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Thread: D4 engine choice

  1. #11
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    Quote Originally Posted by Chardo View Post
    Thanks for that, it is a real shame about the 3.0 (on paper it looks great), now to try and find a lowish km V8.
    At risk of putting the mockers on myself, I think the 3.0 problem is well out of proportion to the numbers "out there" who have not/will not fail.

    There are many owners here who have well in excess 200k and several over 300k with no problems, and what %age of Aus Disco owners contribute to this Forum? (bugger all I'd say).
    I make a point of saying hello to as many owners as possible and discussing Disco's when it allows and without exception they are very happy with their car and have had no serious probs whatsoever.

    My 2013 is approaching 155,000 and I service it every 8-10 klms with the correct oil.

    The long oil change frequencies appears to be one of the major, if not THE major contributor to failure.
    I am a huge fan of Wynns products having had good experiences with the product over the years and maybe that is helping look after my bearing problem, who knows.

    Contrary to what some people claim, the crankshaft doesn't break as the initial failure per se.
    The problem according to the LR Service Bulletins is that the conrod bearing/s rotate (spin) due to incorrect assembly at the LR engine plant, and "pick up" due to the oil feed gallery hole becoming blocked, which can then cause other catastrophic failures, one of which is seizure thus potentially breaking the crankshaft.

    The other LR engines are not without their problems as do other brands of vehicles.

    The SCV6 petrol engine requires timing chains at not insignificant cost and doesn't have the torque nor fuel economy of the diesel if that is important to you.

    The pick of the D4 would be the Jaguar V8 engine but appear to be as rare as the proverbial, but you wouldn't use the words "fuel economy" and "V8" in the same sentence.

    Without wishing to appear blase about it, in the course in the event of an engine failure, a $15-20k rebuild should not necessarily mean ditching the car.
    An exchange 3.0 reco engine is available for around $6k in NSW and with labour & misc costs etc hopefully would take it to around $14k ish.
    Worth considering spending the dough and keeping the car for several further years knowing that you are still driving one of the best, most capable, and nicest to drive, 4WD's on this planet.

    Amortise the engine repair cost over several years of ownership and it doesn't appear so bad after all.

    What else do you buy which provides so many features and driving pleasure without spending mega mega bucks?
    I drove a mate's new Prado t'other day and that trans is still no improvement on 4 years ago as it still doesn't know which gear it wants to be in.

    Find a late SD/TD 3.0 with full service history incl oil change periods around 10,000 klms and you can't go wrong!
    Before: Ser 2a LWB, Ser 3 S/W, 1979 RR 2 door, 1981 LR Stage 1 V8 (new), 1985 LR 110 V8 County (new), 2009 RRS TDV8
    Now: MY13 D4 TDV6. "E" rear diff. Cambo's magic Engine & Auto Tune. 1968 Austin 1800 Mk1 auto (my 5th)

  2. #12
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    The above is probably on the money,,
    as the biggest LR website IN THE WHOLE WORLD by definition we see lots of problems that non-forumites would never realise were common-place,
    The upside to reading about these problems is the best fix for it is on here too...
    "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!


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  3. #13
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    A V8 for sale in WA on car sales at moment.
    Cheers

  4. #14
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    Thank you Discodicky, some great perspective, and worth thinking about.

    I will keep the search open, and won’t write off the SD6 (so long as maintenance has been fastidious). Having said that I am kinda liking the idea of the 5.0, having come from an LS3 redline I know all to well about the global warming properties of the V8s and can only imagine what returns you would get off road.

    Thank you again for that information, it does paint a different picture to some/most of the other comments and threads.

    Oh and yes I have seen the V8 over west, it looks nice, but I am hoping for lower mileage than 180K (maybe optimistic on my behalf).

    Thanks again.

  5. #15
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    I was under the impression that the SC 5 V8 was self destructing any time after 50 thousand clicks due to a timing chain guide/tensioner failing.

  6. #16
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    Quote Originally Posted by Grumbles View Post
    I was under the impression that the SC 5 V8 was self destructing any time after 50 thousand clicks due to a timing chain guide/tensioner failing.
    I dont think it is that bad and it is any 5 litre not just the SC - however like our 3.0 destruct posts, the US forums are full of V8 destruct posts and they are trying to get a Class action going.
    REMLR 243

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    1971 Jaguar V12 E-Type Series 3 Roadster
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  7. #17
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    ​JayTee

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  8. #18
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    Quote Originally Posted by Tins View Post
    Dreaming

  9. #19
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    Quote Originally Posted by Grumbles View Post
    I was under the impression that the SC 5 V8 was self destructing any time after 50 thousand clicks due to a timing chain guide/tensioner failing.
    My understanding is the timing chain tensioner problem was only on the early V8's, as was a problem with the Nickasil bores (in the Jaguars at least)

    I've only heard good things about that engine; seems like I'm not looking in the right places?

    One thing to consider about having a D3/4 V8 . If you wish to travel to remote-ish areas it probably requires Premium fuel (?) which may not be available "outback".
    I guess no probs to carry a small bottle of "octane enhancer" whilst you are outback.

    I see there is also an early D3 V8 in Victoria showing on carsales.
    Not such a silly buy at that price?
    You get a "lot of car" for the price!
    Before: Ser 2a LWB, Ser 3 S/W, 1979 RR 2 door, 1981 LR Stage 1 V8 (new), 1985 LR 110 V8 County (new), 2009 RRS TDV8
    Now: MY13 D4 TDV6. "E" rear diff. Cambo's magic Engine & Auto Tune. 1968 Austin 1800 Mk1 auto (my 5th)

  10. #20
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    Quote Originally Posted by Discodicky View Post

    I see there is also an early D3 V8 in Victoria showing on carsales.
    Not such a silly buy at that price?
    You get a "lot of car" for the price!
    And a lot of headaches.

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