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Thread: isuzu diesels

  1. 21st November 2007, 06:34 PM #31
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    The proper thurmostat temp is 82. That's what the workshop manual states.
    I do recall someone saying that the Isuzu is very dependent on the temp being right. I would belive the higher cylinder temp would be more desirable as 76 is bloody cold for a diesel

    Hope this helps
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  2. 21st November 2007, 10:52 PM #32
    Jack the Lad
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    3.9 series II diesel

    Hey all. Long time reader first time poster (virgin..Be gentle!!). I have just purchased my third landy and second seriesII. It has a 3.9 Isuzu and overdrive, all mod plated. Have any of you seen this in a s2 and if so have there been any problems with the stock box/transfer/diff/axles handling the extra torque?
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  3. 22nd November 2007, 10:55 AM #33
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    Quote Originally Posted by Jack the Lad View Post
    Hey all. Long time reader first time poster (virgin..Be gentle!!). I have just purchased my third landy and second seriesII. It has a 3.9 Isuzu and overdrive, all mod plated. Have any of you seen this in a s2 and if so have there been any problems with the stock box/transfer/diff/axles handling the extra torque?
    I don't think you would get very long live out of the box with the ISUZU stuck in front of it. A lot more power and vibration going through it than it was originaly designed for.
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  4. 22nd November 2007, 12:14 PM #34
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    Quote Originally Posted by paulthepilot_5 View Post
    I don't think you would get very long live out of the box with the ISUZU stuck in front of it. A lot more power and vibration going through it than it was originaly designed for.
    but the SII crashbox is said to be tougher than the SIII
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  5. 22nd November 2007, 04:38 PM #35
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    Quote Originally Posted by 100I View Post
    but the SII crashbox is said to be tougher than the SIII

    ToughER not tough
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  6. 22nd November 2007, 05:19 PM #36
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    Cool

    Who knows, might be an LT95/Fairley out of a Stage One!.........
    Last edited by 1103.9TDI; 22nd November 2007 at 05:20 PM. Reason: RTFQ
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  7. 22nd November 2007, 05:52 PM #37
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    Quote Originally Posted by 1103.9TDI View Post
    Who knows, might be an LT95/Fairley out of a Stage One!.........
    if it had an LT95 in it would be a great truck
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  8. 22nd November 2007, 09:36 PM #38
    Jack the Lad
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    Che

    Am swapping my series one for series III diff assemblies and, if necessary Lt95. Dont know if box will fit but have oxy, will travel. I am assuming that I am going to have to shorten/lengthen the prop shaft/s... Am i going to have to fab or move cross members to get Lt95 in?S funny, I havent even seen the sII yet!! Bloody thing is still sitting ina shed three hours away. Ol mate mention 3.9 oiler on the phone and I got all excited... And i make fun of blokes who get mail order brides!!
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  9. 18th January 2008, 09:06 PM #39
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    hey guys just looking at updating to diesel! new to them but looking for more, what are some of the things to look out for on a late 90's disco. thanks
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  10. 19th January 2008, 06:56 AM #40
    C H T
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    Isuzu engines/running temps

    Quote Originally Posted by Larns View Post
    The proper thurmostat temp is 82. That's what the workshop manual states.
    I do recall someone saying that the Isuzu is very dependent on the temp being right. I would belive the higher cylinder temp would be more desirable as 76 is bloody cold for a diesel

    Hope this helps
    1. Larns is right - the standard factory thermostat for a 4BD1/T is set at 82 degrees C - it is possible to get a factory 84 degree unit. According to Isuzu it is very important to keep operating temp under about 95 degrees C to avoid pistons picking up in the bore. My 4BD1T runs at 79-85 degrees and ususlly settles at about 82 after running for an hour plus.
    2. Re the later Isuzus - I have heard of a 4HE1 being fitted to a 110 in Perth - the main problems are adapting the engine to the gearbox, and the fact that the exhaust exits on the right hand side of the engine. Height might be a bit of an issue.
    3. Legalities. The situation varies from state to state. I had no problems getting approval of the 4BD1T conversion of my Defender (in QLD). The engine must comply with the ADRs relevant to the ADRs the vehicle was built to comply with. As far as I know this means the cut off for using a 4BD1/T is a 300Tdi DEF/Disco - any thing earlier is not an issue. TD5s were built to later ADRs and therfore would be difficult to get complianced.

    I trust that this helps
    Christopher
    Last edited by C H T; 28th January 2008 at 08:01 PM. Reason: correction
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