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Anyone know if Model 3 tires have foam inserts?

Discussion in 'Model 3' started by Garlan Garner, Jul 17, 2018.

  1. Garlan Garner

    Garlan Garner Well-Known Member

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  2. ucmndd

    ucmndd Member

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    Tested: Do Acoustically Insulated Tires Really Hush Road Noise? – Feature – Car and Driver

    My first-hand experience is the foam is nothing but a gimmick with negligible benefit and considerable downside when you take your punctured tire to $RandomTireShop and they stare as if it were mounted to a space ship then flatly refuse to touch it.

    You don't "purchase" the foam to put in the tires. The tires either come foam-lined or they don't.

    Not sure about the Model 3 but I replaced the foam-lined OEM Goodyears with the non-foam-lined used-to-be-OEM Michelins on my MS and that was absolutely the right decision.
     
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  3. TEG

    TEG TMC Moderator

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    Yes, I think they do. Both the 18" (Michelin) and 19" (Continental) have noise reduction technology marks on the tires which I think means the foam.
     
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  4. UkrHog

    UkrHog Member

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    Yes, they do. I had one repaired.
     
  5. rtanov

    rtanov Member

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    The 18" do 20180427_180522.jpg
     
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  6. xpitxbullx

    xpitxbullx Member

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    I think this would also be another reason NOT to use Fix-a-Flat.
     
  7. M109Rider

    M109Rider Member

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  8. Knightshade

    Knightshade Active Member

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    I'd put noticeable in quotes after reading the results....either 0 or 1 db difference as measured during testing.

     
  9. M109Rider

    M109Rider Member

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    It’s not huge, but depending on the road conditions. Rumble strips, bumps, etc. it can make a 5-6 db difference.
    5-6 dB is a pretty big deal, even to your ear.
     
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  10. JeffK

    JeffK Well-Known Member

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    Huge problem with this "test" they are measuring noise from only within the cabin.
     
  11. M109Rider

    M109Rider Member

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    Isn’t that where noise should be measured ?
     
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  12. trm2

    trm2 Member

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    Not if you are trying to sneak up on someone. :)
     
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  13. JeffK

    JeffK Well-Known Member

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    Depends if you're driving with the windows up or down.

    If you want to measure how much noise a tire makes it should be done at the source.
     
  14. M109Rider

    M109Rider Member

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    I think if anyone felt there was too much noise, the first thing they would do is close the windows.
    After that, you would want a quiet cabin.
     
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  15. JeffK

    JeffK Well-Known Member

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    True, but the article in car and driver was measuring if there was a difference between the two tires. Unfortunately they only measured from within the cabin and therefore did not get an accurate measurement if the foam is really reducing road noise from the tire itself. Continental argues it could be as high as 9 dB difference.
     
  16. daranello

    daranello Member

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    I’d this a Tesla part or Michline? When tires are worn do you keep the foam?
     
  17. JeffK

    JeffK Well-Known Member

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    It's glued to the inside of the tire. It's manufactured that way from the tire manufacturer.
     
  18. Baymax3

    Baymax3 Member

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    Can you elaborate on "noise reduction technology marks"? What are these? A picture would be nice.
     
  19. TEG

    TEG TMC Moderator

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