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Thread: 4BD1 or 4BC2 identification

  1. 15th June 2016, 07:05 PM #1
    Treasure1
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    4BD1 or 4BC2 identification

    Hi folks,
    I bought this motor for my old NPR and it was delivered today, I know its not a Landy,but I've transported many and used to own a Disco
    I found all of you here very knowledgable about the Isuzu motors. my concern is its not a 3.9, I think maybe Chinese..has SY on the timing cover.
    The engine number is star 05154974 star..The rear crank seal casting is cast not alloy as is oil cooler.....Any thoughts..Thanks David
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    Last edited by Treasure1; 15th June 2016 at 07:49 PM. Reason: more photos
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  2. 16th June 2016, 05:02 AM #2
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    steveG
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    Can't tell exactly what it is from those photos, but doesn't look like any genuine 4BD1 I've seen.
    Genuine has 4BD cast on the side of the block - LH side from memory.
    What is it meant to be?
    If you are putting the twin spin on filter setup on it make sure it has 2 holes under that filter cover, and vice versa, don't fit a single filter housing if it already has 2 holes in the block.

    Steve
    1985 County - Isuzu 4bd1 with HX30W turbo, LT95, 255/85-16 KM2's
    1988 120 with rust and potential
    1999 300tdi 130 single cab - "stock as bro"
    2003 D2a Td5 - the boss's daily drive
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  3. 16th June 2016, 05:23 AM #3
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    Bearman
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    It does looks very much like Chinese copies I have seen.
    Cheers......Brian
    1985 110 V8 County
    1998 110 Perentie GS Cargo 6X6 ARN 202516 (Brutus)
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  4. 4th July 2016, 06:32 PM #4
    Treasure1
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    Hi, Sorry for the late reply..It is a Chinese copy and many things are different, I got the old motor out today and will find out what fits tomorrow...I will keep you informed !!!!
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  5. 10th July 2016, 08:41 AM #5
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    BadCo.
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    I've gotta ask, whats wrong with the old engine?
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  6. 10th July 2016, 12:57 PM #6
    Treasure1
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    everything except the new pistons..its done a lot of hard Km's...was cheaper and I thought easier just to go with this new long motor..didn't realize the dramas that went with it !!!
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  7. 10th July 2016, 03:59 PM #7
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    Vern
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    Whats "everything"?
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  8. 29th July 2016, 06:56 PM #8
    Treasure1
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    The old engine needs full rebuild..will do that over the next few months..but this 'new' engine is giving me grief..had to re thread all! bolts to suit the Chinese one...original thermostat housing doesn't fit ..nor do the original injectors..they take the larger bodied ones..finally got it started and now has a weird whirring noise form inside the block!!!
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  9. 30th July 2016, 05:24 AM #9
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    BadCo.
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    Surely it would have been cheaper and easier to rebuild the old one?

    Sent from my Nexus 4 using AULRO mobile app
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  10. 30th July 2016, 08:51 AM #10
    Treasure1
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    In hindsight I wish I had, this was supposed to be a 3 day job
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