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Car hard compound tires or old tires be softened? / WTB Hoosier

 
Old 09-27-2009, 10:38 AM
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007DT
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Default Car hard compound tires or old tires be softened? / WTB Hoosier

(title should read.. Can hard compound tires or old tires be softened?) I have several Hoosier Koni Tires I got in the deal of my car. Some had stickers, most had a questionable number heat cycles. Of those, there seems to be a good bit of meat on the tires. However, I really do not care for the tires at all. Is there a product that can be applied to the tire to soften the rubber subsequently making it better?

Also any feedback on these tires from those more experienced on them would be great.

Finally I am 1 tire shy of a set of Hoosier R6 245-40-17. If anyone has a lightly used one please PM me.

Thanks

Last edited by 007DT; 09-27-2009 at 10:39 AM. Reason: .
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Old 09-27-2009, 11:23 AM
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RickBetterley
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There is such a thing, but I can't recall the name.
Has (have?) been discussed on Rennlist, supposedly some really nasty fumes.
Check the online racer stores and I'll bet you find it.
I have never used it but would be interested in hearing from anyone that has.
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Old 09-27-2009, 11:30 AM
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Kurt R
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I used to use Formula V on old race tires for autocrossing. Looks like you can still get it.
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Old 09-27-2009, 11:32 AM
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Hey;

TrackClaw is one of a few products. Never done it, but a lot of guys do this or that. Some of the local yokles just use... kerosene.
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Old 09-27-2009, 11:33 AM
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I have used Formula V. It works for a while but does not soften the tires for an extended period. If you use it, apply liberally with a brush and wrap the tire in plastic wrap to let it work for a while.

The bottom line is that you can 'fix' surface hardening, but you can't really undo the effects of heat cycles.
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Old 09-27-2009, 12:59 PM
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The Koni spec Hoosier is much harder than a R6. Most people don't really care for the spec tire.
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Old 09-27-2009, 02:35 PM
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you can usually find the softening stuff on gokarting websites. I know that's the only reason I had it. I used it on a set of 2 year old tires and it really didn't seem to help much to be honest.
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Old 09-27-2009, 10:13 PM
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zmann
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Dave, the guy that runs the red Ferrari Challenge swears by Victory Lane Tire Treatment.

Last edited by zmann; 09-28-2009 at 06:53 PM.
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Old 09-27-2009, 11:13 PM
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I've used Formula V many times. Use a small 6" paint roller to paint the tires until they are saturated and wrap with Saran wrap. I think you want to do this for 3-4 days and be done a few days BEFORE you drive on them.
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Old 09-28-2009, 04:12 PM
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Originally Posted by SundayDriver View Post
I have used Formula V. It works for a while but does not soften the tires for an extended period. ...

The bottom line is that you can 'fix' surface hardening, but you can't really undo the effects of heat cycles.
This has been my experience as well. It can improve heat-cycled out tires for about one race day, but it goes away during the second day.

GRM tested it several years back and found that it improves the performance of older tires, but new tires are still clearly better (and it doesn't help those at all).
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Old 09-28-2009, 04:31 PM
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Geoffrey
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I don't think there are any products on the market that will soften a Hoosier Grand Am tire...
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