Directional or not?

Discussion in 'SRT Hellcat Wheels and Tires' started by rrroscoe, Apr 11, 2016.

  1. rrroscoe

    rrroscoe Silver Member

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    Are the P zero summer tires directional? When I took them off to put on the winters, I marked which ones were on the back and the front, but not which side. I figured they were directional with the markings on the sidewall, but I don't see the designation. Am I missing something?
     
  2. TNCHARGER

    TNCHARGER SRT Hellcat Supporter Gold Supporting Member

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    I cant remember if they are or not. Look on the side wall. It will tell you if the have to roll one way. It will also tell you which side faces out.
     
  3. rrroscoe

    rrroscoe Silver Member

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    I see the "outside" marking, but nothing for direction.
     
  4. Tire God

    Tire God Hellcat Member

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    No. They are asymmetrical (not symmetric). There is an outside and inside marking. But it doesn't matter where you put them because no matter what the outside will be outside.
     
  5. rrroscoe

    rrroscoe Silver Member

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    Thanks
     
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  6. Racist Cat

    Racist Cat Silver Member

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    This is deep. Haha.

    Sounds silly, but it is what it is.
     
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  7. TNCHARGER

    TNCHARGER SRT Hellcat Supporter Gold Supporting Member

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    Since there is no "direction" arrow or other indication of direction it is not directional as Tire God said..
     
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  8. solo7777

    solo7777 SRT Terminator Hellcat Car Club Western Regional President HCC Charter Member

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    Directional couldn't happen if they are rotatable.
     
  9. Tire God

    Tire God Hellcat Member

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    Directional tires are rotatable. Just can't cross them(unless you flip them on the rims). They have to stay on the same side of the car. The only exception is the few tires like the Goodyear Eagle F1 G2 for the Camaro ZL1, Corvette Grand sport, they are staggered fitment, asymmetrical, and directional. Meaning there are 4 part numbers each labeled rf,rr,lr,lf. There might be one other tire like that but I can't remember.
     
  10. solo7777

    solo7777 SRT Terminator Hellcat Car Club Western Regional President HCC Charter Member

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    The rotation pattern for the Hellcat does not lend to directional tires.
     
  11. Tire God

    Tire God Hellcat Member

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    Yes the preferred rotation pattern is to cross the tires so that every tire visits each position eventually. And that is for all cars(except special fitments). But if you have directional tires you can still move front to back just can't cross them. But most tire manufacturers have done away with directional tires anyway, it's actually an old design and is not near as good performance wise in the wet or dry as current asymmetrical tires. Plus directional tires tend to wear uneven due to the tread pattern, lack of being able to cross them (unless you flip them on the rims), and performance alignment settings. They get choppy, cupping wear. It's best to run a summer tire like the Pirelli PZero. The only current tires that need that design are the drag radials because they have to have a small amount of water evacuation capabilities to be street legal. Like the Nitto NT555R, NT05R, MT ET street SS, ect. But these tires wear out completely, and quickly so you don't have to worry about tread design or rotation patterns haha.
     
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