F430 Long term test with unplugged exhaust bypass valves | FerrariChat
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F430 Long term test with unplugged exhaust bypass valves

Discussion in '360/430' started by SfefVan, Jan 5, 2010.

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  1. SfefVan

    SfefVan Guest

    Nov 28, 2008
    1,370
    Switzerland
    Full Name:
    Stef
    #1 SfefVan, Jan 5, 2010
    Hi all,

    What is your experience after having removed the hoses from the exhaust bypass valves for a while? Did you experience any problems since?

    I've removed mine since a while and for now couldn't see any problem at all. Although, I always cold start my 430 with the hoses plugged in just in case of there would be too much air sucked in the cats. Once the engine warmed up, I remove them. I got so addicted to the great noice that I can't imagine driving her without it. Never had a CEL (no reasons it would), neither power loss. With the bypass valves permanently open, the engine is even much more progressive and responsive.

    Would love to have your return of experience too on this matter.

    Cheers,
    Stef
     
  2. RAKLAW

    RAKLAW Formula Junior

    Mar 22, 2009
    407
    Westchester,NY & Sarasota FL
    Full Name:
    RAK
    #2 RAKLAW, Jan 5, 2010
    3000+ miles no issues..
    I leave mine unpluged all the time. I would not be happy about the prospect of pulling off the road and reaching into a hot engine bay near the exhaust muffler and fooling around trying to replug the valves,.... unless I am missing something in your post.
     
  3. SfefVan

    SfefVan Guest

    Nov 28, 2008
    1,370
    Switzerland
    Full Name:
    Stef
    #3 SfefVan, Jan 5, 2010
    Sorry, I wasn't clear enough in my previous post. Actually, I'm pulling them off before getting the car out of the garage after having warmed up the engine during 5/10 min. The muffler is then still not very hot and it remains easy the pull off the vacuum hoses. I did this for about 7.000 km and so far, so good.
     
  4. RAKLAW

    RAKLAW Formula Junior

    Mar 22, 2009
    407
    Westchester,NY & Sarasota FL
    Full Name:
    RAK
    #4 RAKLAW, Jan 5, 2010
    You may want to read this thread in the TECHNICAL Q&A section

    warming up the car in the winter ( 1 2)
     
  5. Caholo1

    Caholo1 Rookie

    Jan 5, 2006
    38
    Alamo, California
    Full Name:
    Terry
    #5 Caholo1, Jan 5, 2010
    Unpluged my hoses the second day I had the car and 33,000 miles later no problems.

    P.S. The car gets faster with more miles.
    Don't tell anyone.
     
  6. SfefVan

    SfefVan Guest

    Nov 28, 2008
    1,370
    Switzerland
    Full Name:
    Stef
    #6 SfefVan, Jan 6, 2010

    33.000 miles without the bypass valves plugged! whaaw, are you a daily driver? How your car gets faster with that many miles? This interests me ;)
     
  7. Modenafan

    Modenafan F1 World Champ
    Lifetime Rossa Owner

    Dec 19, 2004
    12,069
    Moorpark
    Full Name:
    Jon
    #7 Modenafan, Jan 6, 2010
    17k miles on my CS and 3k miles on the Scud with no problems.
     
  8. SKXF430

    SKXF430 Karting

    Oct 19, 2004
    164
    W. Los Angeles
    #8 SKXF430, Jan 6, 2010
    maybe a little loss of hearing but no ill affects to the car. :)
     
  9. 2000YELLOW360

    2000YELLOW360 F1 World Champ

    Jun 5, 2001
    19,800
    Full Name:
    Art
    #9 2000YELLOW360, Jan 7, 2010
    The motor gets broken in, less friction, and therefore makes more power. Commonly known fact, that as the motor breaks in, and all the metal seats in, the amount of friction drops off, and it makes more power. A good reason to change the oil more frequently during the first few thousand miles. In my plane, when we rebuild the motors, we change the oil at one hour, 5 hours, and 25 hours. You'd be surprised at how much metal you find in the first 1 or 2 oil changes, and then after it's is seated, how little metal you get.

    Art
     

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