My NGT Disaster | Page 3 | FerrariChat

My NGT Disaster

Discussion in '360/430' started by mikegr, Dec 21, 2012.

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  1. rustybits

    rustybits F1 Rookie
    Professional Ferrari Technician

    Jan 28, 2007
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    Eddie B
    Hmm? Cam variator failure straight after the exhaust replaced.....possible I suppose but I'd wager that the odds would be extremely slim..
    Please explain the supposed failure, has it sheared at the base (which is their main failure mode) accommpanied by total loss of one running bank? Has the variator stuck in one position? Any codes? If you can give us a bit more information, codes, adaptive values etc, we may be able to offer advice which might be more use....
     
  2. mikegr

    mikegr Formula Junior

    Jul 3, 2012
    414
    Europe
    Thank you for your contribution.
    My last information , since garage was closed today, is that car with the OEM exhaust now has the same symptoms:
    Needs a few attempts to start. When it does so, there is a big cloud of white smoke with unstable idle. On road, works and sound muted. No error codes on last check. We are going to have spark plugs checked on Monday to see if they are smoked, since Tubi had a problem and couldnt let the smoke come out properly
     
  3. rustybits

    rustybits F1 Rookie
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    Sorry to hear you are still having problems. Please let us know what they find!
     
  4. FerrariDublin

    FerrariDublin F1 Rookie

    Jun 14, 2009
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    Greg
    Hi MikeGR,

    Sorry to read of your problems.

    It's possible that some wires were interfered with by accident when your exhaust was exchanged and that the engine is perfectly fine (mechanically) but is not firing correctly.

    A very simple test that you can perform which I find to be useful is to check the temperature of the exhaust immediately it exits the cylinder head. Use an infra red thermometer. If you have a cylinder (or bank) that isn't firing properly it will be evident from the temperature very quickly. Start the car from cold and then measure each exhaust port as close as possible to the exit from the head. Temperature should climb quickly and relatively evenly on all ports, if you have a misfiring cylinder or bank it will be obvious within a two minutes of start up.

    Best of luck.
     
  5. mikegr

    mikegr Formula Junior

    Jul 3, 2012
    414
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    From a short call i had with the garage today, i learned that the white thick smoke coming out on start up is oil... Looks like game is over...
     
  6. Mikkofin

    Mikkofin Formula Junior

    Jun 30, 2011
    291
    Finland
    :/

    Sorry to hear. Not overfilled by any chance during maintenance?
     
  7. mikegr

    mikegr Formula Junior

    Jul 3, 2012
    414
    Europe
    Car had new spark plugs and oil change 2 weeks ago, no overoiled symptoms. Use to pull really strong with ASR active up to 4th gear. Here is a video of the old days

    [ame]http://www.youtube.com/watch?v=3XUf5iPMdc4[/ame]
     
  8. Supreme360Swag

    Supreme360Swag Formula Junior

    Dec 26, 2011
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    Peninsula bay area
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    Allan
    Sorry to hear about the issues you're experiencing with your car. But I don't think fitting a faulty exhaust can cause all of the issues you're having. They might've overfilled your oil. I say flush the oil out again and refill with fresh oil and correct amount. Good luck with you
     
  9. mike01606

    mike01606 Formula Junior

    Feb 21, 2012
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    Mike M
    High crankcase pressures from blocked exhaust has pushed oil into the inlet system?
     
  10. rustybits

    rustybits F1 Rookie
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    Sounds very possible. Also, oil smoke will be grey/black and smell very bad.
    I would be very tempted to take the car elsewhere, these guys really don't sound like they are able to diagnose it...
     
  11. mike01606

    mike01606 Formula Junior

    Feb 21, 2012
    794
    Cheshire UK
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    Mike M
    Mike, step back a bit and take stock.

    You fitted the NGT which you now know was blocked on one side.

    On start up you got no codes but the car ran badly straight away and you saw black smoke on acceleration. You also had a slow down light.

    Was the oil change done at the same time or was it 2 weeks earlier and had the car been run any distance before the exhaust was fitted?

    You removed the pipe and the car now runs the same with white smoke on start up. The garage say it is oil smoke.
    Did/can they give you the fuel trim values?

    I think as Eddie says you should consider taking it for a second opinion. Sometimes difficult if you are a regular but it is your car.

    Good luck and I hope you sort it soon.......
     
  12. FerrariDublin

    FerrariDublin F1 Rookie

    Jun 14, 2009
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    Greg
    Yes Mike, it's time to step back and take a deep breath and have a think about this. Nothing that you've described as having been done recently should have caused a major trauma. Maybe something major occurred by coincidence but I feel it's probably somewhat unlikely.

    If the engine is capable of running I'd suggest again the simple test of measuring the temperature of the various exhaust outlets to determine which cylinders are not firing correctly and working from there.

    If the engine cannot be run or there is fear of causing further damage you need to start with basics. Take the plugs out and look at them. Run the engine over by hand with the plugs out. Does it turn over easily without any rough points. Can you see the cam belts turning? Is there pressure in all cylinders? You need fuel, air, good compression and a spark to make an engine run correctly. These things should be checked one by one in a systematic way.

    Best of luck and don't panic, things are probably not as bad as they seem.
     
  13. mikegr

    mikegr Formula Junior

    Jul 3, 2012
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    #63 mikegr, Dec 31, 2012
    Last edited: Dec 31, 2012
    Thank you for your answers anyway
    First i didnt know the Tubi was blocked. I only saw better air flow on the right side. They told me its because of the cold engine. Car at first, sounded and performed good on the way to the OBD, about 1 mile away. No check lights, no smoke. On way home after 30 minutes of driving in heavy traffic, notice some sound change. On accelaration with 2nd or 3rd was sluggish, a bit shaking also. After 3 hours resting i went for a faster driving on highway were at higher speed got a slow down warning for a sec.
    Next morning had troubles on start up as well as huge oil smoke.
    Today i was there. After removing spark plugs found out that cylinder 4,5 are flooded in oil. Thats why plugs dont perform correctly.
    Car was filled with 9.2 liters of oil two weeks before. No overfilling symptoms so far. They are going for a last check on Wed, in case if car is overfilled. Otherwise they suggest cat uninstall and if ok, full engine inspection
     
  14. mikegr

    mikegr Formula Junior

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  15. mikegr

    mikegr Formula Junior

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    #65 mikegr, Dec 31, 2012
    Last edited by a moderator: Sep 7, 2017
  16. HighandDry

    HighandDry Formula Junior

    Jul 24, 2012
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    Steve
    Wtf, what possible reason would it be filled with that stuff?
     
  17. mikegr

    mikegr Formula Junior

    Jul 3, 2012
    414
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    since the seller dont know anything about that, i will have to ask the man who sold this exhaust to him, his name is Harry Nijjar
     
  18. Ingpr

    Ingpr F1 Rookie

    Jun 30, 2009
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    Make it less loud
     
  19. mikegr

    mikegr Formula Junior

    Jul 3, 2012
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    #69 mikegr, Jan 1, 2013
    Last edited: Jan 1, 2013
  20. 15hn

    15hn Formula Junior

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    I don't know who the seller is but I sold my ngt, manifolds, cats, carbon intake to a buyer in Australia. That was around 6 years ago.
     
  21. ar4me

    ar4me F1 Rookie
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    Apr 4, 2010
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    Why not at least get a proper diagnosis? Followed by an estimate to repair, and then go from there? At that point you can cut your losses if you deem it is too costly for you to take further. Though, I can understand your frustration.
    Jes
     
  22. mikegr

    mikegr Formula Junior

    Jul 3, 2012
    414
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    To get a proper diagnosis and cost estimate it seems that we have to open the motor and whats inside. I am to sick to sustain this, as i spend already my holidays in trying to find out whats faulty. The worst thing that makes me crazy is that i actually paid a scam to destroy my car. This month along with road tax 2013 i paid already 4000$. And there is more to go. And dont even feel to drive the car home, makes me depressed.
     
  23. ar4me

    ar4me F1 Rookie
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    Sorry that it has ruined your time off! Maybe it wasn't caused by the exhaust, although quite a coincidence if it isn't, but stranger things have happened. Any chance you can get a (Ferrari experienced) shop to come up with diagnosis and provide estimate at little expense? Such an estimate would potentially also be of value to a prospective buyer, and as such get covered if you do sell the car. Would be sad to give up on it - you clearly loved it, to the point of upgrading the exhaust.
    Jes
     
  24. Mikkofin

    Mikkofin Formula Junior

    Jun 30, 2011
    291
    Finland
    Sorry to hear about the problems you are having with the 360. Should not be really too hard to diagnose and repair IMHO.

    BTW, Great price @ 33000EUR for anyone interested in a project.
    Almost tempted to buy it and see whats wrong with it.
    If only it were closer to me :)
     
  25. rustybits

    rustybits F1 Rookie
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    I can't see how the engine has been destroyed. Something is not right here. You don't need to open the motor to at least diagnose the cause of its failure. Seriously, take your car elsewhere for an opinion, they haven't given you answers to your problems, just additional problems!
     

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