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Thread: Split phase exhaust

  1. #1
    6mmXC
    Join Date
    May 2002
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    McKinney TX USA
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    5,324

    Default Split phase exhaust

    http://papers.sae.org/2010-01-1222

    This is a really good idea, and could be done on pretty much any modern 4 valve DOHC head without too much trouble. Instead of having MIVEC type phasing change for the blowdown cam lobe, just make a fixed two lobe cam. Turbine pressure does not effect VE at all, blowdown is kept separate from scavenge, overlap gas exchange cycle is improved.

    Get on it Kiggly!
    "A democracy cannot exist as a permanent form of government. It can only exist until the majority discovers it can vote itself largess out of the public treasury. After that, the majority always votes for the candidate promising the most benefits with the result the democracy collapses because of the loose fiscal policy ensuing, always to be followed by a dictatorship, then a monarchy." - Alexander Fraser Tytler

    "The historical cycle (of democracy) seems to be: From bondage to spiritual faith; from spiritual faith to courage; from courage to liberty; from liberty to abundance; from abundance to selfishness; from selfishness to apathy; from apathy to dependency; and from dependency back to bondage once more." - Henning Webb Prentis, Jr.

    "This year (1935) will go down in history! For the first time, a civilized nation has full gun registration! Our streets will be safer, our police more efficient, and the world will follow our lead into the future!"

    - Adolf Hitler

  2. #2
    Whiney Bitch
    Join Date
    Oct 2004
    Location
    Camas, WA
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    43
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    857

    Default

    One more thing to read
    AKA JohnBradley

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