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Pre-Cat restriction

Discussion in '456/550/575' started by bbshriver, Feb 15, 2008.

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  1. bbshriver

    bbshriver Karting

    Feb 11, 2008
    121
    #1 bbshriver, Feb 15, 2008
    Was 2000 the year that Ferrari introduced the pre-cat restriction?
    Just wondering if my 99 would have that or not.

    Thanks,
     
  2. Jsuit

    Jsuit Formula 3

    Jul 12, 2005
    1,178
    East Coast
    Full Name:
    John
    #2 Jsuit, Feb 15, 2008
    2000 Was the first year.

    99 550 0-60 4.2s
    2000+ 550 0-60 4.7s

    Harmony makes a solution for this.
     
  3. 3wink

    3wink Rookie

    Nov 24, 2007
    13
    North shore
    #3 3wink, Feb 16, 2008
    Why did Ferrari introduce the pre-cat restriction? Was it simply to comply with more restrictive emissions requirements? Or were there other benefits that offset the loss in acceleration? Thanks.
     
  4. Harmonyautosport

    Harmonyautosport Formula Junior

    Apr 28, 2006
    683
    New York
    #4 Harmonyautosport, Feb 16, 2008
    Last edited by a moderator: Sep 7, 2017
  5. bbshriver

    bbshriver Karting

    Feb 11, 2008
    121
    #5 bbshriver, Feb 16, 2008
    Hey harmony, I e-mailed you a couple of days ago asking what products you have for the 550, since you only have 360 parts on your website...
    What all do you have available?
    Are the "race" manifolds/headers an improvement over the stock "non restricted" headers?
    Do you have dyno/performance numbers to show the difference?

    Thanks
     
  6. Harmonyautosport

    Harmonyautosport Formula Junior

    Apr 28, 2006
    683
    New York
    #6 Harmonyautosport, Feb 16, 2008
    I will shoot you back an email with a product list Monday.
     
  7. JC 550M

    JC 550M Karting

    Feb 22, 2008
    209
    Murrieta
    Full Name:
    JC
    #7 JC 550M, Feb 28, 2008
    I have a 98, can yoou shoot that listing of performance parts to me as well?
    Thanks
    JC
     
  8. SonomaRik

    SonomaRik F1 Veteran

    Dec 15, 2006
    6,904
    Folsom, CA (formerly Sonoma)
    #8 SonomaRik, Feb 29, 2008
    but how far off a 456 would these 550 products be? Would some items be valid for the 456?
     
  9. hakan

    hakan Karting

    Aug 30, 2006
    119
    Istanbul
    Full Name:
    Hakan Aytac
    #9 hakan, Mar 10, 2008
    yeah would 550 stuff fit on 456 ? can list what you have available for 456 please
    thanks
     

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