BB and BBi - wheel balancing and alignment w/vintage tires | FerrariChat
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BB and BBi - wheel balancing and alignment w/vintage tires

Discussion in 'Boxers/TR/M' started by NGTTwo, Sep 16, 2025 at 12:00 PM.

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  1. NGTTwo

    NGTTwo Rookie

    Yesterday
    2
    Northeast
    Full Name:
    Basel Basel
    #1 NGTTwo, Sep 16, 2025 at 12:00 PM
    I have a BB here which wears new but period correct XWX tires - 215/50-70 and 225/50-70 if I'm not mistaken. Tires are probably ~2 years old.

    Getting a front - right side vibration at around 60-70 mph and appears (?) to be tire related. I was surprised to see that none of the wheels have any balance weights on them.

    Does this seem incorrect?
     
  2. NGTTwo

    NGTTwo Rookie

    Yesterday
    2
    Northeast
    Full Name:
    Basel Basel
    #2 NGTTwo, Sep 16, 2025 at 3:09 PM
    Sorry typo above 215/70-15, 225/70-15 for the tire sizes...
     
  3. bjunc

    bjunc Formula Junior

    Jun 18, 2023
    500
    Miami, FL
    Full Name:
    Robert
    #3 bjunc, Sep 16, 2025 at 4:33 PM
    I would think it's more likely that you had weights that fell off.
     
  4. ago car nut

    ago car nut F1 Veteran
    Silver Subscribed

    Aug 29, 2008
    5,523
    Madison Ohio
    Full Name:
    David A.
    #4 ago car nut, Sep 17, 2025 at 11:06 AM
    Very rarely tires balance without weights. Then again, if you shift the tire on the machine it could change. I watched tire guy spin balance my DD tires on the machine. Drive it, and vibration at certain speed. Bring it back and get it rebalanced. Maybe his machine is the problem? Or like above, maybe weights fell off. There are some newer machines that balance with a type of road device!
     
  5. fatbillybob

    fatbillybob Two Time F1 World Champ
    Consultant Owner

    Aug 10, 2002
    29,255
    socal
    #5 fatbillybob, Sep 17, 2025 at 12:59 PM
    1- balance the wheel/tire combo
    2- check shocks
    3-check a-arm bushings
    4-check steering rack bushings
    5-check ball joints
     

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