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Thoughts on tires 245/30ZR20 & 325/30ZR20?

Discussion in '360/430' started by MySuccess, Oct 12, 2019.

  1. MySuccess

    MySuccess Rookie

    Mar 30, 2019
    8
    Sweden
    Full Name:
    Jan Johansson
    Hi

    I am choosing tires for my new wheels 9"/20" front & 12"/20" rear and are looking at Michelin Pilot Sport Cup 2 245/30ZR20 (front) & 325/30ZR20 (rear). If my calculation is correct the diameter is 15 mm more for front and 21 mm for rear.

    Does anyone have experience of this tires or tire sizes for a F430? Other thoughts?
     
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  3. CaptOharry

    CaptOharry Formula Junior

    Jan 4, 2009
    720
    Green Cove Spgs FL
    Full Name:
    Harry Welch
    On my 360 I have 235/35ZR/19 front & 345/25ZR/20 in the rear mine are INVO NITO.
     
  4. c6vette

    c6vette Karting

    Jun 4, 2009
    118
    St. Petersburg
    I think you are just carrying extra weight. You don’t need a rear that wide
     
  5. Flyingbrick242

    Flyingbrick242 Formula Junior
    Silver Subscribed

    Feb 26, 2017
    314
    So. Cal
    Tires will be in my future...how do you like your Nittos?
    Dry performance and overall comfort?
    Thanks
     
  6. Fenz

    Fenz Karting

    Nov 8, 2018
    134
    Team Europe
    Full Name:
    JH
    245-30-20 front and 325-25-20 rear are the most common 9/12x20" sizes for F430.
     
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  8. Fenz

    Fenz Karting

    Nov 8, 2018
    134
    Team Europe
    Full Name:
    JH
    Many 12x20" forged wheels are lighter or equal to the OEM F430 10x19 weight..
     
  9. CaptOharry

    CaptOharry Formula Junior

    Jan 4, 2009
    720
    Green Cove Spgs FL
    Full Name:
    Harry Welch
    Overall very pleased with them,only put around 1500 miles on them.
     
  10. The4DA

    The4DA Karting

    Aug 31, 2018
    51
    TX/GA
    Full Name:
    RC
    I have 245/30, 325/25 Michelin PS4s. I like them a lot. Grip, ride comfort has been great so far. A 30 series for the rear at that width might be on the tall side. Just an FYI.
     
  11. hwyman

    hwyman Formula Junior

    Jun 25, 2015
    255
    Canada / Los Angeles
    I bought mine with 245/35r19 front and 325/30r19 rear and seems to work ok.... looks cool but I feel Im wasting a lot of HP just driving such big steam rollers. My Murci has 335 rears with 100 more hp and a lot more torque. Tempted to find some stock wheels. Its also lowered a lot so going to be raising it up
     
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  13. MySuccess

    MySuccess Rookie

    Mar 30, 2019
    8
    Sweden
    Full Name:
    Jan Johansson
    Thanks for all the information! I will choose 245/30ZR20 & 325/25ZR20. I am aware that this changes of the wheel effects weight and I will post again when I have more information.

    I do not think stock wheels will make the car lower, in the front it is actually a small increase in diameter with the 245/35r19 compared to OEM
     
  14. hwyman

    hwyman Formula Junior

    Jun 25, 2015
    255
    Canada / Los Angeles
    Yeah, I need to raise the springs on the perch.. previous owner put scud springs on and wound the perch way down.
     

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