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Valve guides and Headers

Discussion in '348/355' started by Jeff348, Sep 14, 2009.

  1. Jeff348

    Jeff348 Formula Junior

    Aug 2, 2005
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    jeff spezzano
    I ve been looking at 355's for a little while now. While I'm certainly no expert but I was talking to someone today and he mentioned something about a correlation between header problems and later valve guide problem. Incidently why am I seeing so many cars with past header problems. Is it actually all of them eventually have this problem? Thanks
     
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  3. 285ferrari

    285ferrari Two Time F1 World Champ
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    Sep 11, 2004
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    Robbie
    Jeff---There are tons of threads on this--just do a quick search above, it should bring alot of them up to read thru...
     
  4. Jeff348

    Jeff348 Formula Junior

    Aug 2, 2005
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    jeff spezzano
    Oh I forgot sorry. Thanks
     
  5. 355

    355 F1 Rookie
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    Jan 4, 2005
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    Frank
    #4 355, Sep 14, 2009
    Last edited: Sep 14, 2009
    The header problem is associated with the burning out of valves and washing of the sleeves which inturn wears out the sleeves and piston rings. I dont believe the valve guides are effected by the cracking and leaking headers. All the OEM headers will crap out if you leave the cats on. They back up too much heat and melt the headers which sooner or later crack. Extreme heating and cooling cycles do that.
     
  6. gothspeed

    gothspeed F1 World Champ

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    .................. glad to see you are considering a 355 ........... :)
     
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  8. Jeff348

    Jeff348 Formula Junior

    Aug 2, 2005
    607
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    jeff spezzano
    Thanks, I may have found one. I'm having a ppi next week.
     
  9. vvassallo

    vvassallo F1 Veteran

    Aug 4, 2006
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    Vince V
    Egad another defector to the gel hair conspiracy... :p
     
  10. gothspeed

    gothspeed F1 World Champ

    May 26, 2006
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    goth
    .............. you're next ............. :cool:
     

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