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Thread: Help...2L engine backfire with flame and power loss

  1. #81
    Join Date
    Apr 2002
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    Godwin Beach 4511
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    why not?

    because if the relief valve was already doing it's job if pressure was already at the max, therefore ensuring there would be no pressure increase, because it was being relieved, if it was already doing its job, was the point i was making.

    too many coffees today .....
    2007 Discovery 3 SE7 TDV6 2.7
    2012 SZ Territory TX 2.7 TDCi

    "Make the lie big, make it simple, keep saying it, and eventually they will believe it." -- a warning from Adolf Hitler
    "If you don't have a sense of humour, you probably don't have any sense at all!" -- a wise observation by someone else
    'If everyone colludes in believing that war is the norm, nobody will recognize the imperative of peace." -- Anne Deveson
    “What you leave behind is not what is engraved in stone monuments, but what is woven into the lives of others.” - Pericles
    "We can ignore reality, but we cannot ignore the consequences of ignoring reality.” – Ayn Rand
    "The happiness of your life depends upon the quality of your thoughts." Marcus Aurelius

  2. #82
    Join Date
    Aug 2008
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    latrobe valley victoria
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    oil line to head plug fitted....

    no increase or decrease at 30 mph in 4th with plug in but a 3 to 5 psi increase in idle psi {45 to 50ish}
    un altered atm but ill tamper with it over the next few days and try and get it up to 60ish psi at 30mph {its sitting on 58ish psi atm same as before plug }

    main difference is the high level of oil in inlet rocker droped just below rocker gasket and valve guides rather than over and being drawn into valves and seeping out the rocker gasket on the inlet side...
    2002 defender 110 , 1955 86 inch

  3. #83
    Join Date
    Jan 1970
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    under a rock, next to a tree, at Broadmarsh
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    The compromise here is the balance between oil usage and keeping the engines head cool under extreme hot working conditions.
    .

  4. #84
    Join Date
    Apr 2002
    Location
    Godwin Beach 4511
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    sounds like the relief valve is working nicely

    2psi would be within the +/- of the gauge in all probability
    2007 Discovery 3 SE7 TDV6 2.7
    2012 SZ Territory TX 2.7 TDCi

    "Make the lie big, make it simple, keep saying it, and eventually they will believe it." -- a warning from Adolf Hitler
    "If you don't have a sense of humour, you probably don't have any sense at all!" -- a wise observation by someone else
    'If everyone colludes in believing that war is the norm, nobody will recognize the imperative of peace." -- Anne Deveson
    “What you leave behind is not what is engraved in stone monuments, but what is woven into the lives of others.” - Pericles
    "We can ignore reality, but we cannot ignore the consequences of ignoring reality.” – Ayn Rand
    "The happiness of your life depends upon the quality of your thoughts." Marcus Aurelius

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