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Thread: Why do 2.7 cranks break?

  1. #121
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    Agree.

    And it’s always good practice to get engine warm before dropping the oil.
    My opinion is that by doing so, everything starts that bit easier post change too, which all helps.

  2. #122
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    Quote Originally Posted by PerthDisco View Post
    For sure it’s double the time of a normal start up after an oil and filter change for me but measured in seconds though.
    Yep - feels like an eternity when you consider that until the oil filter and housing refills that the crank bearings are getting no oil.

    Probably a good 10-20 revolutions that the bearings are relying on a very thin film of residual oil.

    Pity that the oil filter can’t be pre-charged with oil.

    Whilst regular oil changes are good, you certainly want to avoid doing too frequent oil and filter changes.

  3. #123
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    Quote Originally Posted by DiscoDB View Post
    Whilst regular oil changes are good, you certainly want to avoid doing too frequent oil and filter changes.
    Why?
    2013 D4 expedition equipped
    1966 Army workshop trailer
    (previously SII 2.25 swb, SIII 2.25 swb & lwb, P38 Vogue, 1993 LSE 3.9V8 then HS2.8)

  4. #124
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    Quote Originally Posted by DiscoDB View Post
    Yep - feels like an eternity when you consider that until the oil filter and housing refills that the crank bearings are getting no oil.

    Probably a good 10-20 revolutions that the bearings are relying on a very thin film of residual oil.

    Pity that the oil filter can’t be pre-charged with oil.

    Whilst regular oil changes are good, you certainly want to avoid doing too frequent oil and filter changes.
    At least presumably the oil that drops out of the filter when you remove it falls down the galleries and over the crank bearings.

    These engines seem to have almost zero problems with pistons rings or the top end in general due to any oil starvation.

  5. #125
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    Quote Originally Posted by DieselLSE View Post
    Why?
    Because until the system has oil pressure again you could be getting metal on metal contact and this is when the chances of spinning a bearing are at their highest.

  6. #126
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    Quote Originally Posted by incisor View Post
    penrite oil recommendation for the ford 2.7l tdci

    Attachment 174946

    penrite oil recommendation for the landrover 2.7l tdv6

    Attachment 174947


    both meet fords wss-m2913-b spec which is the original ford spec in 2012 but their oil specs website states that these days wss-m2913-d should be used where -b was originally recommended

    penrite oil recommended -d oil

    Attachment 174948

    which is what my old vw 1.9l diesel caddy used and is the slipperiest oil i ever got on my hands over the years

    oils aint oils it seems

    is confusing as hell
    Inc, now that you are a proud owner of a Disco powered Ford (yes I know it is the Disco that is Ford powered)….

    Can you confirm exactly what spec oil Ford require for the 2.7 and if they specify the ACEA spec or just a Ford spec.

    Also what is the oil change frequency (kms and months)?

  7. #127
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    So it gets entertaining.

    Ford Territory 27



    And LR 27



    And Puma Defender



    So for simplicity in oil stocks at my place it’s the:
    Full synthetic 5W-30 at our place.

    Enviro is really only for DPF vehicles of which neither mine have.

  8. #128
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    Quote Originally Posted by DiscoDB View Post
    Inc, now that you are a proud owner of a Disco powered Ford (yes I know it is the Disco that is Ford powered)….

    Can you confirm exactly what spec oil Ford require for the 2.7 and if they specify the ACEA spec or just a Ford spec.

    Also what is the oil change frequency (kms and months)?
    from the handbook - Ford WSS-M2C913-B

    lube specs 3.jpg

    i go by what penrite recommend for vehicles out of warranty as mine has 112000 klms on the clock which is also to spec Ford WSS-M2C913-B but ACEA A3/B4 not ACEA A5/B5 which appeals to me personally knowing the history of the engines

    lube specs 4.jpg

    PS
    first thing i did when i got the vehicle home was put this oil and a new mann oil filter into it
    Last edited by incisor; 26th November 2021 at 10:58 AM.
    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

  9. #129
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    lube specs 5.jpg

    every 15000 klms or 12 months

    severe service is 7500 klms

    lube specs 6.jpg
    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

  10. #130
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    Why do 2.7 cranks break?

    By comparison, this is from the Citroen C6 2005 Handbook. In this case the diesel is the 2.7 without DPF.



    Interesting that for “temperate” to “hot” climates they recommend a Semi Synthetic 10W-40 oil to ACEA B3 spec.

    For most of us here in Australia, the HPR 5 or HPR Diesel 5 looks to be the best choice.

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