Diablo with Murci wheels: centering rings needed or are the centerbores the same? | FerrariChat
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Diablo with Murci wheels: centering rings needed or are the centerbores the same?

Discussion in 'LamborghiniChat.com' started by Auraraptor, Sep 14, 2025 at 6:16 PM.

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  1. Auraraptor

    Auraraptor F1 World Champ
    Lifetime Rossa Owner

    Sep 25, 2002
    14,112
    MO
    Full Name:
    Omar
    #1 Auraraptor, Sep 14, 2025 at 6:16 PM
    My 6.0 phone dials are 8.5 x 18 ET63 | 13 x 18 ET24.5 with a 5x120 bolt pattern

    Random websites on the net says CB is 70.06 mm while murci centerbore is 72.6mm

    That seems suspect. What is the actual centerbore on Diablo and Murci/LP640/LP670 wheels?
     
  2. Auraraptor

    Auraraptor F1 World Champ
    Lifetime Rossa Owner

    Sep 25, 2002
    14,112
    MO
    Full Name:
    Omar
    #2 Auraraptor, Sep 14, 2025 at 8:46 PM
  3. Auraraptor

    Auraraptor F1 World Champ
    Lifetime Rossa Owner

    Sep 25, 2002
    14,112
    MO
    Full Name:
    Omar
    #3 Auraraptor, Sep 15, 2025 at 7:34 PM
    Pulled wheels and checked: they are both 70.0x mm
     
  4. tbakowsky

    tbakowsky Two Time F1 World Champ
    Consultant Professional Ferrari Technician

    Sep 18, 2002
    20,041
    The Cold North
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    Tom
    #4 tbakowsky, Sep 20, 2025 at 8:24 PM
    The wheel bolts are different required permanent mods to the Diablo hub.
     
  5. Auraraptor

    Auraraptor F1 World Champ
    Lifetime Rossa Owner

    Sep 25, 2002
    14,112
    MO
    Full Name:
    Omar
    #5 Auraraptor, Sep 20, 2025 at 10:15 PM
    ?? That seems like a bit of overkill. The Diablo uses M12 bolts about the same size as OEM BMW bolts of the time…12x1.5 tapered with a 25-27mm length.

    Murci uses M14x1.5 bolts.

    Just get M12 in the same size as the Murci bolt and your set? No need to retap the hub to a M14 size.
     

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