Volk Racing TE37s - Seibon Edition Group Buy - Page 2 - Hyundai Genesis Forum
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post #11 of 135 Old 10-07-2009, 12:56 PM
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Quote:
Originally Posted by Jason @ MODERacing View Post
A few facts about these rims and the group buy:
1. We only have (4) sets incoming.
2. Size of the rims, per Seibon, are 18x8.5 +22 (F)/ 18x9.5 +22 (R)
3. Recommended tire size by MODE Racing is 245/40/18 (F)/285/35/18(R) for streetability and to meet most class requirements.
4. A 20% deposit will be required to reserve a set.
5. Per Seibon, these are the only (4) sets in this size/offset combination inbound to the states for the rest of the year.
6. These rims are due to us 10/14/2009.
Just curious about the 285mm width rear tire size on 9.5" rims maybe a little much

235s on 8" (F) & 255s on 9" (R) look perfect on my current car. I suspect 245s will be perfect on 8.5", but on 9.5" rims I was expecting to have to use 265s or 275s. That is part of the reason I had chose to go with 10" rear initially, so I could get 285s on there w/no problem. I'm not trying to 2nd guess you guys Jason, just wanting to confirm that 285s will be a good fit on 9.5s is all.
Thanks for any feedback.

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post #12 of 135 Old 10-07-2009, 01:06 PM
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Should work

Tire Size Calculator - tire & wheel plus sizing - As per this site it says that the rim width should be between 9.5 to 11.0 inches to run a 285/35/18 tire

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Last edited by ArchCoupe; 10-07-2009 at 01:12 PM.
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post #13 of 135 Old 10-07-2009, 01:10 PM
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Should work Tire Size Calculator - tire & wheel plus sizing as per this site it says for the rim width should be between 9.5 to 11.0 inch to run a 285/35/18
I'm afraid that with pushing that much tire on the rim, the tire will bulge giving less than optimal performance when cornering.

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post #14 of 135 Old 10-07-2009, 01:51 PM
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I'm afraid that with pushing that much tire on the rim, the tire will bulge giving less than optimal performance when cornering.
Talk to Jason about performance difference, but when you go with wider tires then rims you are more concerned about shoulder wear on the tire. So I figured that's what the before mentioned website uses to determine the appropriate width range. So you can run this tire setup safely, but is it optimum I am just a friend who is bored at work

However, roughly on a 9.5inch [width] rim you would have 6mm more tire hanging over each side of the rim as compared to the 10inch [width] rims (on 10inch rim [width] you already have ~16mm hanging over each side of the rim). So I am trying to measure the angle from the rims edge to the edge of the tire, figuring that might give you an idea of the extra girth in the tire

This would be about ~3.5 Degree change in the angle between the tire wall and the outstretched edge of tire, the tire wall being the hypotenuse. Now will a degree change of 3.5 effect performance, yes, but will it be noticeable - I doubt it, but ask Jason as he is more of the Suspension/Alignment guy, and he is MODE Racing and I am just a friend.

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post #15 of 135 Old 10-07-2009, 01:54 PM
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I hear ya on that one, Tufast. I personally would run a 265 tire on a 9.5 wheel.

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post #16 of 135 Old 10-07-2009, 02:07 PM
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Quote:
Originally Posted by ArchCoupe View Post
Talk to Jason about performance difference, but when you go with wider tires then rims you are more concerned about shoulder wear on the tire. So I figured that's what the before mentioned website uses to determine the appropriate width range. So you can run this tire setup safely, but is it optimum I am just a friend who is bored at work

However, roughly on a 9.5inch [width] rim you would have 6mm more tire hanging over each side of the rim as compared to the 10inch [width] rims (on 10inch rim [width] you already have ~16mm hanging over each side of the rim). So I am trying to measure the angle from the rims edge to the edge of the tire, figuring that might give you an idea of the extra girth in the tire

This would be about ~3.5 Degree change in the angle between the tire wall and the outstretched edge of tire, the tire wall being the hypotenuse. Now will a degree change of 3.5 effect performance, yes, but will it be noticeable - I doubt it, but ask Jason as he is more of the Suspension/Alignment guy, and he is MODE Racing and I am just a friend.
Thanks for your feedback, a good friend you are....

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Originally Posted by Slider View Post
I hear ya on that one, Tufast. I personally would run a 265 tire on a 9.5 wheel.
To be honest Slider, if these were 10.5s out back I would be nuttin all over myself to gather the $$

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post #17 of 135 Old 10-07-2009, 04:24 PM Thread Starter
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Quote:
Originally Posted by Tufast View Post
Just curious about the 285mm width rear tire size on 9.5" rims maybe a little much

235s on 8" (F) & 255s on 9" (R) look perfect on my current car. I suspect 245s will be perfect on 8.5", but on 9.5" rims I was expecting to have to use 265s or 275s. That is part of the reason I had chose to go with 10" rear initially, so I could get 285s on there w/no problem. I'm not trying to 2nd guess you guys Jason, just wanting to confirm that 285s will be a good fit on 9.5s is all.
Thanks for any feedback.
hahaha... I had a funny feeling this was come up

Without getting into a thesis long debate about tires, I'll throw a couple of points out there.

The big one is tire size vs. tires available. The completely ideal setup for an 8.5/9.5 staggered-width set up is a 245/45 & 275/40. This setup optimizes turn in, traction and maintains overall tire+wheel diameter. If we're talking about pure performance, there's only one make/model of tire that comes in that size (Bridgestone Potenza RE-11) for a daily driven car. If you switch to a 245/40 in the front and a 285/35 in the rear, you have a few more options for tires. Even though I am biased towards certain make/model of tires, people still need options. What I like in a tire, isn't what everyone else likes in a tire. I have a hard time recommending a size to people that won't give them a lot of options.

A 285/35 will definitely fit on the 9.5" without a noticeable change in performance for a daily driver. I went from a 255/35 to a 265/35 on a 9" rim on my daily/track car and there's a slight difference, but I can compensate for it with the alignment.

Seibon and Rays issued these sizes to appeal to the masses. Some track, some don't and this setup will fit everyone's needs to a degree. They like to issue rims with the assumption that the consumer won't be rolling/ cutting his fenders, etc.

Above all else, please realize when choosing tires, some manufactures run their tires a little bigger or a little smaller to what they advertise on the sidewall. It's like sneakers. Not all fit the same.

Hope that helps

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post #18 of 135 Old 10-07-2009, 04:46 PM
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Thanks for response Jason. I'm looking more toward pure performance than DD & I hate Bridgestone anything.
I want something a little more track oriented & like Toyo R1Rs or Nitto NT05s. The R1Rs don't come in a wide enough rear for my taste, maxing out at 265/35ZR18 - 93W.

I've only had these Nitto NT05s on my bimmer for 2 days, but so far like them alot.
I've got 235s out front & 255s in the rear, keeping similar size as stock Michelins.

For the GenCoupe, the NT05s are available in 245/40ZR18 - XL 97W (Front)
& a choice of 275/35ZR18 - XL 99W, 275/40ZR18 - 99W or 285/35ZR18 - XL 101W (Rear)

If I decide to go with these Volk wheels, which rear NT05 size do you recommend to go with those fronts I just listed?

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post #19 of 135 Old 10-08-2009, 10:02 AM Thread Starter
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Quote:
Originally Posted by Tufast View Post
Thanks for response Jason. I'm looking more toward pure performance than DD & I hate Bridgestone anything.
I want something a little more track oriented & like Toyo R1Rs or Nitto NT05s. The R1Rs don't come in a wide enough rear for my taste, maxing out at 265/35ZR18 - 93W.

I've only had these Nitto NT05s on my bimmer for 2 days, but so far like them alot.
I've got 235s out front & 255s in the rear, keeping similar size as stock Michelins.

For the GenCoupe, the NT05s are available in 245/40ZR18 - XL 97W (Front)
& a choice of 275/35ZR18 - XL 99W, 275/40ZR18 - 99W or 285/35ZR18 - XL 101W (Rear)

If I decide to go with these Volk wheels, which rear NT05 size do you recommend to go with those fronts I just listed?
haha... funny thing is that I've always driven on Bridgestones. I guess I've adapted to the way they respond to the road...

another option would be the Dunlop Direzza Z1 Star Specs... 245/40 front and 275/35 rear...

in terms of the nittos I'd run the 245/40 front with a 275/35 rear as well... nittos tend to run a little big...

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post #20 of 135 Old 10-08-2009, 10:43 AM
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Quote:
Originally Posted by Tufast View Post
Thanks for response Jason. I'm looking more toward pure performance than DD & I hate Bridgestone anything.
I want something a little more track oriented & like Toyo R1Rs or Nitto NT05s. The R1Rs don't come in a wide enough rear for my taste, maxing out at 265/35ZR18 - 93W.

I've only had these Nitto NT05s on my bimmer for 2 days, but so far like them alot.
I've got 235s out front & 255s in the rear, keeping similar size as stock Michelins.

For the GenCoupe, the NT05s are available in 245/40ZR18 - XL 97W (Front)
& a choice of 275/35ZR18 - XL 99W, 275/40ZR18 - 99W or 285/35ZR18 - XL 101W (Rear)

If I decide to go with these Volk wheels, which rear NT05 size do you recommend to go with those fronts I just listed?
Might I suggest the Hankook RS3's as well? They're limited in tire sizes but they're coming out with more sizes.

I used to use RS2's and Z214's for track days on my Subaru and I've loved them!

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