What's the real danger in driving a 355 with a cracked exhaust manifold | FerrariChat

What's the real danger in driving a 355 with a cracked exhaust manifold

Discussion in '348/355' started by Zanzibar, Sep 20, 2007.

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  1. Zanzibar

    Zanzibar Karting

    Jul 17, 2004
    119
    Here is my dilemma...

    I have just taken possession of my 1998 F355 Spider and I am ecstatic about it. The car has a crack in the RH side manifold -- something I knew when I inspected the car and which I used to bargain down the price. I ordered a rebuilt manifold from QV London, but that is only due in sometime next week. As next weekend promises to be dry and sunny, I am on pins and needles to drive my car. However... I have read that driving the car with a cracked manifold can result in lean fuel mixtures and subsequent engine failure. What is the real risk of driving the car this weekend with the cracked manifold? Would you, the experts, advice me, the novice, to just be patient and wait until the car is repaired? Or is it OK to take the car out for a couple of top down trips through our countryside, before the wet and chilly Belgian autumn sets in?

    Thanks for your advice!

    Regards,
    Rik Gruwez
    Bruges, Belgium
     
  2. Ricambi America

    Ricambi America F1 World Champ
    Sponsor Owner

    Everyone will say I'm an jerk-off..... but personally, I'd suggest parking the car and getting it fixed properly. Patience is critical in the Ferrari game, because impatience always costs more.

    I know from experience... my 348 is grounded for other reasons too -- despite the fact the engine runs and gears shift.
     
  3. Ricambi America

    Ricambi America F1 World Champ
    Sponsor Owner

    BTW: You live in Bruges? How cool !! I sure miss those yummy (and very juvenile) Suzy sugar waffles from the grocery.
     
  4. DIGMAN52

    DIGMAN52 F1 Rookie
    Owner Rossa Subscribed

    Jan 30, 2004
    4,092
    Dallas Texas
    Full Name:
    Philip C
    #4 DIGMAN52, Sep 20, 2007
    Last edited by a moderator: Sep 7, 2017
    I heard the ticking sound, knew the header was going out, and at a Concoursa/track day soon after I knocked a chunk out of a valve. It did need the valve guide redo at that time, but always thought the exhaust issue was the final straw. After new guides, redoing the heads, and getting the QV manifold fix, I have had 2 years of 355 bliss with no issues (knock on aluminum).
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  5. Zanzibar

    Zanzibar Karting

    Jul 17, 2004
    119
    So basically what you are saying is: "Do not drive the car until the manifold has been replaced". Right?
     
  6. Theo

    Theo Formula Junior

    May 6, 2002
    359
    Westford, MA
    Full Name:
    Theo Pappas
    Hi Rik,

    This was the same scenario when I bought my 98 355 F1 spider. After the PPI, both manifolds were cracked and needed repair. I bargained down the price for replacements (QV of london rebuilds) and it took about a week or so to get them in. I drove my car during that time and enjoyed the car. Nothing happened to the car during that time. However, I did not beat on it since I was careful. With that being said, I did not baby it either.

    I guess it depends on how comfortable you are with driving it.

    Theo
     
  7. f355spider

    f355spider F1 World Champ
    Owner Rossa Subscribed

    May 29, 2001
    18,044
    USA
    I would not risk it....though the damage may not be readily apparent, it is possible (though slight) it may weaken something or create damage that could have longer term consequences. I would error on the side of safety and wait.
     
  8. bpu699

    bpu699 F1 World Champ
    Owner Silver Subscribed

    Dec 9, 2003
    17,690
    wisconsin/chicago
    Full Name:
    bo
    I would suspect that the crack didn't develop 10 seconds before you bought the car :). The prior owner likely put many miles on it in its current condition...
     
  9. Ricambi America

    Ricambi America F1 World Champ
    Sponsor Owner

    ^^ I agree with Bo. However, the best possible outcome is that nothing gets worse. If that's the "best possible outcome", it just doesn't seem prudent, in my opinion, to drive. The "worst possible outcome" is the kind of problem that'll make your Ferrari experience short-lived, and quite painful financially.

    With QV London so close to Belgium (compared to us in the Colonies), I'd just send it there and then drive with confidence when it's all buttoned up.
     
  10. rllucero

    rllucero Formula Junior

    Jul 11, 2006
    559
    Santa Fe/San Diego
    Full Name:
    richontravel
    Rik, glad to hear you bought a car. Is this the one you were telling me about that was located in the UK? I will be in Antwerp again the later part of October, I'll give you a call. Enjoy your car, they are hoot to own.

    RL
     
  11. No Doubt

    No Doubt Seven Time F1 World Champ

    May 21, 2005
    72,740
    Vegas+Alabama
    Full Name:
    Mr. Sideways
    If the exhaust header is merely cracked a little bit, then have your local welder seal it up. It's just metal. You can easily fix it. Then drive it. Won't take 2 hours. Won't cost 100 Euros.

    However, if the exhaust header is "melted," then you'll need a more professional (read: expensive and time consuming) repair.
     
  12. Zanzibar

    Zanzibar Karting

    Jul 17, 2004
    119
    Hi there,
    I did go to the UK to check out a couple of cars, but eventually I bought one from a Porsche dealership in Strasbourg, France. It is a late 1998 Spider, manual transmission, assembly number over 30,000, Giallo Modena with Nero hides. It has 39,000 km now. Of the nine cars I test drove, it is the best one I could find.

    Regards,
    Rik
     
  13. Zanzibar

    Zanzibar Karting

    Jul 17, 2004
    119
    No, I do not think so. There was a fair amount of insulation material thrown all over the lower engine half, so I suppose the previous owner drove it for a while with the cracked manifold. Hopefully that didn't inflict too much damage.
    Regards,
    Rik
     
  14. Dr_ferrari

    Dr_ferrari Formula 3
    Consultant Professional Ferrari Technician

    Nov 2, 2003
    1,071
    Pocono Sportscar
    Full Name:
    Jim McGee
    Main problem that can occur from driving the car with the cracked manifold is that you can burn exhaust valves. I suggest replacement as soon as possible. Tubi makes a very nice header replacement for the 355 that is a little better priced that the OEM and just as good (if not better).


    best regards, Jim
     
  15. cuneo

    cuneo Formula 3
    Silver Subscribed

    Nov 20, 2006
    2,469
    don't spoil the Ferrari ownership experience by wrecking the engine because of impatience, dude. distance makes the heart grow fonder, and a well-sorted engine will make the heart fall in love all over again. Fix it, and rev it to the redline with full confidence, until something else breaks... man, I love the 355
     
  16. davehelms

    davehelms F1 Rookie

    Jan 3, 2004
    4,629
    Full Name:
    Dave Helms
    Park it until repaired.

    Dave
     
  17. gothspeed

    gothspeed F1 World Champ

    May 26, 2006
    10,244
    U.S.A.
    Full Name:
    goth
    If you feel like spending "quality time" with the car. You can do what a few others on here do instead of driving it......... :rolleyes: ........... and detail it inside and out to no end... :eek:!!!!!
     
  18. Bullfighter

    Bullfighter Two Time F1 World Champ
    Lifetime Rossa Owner

    Jan 26, 2005
    22,594
    Gates Mills, Ohio
    Full Name:
    Jon
    I concur. There's nothing more nerve-wracking than driving a Ferrari while worrying about Something Bad happening.

    Also, you negotiated for the car based on the manifold crack, so IMO you should honor your own 'commitment' and take care of it.
     
  19. Zanzibar

    Zanzibar Karting

    Jul 17, 2004
    119
    #19 Zanzibar, Sep 22, 2007
    Last edited by a moderator: Sep 7, 2017

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