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I would have to assume that your question is concerning the run-flats they use. The other tires are just a steel belted radial design, basically, with a prescribed compound, hardness of rubber, per track. There is a little more to it than that, but not much. The run flats are a tire, within a tire. The inside tire even has a pressure setting, which affects outer tire pressure. Most of the street versions of run-flats, rely on a super rigid sidewall. And there is very little rubber, in tires anymore. I don't know if this is a deep enough answer for you, but, if not email me, and I will explain further.
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∙ 13y ago
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Is Firestone Tire a NASCAR sponsor?
Firestone tire is a NASCAR sponsor. Some of the cars use firestone tires other cars use NASCAR tires. Firestone also sells NASCAR tires in addition to their own brand.
What do NASCAR teams do to make their tires stable?
They fill their tires with nitrogen.
Do NASCAR teams get their racing tires for free?
NO
Why are NASCAR tires slick?
For maximum grip.
Are new tires faster than old tires in Nascar?
Yes the new tires are faster and do not slip.
What do NASCAR tires cost?
About 1500 dollars a set.
What year did NASCAR make the transition from bias-ply tires to radial tires in the Cup series?
1995
How wide tires on nascar cars?
The biggest tires that are common have about an 29" outer diameter.
What does Nascar do with tires that are taken off in the pits?
Probably sell them as souvenirs.
Why do Nascar drivers smoke their tires when they win the race?
It is just a form of celebration.
Why doesn't the Nascar Sprint Cup Series race in the rain?
Unlike the Nascar Nationwide Series, the Sprint Cup Series does not use rain tires.
Can NASCAR hold the Daytona 500 if it is raining?
No, they can not. Nascar does not use rain tires. Just like any other Nascar race, they would have to wait for the rain to stop and then begin the track drying procedure.
