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Old Sep 14, 2008 | 03:13 AM
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Originally Posted by 3hree5ive0ero
I don't like the fact that they have the outside and inside labeled on the tires. What would happen if I flipped it so that the inside labeled side is on the outside and outside labeled side in on the inside? What could be the reason for having labeled sides?
some tires are made that way for cornering reasons. The outside is labeled that way so when you corner the wider patches grip, and the inner side is usually to channel water away.
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Old Sep 14, 2008 | 10:30 AM
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Originally Posted by itsjiggajames
some tires are made that way for cornering reasons. The outside is labeled that way so when you corner the wider patches grip, and the inner side is usually to channel water away.
I can see the cornering reasoning, but the water thing doesn't make sense.

When I received these tires, I got tires that were identical. That is the left side, for example, were both labeled outside, and the right side were labeled inside. So when you put them on, you have to flip one tire, which means the one of the tires is on "backwards" with respect to tread pattern. If that's the case, how can it channel any water away?
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Old Sep 14, 2008 | 10:33 AM
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Originally Posted by 3hree5ive0ero
I have them. They're pretty nice for their price. I don't think they do too well in the rain (I'd say average or so) and the grip is decent also (about average).
mine were bomb nasty [awesome] in the rain at the Dragon and on the ride there. I have not had a single problem in the rain and pushed pretty hard to test it out. I have no nannies either [base].

here is a shot that shows the 'roundness' of the sidewall:

Last edited by Motormouth; Sep 14, 2008 at 10:39 AM.
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Old Sep 14, 2008 | 10:40 AM
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Originally Posted by 3hree5ive0ero
I can see the cornering reasoning, but the water thing doesn't make sense.

When I received these tires, I got tires that were identical. That is the left side, for example, were both labeled outside, and the right side were labeled inside. So when you put them on, you have to flip one tire, which means the one of the tires is on "backwards" with respect to tread pattern. If that's the case, how can it channel any water away?
I don't understand it either, but the new Goodyear eagle asymetrical and Vredesteins are the same way.

it's odd.
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Old Sep 14, 2008 | 10:42 AM
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I'd also like to add that the sidewall could be a bit stiffer. When cornering, it seems to have a bit of flex - more than I'd like - or maybe I'm getting to the point of being "too round" on the tires.

As far as traction, I drag race, so I know these don't grip as well as they could.

And in the rain, they're decent but it leaves something to be desired.

With all that said, for their price, they're definitely not a bad buy and not many could beat its performance per dollar spent value. There is a cheaper tire that seems to have gotten higher "ratings" on tirerack all around, though. I want to try that one too (General Exclaim UHP, I think).


Originally Posted by Motormouth
I don't understand it either, but the new Goodyear eagle asymetrical and Vredesteins are the same way.

it's odd.
So, all tires have same tread pattern with a specific side always labeled the same for those also, like the HTR Z III?

I was going to flip the tires so that the "inside" becomes "outside" and vice versa, to see if there's a noticeable difference. Plus, I have negative camber so that would help with the wear.
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Old Sep 14, 2008 | 12:01 PM
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Thanks motormouth, that's exactly what i needed! Gonna be going with a (f)265/35 and (r)265/40 on my P45r's soon... pretty sure they'll look great!
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Old Sep 14, 2008 | 12:23 PM
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I'm running 235/40 and 265/40, cheap great all around tire.
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Old Sep 14, 2008 | 02:45 PM
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I have 245/40/18 HTR Z II's (not III's) on my truck on 8" rims and the sidewalls are very rounded looking (I don't like). Had a different brand on before (forgot what they were) that looked perfect.

But at least they are the cheapest tire in that size the Tire Rack sells. For my truck cheap is good for my car cheap is not so much good.
Attached Thumbnails Sumitomo HTR Z III-su_htr_zii_ci2_l.jpg  
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Old Sep 15, 2008 | 12:05 AM
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Originally Posted by 3hree5ive0ero
I can see the cornering reasoning, but the water thing doesn't make sense.

When I received these tires, I got tires that were identical. That is the left side, for example, were both labeled outside, and the right side were labeled inside. So when you put them on, you have to flip one tire, which means the one of the tires is on "backwards" with respect to tread pattern. If that's the case, how can it channel any water away?
I'm not saying your tires are like that; i'm just saying some tires are made that way. The outside has more patch touching the ground, and the inside of the tire has less contact patch (or more grooves, whichever you want) to channel water or have hydroplaning resistance. They usually make the inside of the tire w/ more grooves as opposed to the outside for cornering reasons without sacrificing wet weather benefits.
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