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FREQUENTLY ASKED 
KART & QUARTER MIDGET QUESTIONS

 

QUESTIONS:

1.   How do I purchase a Hoosier Race Tire?
2.   How do I get Hoosier decals for my racecar?
3
.   How do I store my Hoosier race tires at the end of the racing season?
4.   I would like to sell Hoosier tires in the US or Canada, how do I become a Hoosier Tire Dealer?
5.   How do Hoosier compounds compare to other manufacturers?
6.   How are the Hoosier Kart & Quarter Midget tires sized?
7.   What method should I use to mount a Hoosier kart or quarter midget tire?

1. How do I purchase a Hoosier Race Tire?
Hoosier Race Tires are purchased through our extensive distribution network of distributors and dealers. Select "distribution" under any race tire category under the Race Tire section. You will see a map of the United States, find the nearest distributor to you and click on the star. The address and phone numbers of the distributor will be displayed. The distributor will either be able to sell direct to you or place you in contact with a dealer who is closer to you who will.   (Top)

2. How do I get Hoosier decals for my racecar?
If you send us an e-mail at info@hoosiertire.com, requesting the decals, we would be happy to send them to you free of charge to anywhere in the United States and Canada. Remember to include your mailing address as to where you want them sent. To help defer the cost and avoid waste, in the e-mail please tell us whether you want BLACK decals or WHITE decals. We appreciate your support of Hoosier by displaying our name proudly on your racecar. (Top)

3. How do I store my Hoosier race tires at the end of the racing season? 
The useful life of a tire, whether mounted or dismounted, is directly affected by storage conditions. Tires should always be stored indoors in a dark, cool, dry room.

 - Remove the tires from the vehicle. 
 - Store tires on their side in a cool/dark/dry environment.
 - Place tires in a black plastic bag when stored during the "off-season".
 - Make sure the temperature range in the storage location is between 40-90 degrees Fahrenheit.

 - Don't store tires in direct sunlight or near electric motors. (Electric motors emit small amounts of ozone.) Tires need to be protected from light, especially sunlight. Light causes ultraviolet damage by breaking down the rubber compounds. 

 - Don't apply any chemical treatments to Hoosier tires. (It's not necessary and may actually damage the integrity of the tire by breaking down the rubber properties of the tire.) Tires must not be allowed to come in contact with oils, greases, solvents, or other petroleum products that cause rubber to soften or deteriorate.

 - Don't store tires in sub-freezing temperatures for any length of time. (The rubber can freeze and may crack as a result.) (Top)

4. I would like to sell Hoosier tires in the US or Canada, how do I become a Hoosier Tire Dealer? 
Hoosier has an established network of independent Hoosier Distributors. They, in turn, establish their own network of Hoosier Dealers. You will need to contact the Hoosier Distributor in your area who handles the particular tire line you are interested in carrying. You will ask the Distributor whether they have a need for a dealer in your particular location.
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5. How do Hoosier compounds compare to other manufacturers?

Dirt Oval  

  

Hoosier
Compound

Cold
Durometer

Cross
Reference

   D10 35-38 Burris SS11
   D20A 43-46 Burris SS22
   D30 48-51 Burris SS33
   RD30 51-53 Vega MAS
   D40A 57-59 Maxxis HT3
   D50 65-67 Burris SS-55
   D60 61-64 Firestone YJF
  

Asphalt Oval  

  

Hoosier
Compound

Cold
Durometer

Cross
Reference

   A30A 51-53 Vega MAS
   A30 49-51 Dunlop DCS
   A40A 55-57 Firestone YFA
   A40 57-59 Firestone YGF
  

Sprint & Road Race  

  

Hoosier
Compound

Cold
Durometer

Cross
Reference

   R50 68-70  MG-FZ
   R60 62-64 Bridgestone YHC
Hoosier "D" compounds are designed for dirt racing.
Hoosier "A" compounds are designed for asphalt racing.
Hoosier "R" compounds are designed for sprint and road racing.
Hoosier "D" and "A" compounds can be used for indoor racing as needed.    
  
6.   How are the Hoosier Kart & Quarter Midget tires sized?
The kart and quarter midget tire nomenclature is defined as follows: 
Circumference/Tread Width - Bead Diameter Size. Take for example a 35/7.1-6 size tire. The "35" is the circumference of the tire, the "7.1" is the tread width, and the "6" is the bead diameter size. All of these measurements are in inches and are measured on the recommended wheel width. To view each tire size and their specifications, click on the section marked "Specs" located under the Kart & Quarter Midget section of the Hoosier Tire website.
  
  
7.   What method should I use to mount a Hoosier kart or quarter midget tire?

For Oval Kart and QM Racing:

Mount the tire onto the rim with the white “HOOSIER” logo facing toward the outside of the car. Once the tire is on the rim, we recommend placing the tire inside a mounting ring and adjusting the ring to fit snug around the tire. We highly advise using the mounting ring as we believe not using it can over stretch the carcass leading to inconsistent sizing. Once the tire has seated onto the rim, it is important the tire be initially stretched to about 10 psi over starting cold pressure to get the tire to its proper “profile”. The tire should be set at this pressure for a few minutes and then dropped to the desired race pressure. Just be consistent in this procedure to get repeatable results.

For Sprint and Road Racing:

The 7.1/11.0-5 and 7.1/11.0-6 tire sizes have a directional mounting. These kart tires are branded with a directional arrow on both sides of the tire’s sidewall.  The tire should be mounted on the wheel so that it rotates in the direction of the arrow once the tire is affixed to the kart. Front tire sizes 4.5/10.5-6 and 4.5/10.0-5 can me mounted with the “HOOSIER” logo facing toward the outside of the kart.

Once the tire is on the rim, we recommend placing the tire inside a mounting ring and adjusting it to fit snug around the tire. We highly advise using the mounting ring as we believe not using it can over stretch the carcass leading to inconsistent sizing. Once the tire has seated onto the rim, it is important the tire be initially stretched to about 10-15 psi over starting cold pressure to get the tire to its proper “profile”. The tire should be set at this pressure for a few minutes and then dropped to the desired race pressure--just be consistent in this procedure to get repeatable results.  

  

Hoosier Racing Tire

Tires Designed For Champions

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