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Old 10-18-2012, 09:03 AM
jackmartin jackmartin is offline
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Default 2013 Rules and Specs discussion

Pam
I just want to confirm what I think the rules will be on wheel size. Full prep Cambirds with alternate brakes are still limited to 16 x 8 wheels.
Correct?

Thanks for all the hours you have put in.
Jack
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Old 10-18-2012, 09:34 AM
PamRichardson PamRichardson is offline
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Default wheel size

Jack --

You are correct for 2013.

You will see, probably in the December 20th Fastrack that for 2014, the max wheel size will go to 17 X 8.

But, for 2013, it is still at 16 X 8.

And you are welcome, thanks for the thanks!

Pam
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Old 10-19-2012, 10:20 AM
cantrell17 cantrell17 is offline
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Goodyear AS tires are designed for a 9" rim, kind of limits the tire manufacture does't it.

Al Cantrell
AS #17 WDC
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Old 10-19-2012, 10:34 AM
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jkopp jkopp is offline
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Quote:
Originally Posted by cantrell17 View Post
Goodyear AS tires are designed for a 9" rim, kind of limits the tire manufacture does't it.

Al Cantrell
AS #17 WDC
So are Hoosiers so evidently not.
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Old 10-19-2012, 06:45 PM
cantrell17 cantrell17 is offline
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Yep, 8-9 inch rim. My catalog from 2011 showed 8" for the Hoosiers.
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Old 10-19-2012, 07:12 PM
ehosni ehosni is offline
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Default Goodyear Tires

Goodyear knew we had a 8" wheel width rule when the tire was developed. There were AS drivers involved in the testing and development of that tire on a 8" wheel.
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Old 10-19-2012, 08:32 PM
cantrell17 cantrell17 is offline
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And the results are ? ?
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Old 10-21-2012, 07:18 AM
PamRichardson PamRichardson is offline
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Default Research

Al --

I don't know the results of the GY tests when they built the new tire, because Danny and I were not involved in testing.

However, I do know that the ASAC did research with both Goodyear and Hoosier before making the decision to go to 17X8 wheels. For both the 16" version of their tires and for the 17" version of their tires, they would both prefer one have a wider wheel than 8"; however, they both agree that the 8" wheel will work for their 275 width of the tire.

As with everything in a rule change, there is research, compromise, and discussion. Some rule changes require a LOT of those things, some do not. But, each rule change request does follow this process. The ASAC has been working on the wheel change request since June 2012, and, part of that process was how much time do we give people to change if they wish to vs. how do we deal with people building cars? Do we give people with current cars till 2015 to change? Do we give people building cars the wheel change in 2013? The compromise, was, as you know, 2014. Not ideal for everyone, but, probably as fair as it could be.

The issue with the 16 inch wheels is that because the car manufacturers don't use 16 inch wheels on new cars, finding wheels is becoming difficult. Most GTA wheels have been scooped up from junkyards. Some would like the ability to buy lightweight, reliable wheels and those aren't available any more either. Plus, wheels have a life as well. So, do we wait until the situation is untenable? Or, do we think about what is coming in the future and act somewhat in advance of a train wreck?

Two sets of my wheels are OEM (23 lbs) and 21 years old. My AREs (17 lbs) are about 18 years old. My Revs (2 sets -- 19 lbs) are about 10 years old.

The 17X8 was a reasonable compromise because its footprint is VERY close to the 16X8 version, as close as we could make it, given the situation. Meaning minimal advantage and people could stick with their 16s until they decided to change.

The 17X9 wheel does not fit on the Fox bodies (in terms of being able to turn the wheels lock to lock inside the wheel well).

So, once again, we have an overly constrained boundary value problem, and the ASAC needed to make the best possible decision for everyone. And, once again, as our class ages, we are needing to find creative ways for ALL cars to be able to continue to run successfully in the class.

Our class of cars now spans 34 years (1979-2013), and continues to remain, through the efforts of all of you, and your ASAC, and your CRB, and your BoD, one of the most consistently successful (and fun!) classes in SCCA. You all passed along why it works. As always, we need to work together to ensure it stays that way.

I apologize for not answering your question sooner, but, Doug and I went to VIR Friday so he could run an enduro yesterday in his SSM. He didn't get a lot of chances to race this year for many reasons, so, he wanted one last race.

I'm glad you asked the question and I am glad to answer, however, someone who was involved in the recent Goodyear testing will need to chime in.

Thanks, Pam
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Old 10-21-2012, 09:34 AM
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koscieldrk koscieldrk is offline
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Pam

Is this eventually going to obsolete the 16" wheel or will we still be able to run the 16's if we elect to do so. In other words will both wheel sizes be in the spec line.
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Old 10-21-2012, 09:53 AM
jimwheeler jimwheeler is offline
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MAX wheel size. Anything up to the max listed.
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