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Black streaked whitewalls.

Discussion in 'The Hokey Ass Message Board' started by D-man313, Aug 3, 2013.

  1. D-man313
    Joined: Mar 17, 2011
    Posts: 1,163

    D-man313
    Member

    I have a set of diamondback WWWs on my truck. Took it out last night for a drive got caught in the rain. When I went out to the garage this morning I saw black streaks on the front tires. Nothing on the back. There's disks up front drums in the back. I didn't know if it was break dust or what? It looks like it came out from between the rim and tire and went outward. Cleaned off easily. Just wondering what it could be. Has anyone else had this happen?

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    ImageUploadedByH.A.M.B.1375557719.432964.jpg
    ImageUploadedByH.A.M.B.1375557733.202343.jpg



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  2. that's probably lubricant they use to mount tires. it dries in there and when it gets wet again, well, you know...
     
  3. tfeverfred
    Joined: Nov 11, 2006
    Posts: 15,791

    tfeverfred
    Member Emeritus

    Science 101. The inside of the tire is dirty and even though you don't realize it, the tire is not completely air tight. The high speed rotation of the tire, spins the combination of dirt and condensation between the rim and tire. Thus, those black streaks.

    The Science Guy
     
  4. Rattle Trap
    Joined: May 11, 2012
    Posts: 358

    Rattle Trap
    Member

    The dirt has been doing that same thing for a very long time. A little centrifugal force works wonders.
     

  5. D-man313
    Joined: Mar 17, 2011
    Posts: 1,163

    D-man313
    Member

    That's what I wondered. I just didnt notice it on the black walls before. How come its only on the front tho?


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  6. Rattle Trap
    Joined: May 11, 2012
    Posts: 358

    Rattle Trap
    Member

    Are you running front disc brakes? The front wheels are picking up more dirt off the road? Who knows
     

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