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What's the current recommended PSI for 21" wheels on P85D?

Discussion in 'Model S: Driving Dynamics' started by commasign, Jul 19, 2016.

  1. commasign

    commasign Active Member

    Joined:
    Aug 31, 2013
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    1,290
    Location:
    Davis, CA
    Upgraded from 19" cyclones to 21" turbines. ContiSportContact 245 square setup. The user manual no longer states recommended pressures. What's the current recommendation? 42 PSI?
     
  2. beegee

    beegee Member

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    Jun 14, 2013
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    Location:
    Wentzville, MO
    Mine says 42 psi in the door sill- assuming it is the same as a P85.
     
  3. Skione65

    Skione65 Member

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    May 5, 2016
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    323
    Location:
    Kentucky
    Are you guys running Nitrogen or O2 in your MS tires?

    Ski
     
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  4. commasign

    commasign Active Member

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    Davis, CA
  5. linkster

    linkster Member

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    Apr 22, 2013
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    Location:
    USAX2
    I prefer to fill my tires with a very special mix of approx 78% Nitrogen, approx 21% Oxygen, and a small bit of other 'stuff'.
     
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