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60 psi?

Discussion in 'Technical Q&A' started by brent Lachelt, Oct 30, 2004.

  1. brent Lachelt

    brent Lachelt Formula 3
    Silver Subscribed

    Dec 6, 2003
    1,810
    Brownsburg, INDIANA
    Full Name:
    Brent R.Lachelt
    My 328 has a mini spare tire that says inflate to 60 psi. The manual says the same. Has anybody done this? Seems scary for such a tiny tire
     
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  3. IceSkater

    IceSkater Rookie

    Nov 24, 2003
    31
    Western Mass
    Full Name:
    Tony C
    My 89 TR has a Goodyear mini spare with the same 60 psi spec for pressure. I haven't had any problems.
     
  4. dm_n_stuff

    dm_n_stuff Global Moderator
    Global Moderator Lifetime Rossa Owner

    Dec 10, 2003
    36,618
    The Sunshine State
    Full Name:
    Dave
    All those mini spares inflate to high PSI.

    The one on my son's Honda inflates to 60PSI, so does the one on the VW Cabrio that my daughter drives.

    Hell, for that matter my bicycle tire inflates to 100PSI. Maybe the smaller the diameter, or radius, or whatever determining measurement you use, the higher the PSI required to keep it on the tread, and off the sidewall.

    There has to be an engineer here somwhere who can explain this.
     
  5. scott1967

    scott1967 Karting

    Jul 12, 2004
    148
    Tampa, FL
    Full Name:
    Scott
    Brent - I just recently inflated my to 60 psi. No problem. I have an 86 328 GTS.

    Scott
     
  6. brent Lachelt

    brent Lachelt Formula 3
    Silver Subscribed

    Dec 6, 2003
    1,810
    Brownsburg, INDIANA
    Full Name:
    Brent R.Lachelt
    Thanks guys. I inflated it to 60 psi while I was closing my eyes! Everything was fine.
     
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  8. don_xvi

    don_xvi F1 Rookie

    Nov 1, 2003
    2,920
    Outside Detroit
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    Don the 16th
    Brent-- You should go check the spares in you other car(s).
    They may all need more air!
     
  9. vlamgat

    vlamgat Formula Junior

    Jan 9, 2004
    776
    Our company jet tire is the size of a wheel barrow and its inflation is 120 psi. Horses for courses !
     

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