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Thread: Engine Oil type??

  1. 11th January 2024, 12:02 PM #11
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    Engine Oil type??

    Quote Originally Posted by Red90 View Post
    You understand blue smoke is fuel and not engine oil?
    Excess fuel will be black. Blue indicates oil is being burnt.
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  2. 11th January 2024, 08:06 PM #12
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    Quote Originally Posted by DiscoDB View Post
    Excess fuel will be black. Blue indicates oil is being burnt.
    This has always been my thought...
    I have purchased some CEM gear...
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
    '97 to '07. sold.
    '01 V8 D2
    '06 to 10. written off.
    '03 4.6 V8 HSE D2a with Tornado ECM
    '10 to '21
    '16.5 RRS SDV8
    '21 to Infinity and Beyond!

    1988 Isuzu Bus. V10 15L NA Diesel
    Home is where you park it..

    [IMG][/IMG]
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  3. 11th January 2024, 09:59 PM #13
    discorevy
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    If you're in doubt about the colour of the smoke, someone behind the bus with an educated pair of nostrils could tell.

    yep, 15/40 E7 would be fine for non DPF
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  4. 13th January 2024, 01:37 PM #14
    Red90
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    Quote Originally Posted by DiscoDB View Post
    Excess fuel will be black. Blue indicates oil is being burnt.
    That is false. Black is excess but fully burnt fuel. Blue means it is partially burnt. Normally caused by retarded timing.
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  5. 13th January 2024, 02:05 PM #15
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    Engine Oil type??

    Quote Originally Posted by Red90 View Post
    That is false. Black is excess but fully burnt fuel. Blue means it is partially burnt. Normally caused by retarded timing.
    Certainly worthwhile checking the timing - especially if the injector pump has been removed at any stage.

    A calibrated nose would help confirm!
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  6. 22nd January 2024, 11:38 AM #16
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    Quote Originally Posted by Red90 View Post
    That is false. Black is excess but fully burnt fuel. Blue means it is partially burnt. Normally caused by retarded timing.
    An old post on AULRO:

    Blue smoke from a Diesel, only under certain conditions

    Symptoms on page 1, narrative following in various posts, solution on page 3.

    I have a newish Deutz tractor (the last of the non electronic era) with less than 1k hours on it.

    Gives a very small puff of blue (that smells of diesel) when given a squirt, doesn't use oil at all.

    I'm not particularly concerned.

    cheers, DL
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