MPSS Tyres 235 & 295 | FerrariChat

MPSS Tyres 235 & 295

Discussion in '360/430' started by RobScud, Aug 9, 2014.

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  1. RobScud

    RobScud Karting

    Dec 29, 2010
    158
    Full Name:
    Rob
    Hi,

    Read a few threads about owners using 235/35/19 (F) and 295/35/19 (R) MPSS tyres on their 430 and CS's.

    However I've also read that -

    235 can rub on arches and 295 go beyond the limits of a 10" wheel.

    Would like to hear about owners experiences running these sizes please?

    Thanks
     
  2. DrDon

    DrDon F1 Rookie
    BANNED

    Jul 11, 2012
    3,627
    Infractionville
    Full Name:
    Armando Decredenza
    #2 DrDon, Aug 9, 2014
    Last edited by a moderator: Sep 7, 2017
    Curious about the 295 issue as well.

    As for the 235, many of us have had our fenders "rolled" which take the lip and turns it out and up. This results in more clearance.

    This is an example of the tool - most good exotics body shops will have one.
    Image Unavailable, Please Login
     
  3. tazandjan

    tazandjan Three Time F1 World Champ
    Lifetime Rossa Owner

    Jul 19, 2008
    39,195
    Clarksville, Tennessee
    Full Name:
    Terry H Phillips
    Rob, Armando- For the rim width question, just look it up in the specs section in TireRack's tables on the MPSS. 295/35 19 MPSS recommended rim width is 10-11.5", so no sweat on OEM 10" wide wheels.

    On the fronts, trial and error.
     
  4. arizonaitalian

    arizonaitalian Two Time F1 World Champ
    Owner Silver Subscribed

    Oct 29, 2010
    20,511
    Wyoming
    Not MPSS, but many of us run RE-11 in 235 front with no problem on CS anyways.
     
  5. Need4Spd

    Need4Spd F1 Veteran

    Feb 24, 2007
    6,678
    Silicon Valley
    A lot depends on the particular car and the exact contours of the tire. On my car, I had to roll the fenders in front to clear RE-11s in stock sizes and with stock starfish wheels. The RE-11 is very square shouldered. Others claim not to have had this problem, though it's common to see 360s with fender lip damage at the 12 o'clock position (look carefully and often you will see some bowing at that point).
     
  6. Teachdocs

    Teachdocs Formula Junior

    Sep 3, 2012
    568
    Kansas City area
    Full Name:
    Chad
    Also depends a lot on ride height settings and camber. Most cars from the factory are way out from spec and years of driving will change things too.
     

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