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Embarrassing Exhaust question but I have to ask

Discussion in 'Technical Q&A' started by Nationaltec, Jan 9, 2004.

  1. Nationaltec

    Nationaltec Karting

    Dec 22, 2003
    157
    North County
    Full Name:
    Patrick
    #1 Nationaltec, Jan 9, 2004
    Guys,

    Recently on a rare "Cold" San Diego morning I was allowing my 1986 328GTS a little extra warmup time... So I brought the empty trash containers from curb while waiting and noticed that my "drivers side" exhaust was significantly stronger then the other side! ( steam difference was noticeable )

    Is that normal? It almost looks like only one side works...

    While placing your hand in front of each side you can definitely notice a difference in pressure between the ports...

    The car runs perfect..but this has been bugging me... Not to many 328's nearby to confirm..


    Sounds stupid I know.. but somebody should know..

    Thanks
    Patrick
     

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  2. ricrain

    ricrain Karting

    Nov 1, 2003
    195
    Dallas Area
    Full Name:
    Ric
    #2 ricrain, Jan 9, 2004
    Normal. :)
     
  3. Ken

    Ken F1 World Champ

    Oct 19, 2001
    16,078
    Arlington Heights IL
    Full Name:
    Kenneth
    #3 Ken, Jan 9, 2004
    When I test drove a Mondial at a dealer, it did that too. The guy said it was just condensation in the pipe; they are all connected but one side condenses more than the other. When it warmed up it was fine; I was skeptical at the time but they did just finish the major on it so I assume it was fine. I didn't buy it for other issues though.

    Ken
     
  4. peajay

    peajay Formula Junior

    Apr 17, 2002
    454
    near Paris, France
    Full Name:
    Paul
    #4 peajay, Jan 9, 2004
    My 328 does the same thing, don't worry it is completely normal.
     
  5. Ed P.

    Ed P. Formula 3

    Dec 28, 2002
    2,177
    Long Island
    Full Name:
    No Longer
    #5 Ed P., Jan 9, 2004
    Do you think the exhaust was designed for an idling engine? Bring the rpms up and it will even out. In other words... it's normal :)
     

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  6. flyingboa

    flyingboa Formula 3

    Nov 27, 2003
    1,555
    Italy/India
    Full Name:
    Eugenio
    #6 flyingboa, Jan 9, 2004
    Having the car in northern Italy I usually have to warm it up for a while during winter (last saturday was -3 celsius...) with the same result. Apart from the fact that, on top of my head, the steam cloud comes from the right side...

    Ciao

    Eugenio
     
  7. jimpo1

    jimpo1 Two Time F1 World Champ
    Silver Subscribed Owner

    Jul 30, 2001
    22,946
    Dallas, TX
    Full Name:
    Jim E
    #7 jimpo1, Jan 9, 2004
    Mine does it too.
     
  8. MARQ

    MARQ Formula 3

    Feb 9, 2002
    1,924
    East Coast US
    Full Name:
    Marq
    #8 MARQ, Jan 9, 2004
    Same here.
     
  9. atlantaman

    atlantaman Formula 3

    Mar 31, 2002
    1,726
    Roswell, Georgia
    Full Name:
    Charles
    #9 atlantaman, Jan 9, 2004
    AND THE ANSWER IS----
    On all the US 328 cars, both of the headers merge into a single pipe before entering the muffler and therefore there is always one side that gets a more direct gas flow than the other. the bulk of the gas takes the path of least resistance with only the "overflow" coming out the other side
     

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  10. f355spider

    f355spider F1 World Champ
    Rossa Subscribed Owner

    May 29, 2001
    17,390
    USA
    #10 f355spider, Jan 9, 2004
    Seems a bit more even with the Tubi....
     
  11. Nationaltec

    Nationaltec Karting

    Dec 22, 2003
    157
    North County
    Full Name:
    Patrick
    #11 Nationaltec, Jan 9, 2004
    I'm relieved.... I was just concerned I had a blockage and my EGT would rise without my knowledge..!!!!

    Well, based on the majority consensus...I'd say I'm ok.....


    Really appreciate all the help everyone.....!!!


    What would a new owner do without this website..! damm..


    Patrick
     
  12. robertgarven

    robertgarven F1 Veteran
    Rossa Subscribed Owner

    Feb 24, 2002
    5,131
    Ventura, California
    Full Name:
    Robert Garven
    #12 robertgarven, Jan 9, 2004
    My car is exempt now but I was wondering if you could get the guy to stick the sensor in the exhaust with the less output?
     
  13. joeyy

    joeyy Karting

    Nov 11, 2003
    190
    long island
    Full Name:
    joe
    #13 joeyy, Jan 9, 2004
    same here (old 308) i just went to the garage and checked.
     
  14. sparta49

    sparta49 F1 Veteran
    Owner

    Mar 3, 2001
    7,794
    LA
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    Frank
    #14 sparta49, Jan 10, 2004
    Normal .
     
  15. Auraraptor

    Auraraptor F1 World Champ
    Lifetime Rossa Owner

    Sep 25, 2002
    11,595
    MO
    #15 Auraraptor, Jan 10, 2004
    Me too over here.
     
  16. davem

    davem F1 Veteran
    Silver Subscribed

    Jan 21, 2002
    6,634
    Stepford, Connecticut
    Full Name:
    dave m
    #16 davem, Jan 10, 2004
    Robert. Ive had the same thought. However the test just measures percentages of the total so its irrevalant.
     

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