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tire pressure's?

Discussion in '360/430' started by bocaf430, Dec 28, 2014.

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  1. bocaf430

    bocaf430 Formula 3

    Jun 10, 2014
    1,361
    LI, boca raton
    #1 bocaf430, Dec 28, 2014
    Question for the guys running Michelin tires in size 235/30/20 & 325/25/20 what tire pressure you running? Front tires are such low profile, I want to make sure I'm running with the best tire pressure's...
     
  2. spourreza

    spourreza Formula Junior

    Dec 28, 2013
    596
    Mount Olive Twp, NJ
    Full Name:
    S.Pourreza
    #2 spourreza, Dec 28, 2014

    34 in front. 36 psi in rear but mine are 19s that came with car.
     
  3. bocaf430

    bocaf430 Formula 3

    Jun 10, 2014
    1,361
    LI, boca raton
    #3 bocaf430, Dec 29, 2014
    bump
     
  4. Ingenere

    Ingenere F1 Veteran
    Owner Silver Subscribed

    Dec 11, 2001
    6,432
    On the Limit
    Full Name:
    Dino
    #4 Ingenere, Dec 29, 2014
    The CS is 31F/29R
     
  5. sunir

    sunir Formula Junior

    Oct 30, 2014
    758
    MD
    Full Name:
    Sunir
    #5 sunir, Jan 1, 2015
    Door jamb sticker ussually has the Ferrari recommended tire pressures.
     
  6. bocaf430

    bocaf430 Formula 3

    Jun 10, 2014
    1,361
    LI, boca raton
    #6 bocaf430, Jan 2, 2015
    Yeah.. I was just wondering if the pressures for my 20" wheels/tires should be the same as the STOCK size pressure's...
     
  7. SCKOMS

    SCKOMS F1 Rookie
    Silver Subscribed

    Oct 21, 2011
    3,900
    Lake County, IL
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    Spiro
    #7 SCKOMS, Jan 2, 2015
    Call Michelin and ask them.
     
  8. bocaf430

    bocaf430 Formula 3

    Jun 10, 2014
    1,361
    LI, boca raton
    #8 bocaf430, Jan 3, 2015
    ok so I called Michelin, spoke with a person on the phone that said he had to calculate the correct pressures for my car, which I told him was a 2005 F430 spider with the custom 20" wheels and my tire sizes,,235/30-20" & 325/25-20" .. He tells me the fronts should be 35psi and the rears 29 psi, prior to calling them I had sent an e-mail asking for the correct needed psi for my car.. same information... today I get an e-mail back saying the car should be set at stock tire pressures which they said should be 32 psi front and 35 psi rears.... go figure..2 different people and 2 different answers..lol
     
  9. tazandjan

    tazandjan Three Time F1 World Champ
    Lifetime Rossa Owner

    Jul 19, 2008
    39,019
    Clarksville, Tennessee
    Full Name:
    Terry H Phillips
    #9 tazandjan, Jan 3, 2015
    I would use the 32 and 35 as a starting point and adjust from there as you drive her.
     

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