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Thread: Late model Isuzu/Defender combination

  1. #11
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    4JJ1 in Discovery 2

    Hey All,

    I just want to touch base and see if anyone here managed to install the Isuzu 4JJ1 engine into a Land Rover. I am looking at doing something similar in my Discovery 2. My TD5 is getting a little tired and needs a rebuild. So I have decided to move away from this and install the Isuzu 4JJ1.
    Does anyone know if there is a Bellhousing for the R380 Manual that will bolt to the 4JJ1? If this is too hard I will look at using the 6 speed manual from the new D-max once I can find a good affordable donor car. The 6 speed manual option I feel would be a bit more work due to connecting the LT230 to the Aisin AWR6B45 6 speed Manual from the Isuzu, New transmission mounts, transfer box location, prop shaft modifications etc.

    I have chosen the 4JJ1 engine as it is a simple truck engine. Lots available in Australia, very affordable replacement engine and will be a good reliable engine for long distance driving. They are also comfortably producing about 400hp at the wheels with modification and tuning at a few diesel performance workshops around Australia.

    Any help would be greatly appreciated.

  2. #12
    Join Date
    Jun 2016
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    Just couldn't resist posting after seeing this video regarding the referenced Isuzu engine - YouTube - Enjoy.
    Scratching my teenage itch now that I'm in my midlife crisis...
    '87 110 County 4BD1+T+LP (Godzilla)
    '88 110 Perentie Cargo 4BD1+T+LP (Thing1)
    '91 110 Perentie Cargo 4BD1+T+LP (Thing2)

  3. #13
    Bearman's Avatar
    Bearman is offline TopicToaster Gold Subscriber
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    That is wild. I see there are no aircleaners on the turbos - wonder how long they will last?
    Cheers......Brian
    1985 110 V8 County
    1998 110 Perentie GS Cargo 6X6 ARN 202516 (Brutus)

  4. #14
    Lionelgee is offline YarnMaster Silver Subscriber
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    4JJ1 into a Series 3 109 Six Cylinder

    Hello All,

    Sorry for the thread hijack Cammo and Mr Landy,

    Is it possible to transplant a 4JJ1 or a Cummins 2.8 into a Series 3 long wheel base which was originally fitted with a six cylinder motor?

    Last night I contacted someone who was selling a 200tdi. I asked whether the motor had been compression tested or whether they had pressure tested the coolant system. The answer was no. I will not mention the asking price - lets just say that it was not valued in the hundreds. Plus some parts for the 200tdi are now getting associated with ""unobtainium".

    Also, the advancement to a 300tdi is facing issues with obtaining reliable and serviceable replacement heads.

    Would the more modern alternative of a 4JJ1 fit into a former six cylinder long wheel base Series 3?

    Kind regards
    Lionel

  5. #15
    cjc_td5's Avatar
    cjc_td5 is offline ChatterBox Silver Subscriber
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    From my recent research into the same scenerio...

    A 4JJ1 has an engine ECU so you'd have to make it run stand alone. Then how to deal with instruments etc. An alternate would be a 4JH1 which is 8 valve vs 16 valve. It is commonish to install mechanical injector pump & injectors from a 4JB1 to a 4JH1 to delete the ECU.

    One on line has installed the mech pump into a 4JJ1 which would be the ducks guts. 3.0l TD, mech injection, 16 valve, intercooled, VNT!
    Chris


    2014 D4 TDV6
    1954 86"
    1963 2A Forward Control (getting the full treatment, Isuzu 4JH1, MYY5T, LT230, Toyota Axles, extended cab ++)
    1980 Stage 1 v8 (gone)

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