19in 430 WHEELS ON A 360 HOW MUCH IS THE SPEEDO OFF | FerrariChat
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19in 430 WHEELS ON A 360 HOW MUCH IS THE SPEEDO OFF

Discussion in '360/430' started by dbl, Feb 6, 2011.

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  1. dbl

    dbl Rookie

    Nov 10, 2010
    46
    Houston
    Full Name:
    Smoking Aces
    #1 dbl, Feb 6, 2011
    As it said in the title could someone help me out.
     
  2. cig1

    cig1 F1 Rookie

    May 3, 2005
    2,914
    In front of you
    #2 cig1, Feb 6, 2011
    Depends on the tire selected ... there could be no difference

    G
     
  3. netman

    netman Formula 3

    Jun 17, 2008
    1,905
    OC SoCal
    #3 netman, Feb 6, 2011
    Last edited by a moderator: Sep 7, 2017
    I have 430 wheels on my 360 and notice no difference. I did notice that my speedo states 8mph faster than what my GPS shows. This remains unchanged even with the 430 wheels
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  4. Akram

    Akram Formula Junior

    Aug 17, 2009
    352
    Clive, Iowa
    Full Name:
    Ray Salloum
    #4 Akram, Feb 6, 2011
    Last edited by a moderator: Sep 7, 2017
    I have seen no difference on my 360. The F430 rims with the recommended tires are the same height as my old Facory 360 Rims and so I assume there is no difference in MPH. Your GPS is not accurate as far as speed and should not be used to figure out anything other than how to get places.
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  5. DonJuan348

    DonJuan348 F1 Rookie
    Owner

    Aug 5, 2008
    4,442
    Taxing Jersey
    #5 DonJuan348, Feb 6, 2011
    its depends on tire size ...mine is about 4 mph off
     
  6. FerrariDublin

    FerrariDublin F1 Rookie

    Jun 14, 2009
    3,454
    Dublin, Ireland
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    Greg
    #6 FerrariDublin, Feb 6, 2011
    On the contrary, a GPS unit should give highly accurate speed readings, far more so than the typical over-reading provided by enthusiastic speedos!
     
  7. hardtop

    hardtop F1 World Champ

    Jan 31, 2002
    11,294
    Colorado
    Full Name:
    Dave
    #7 hardtop, Feb 6, 2011
    Your speedo changes only if the diameter of the wheel/tire combo changes.

    Dave
     
  8. Akram

    Akram Formula Junior

    Aug 17, 2009
    352
    Clive, Iowa
    Full Name:
    Ray Salloum
    #8 Akram, Feb 6, 2011
    Sorry, what I meant was the F430 rims with the recommended tires are the same height as my old factory 360 rims and tires. The diameter is the same on both sets.
     
  9. dbl

    dbl Rookie

    Nov 10, 2010
    46
    Houston
    Full Name:
    Smoking Aces
    #9 dbl, Feb 6, 2011
    thanks a lot
     
  10. netman

    netman Formula 3

    Jun 17, 2008
    1,905
    OC SoCal
    #10 netman, Feb 6, 2011
    Akram
    How do you figure your speedo to be more accurate than a triangulation of coordinates between at least 3 satellites and a vehicle equiped with a receiver to measure information received from all the above.
     
  11. raywong

    raywong Formula Junior

    Aug 29, 2004
    673
    Hong Kong
    Full Name:
    Raymond
    #11 raywong, Feb 7, 2011
    There are many tire size calculator apps and online ones are free. Give it a try
     

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