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Thread: R380 4BD1T highway

  1. #1
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    R380 4BD1T highway

    Gents,

    I am considering a 4BD1T replacement for my Td5 (when it finally decides to head off into the after life, touch wood not anytime soon) but want to get people's experiences with the 4BD1T at highway speeds. Is it genuinely an alternative to a mapped Td5 in terms of noise and vibration for long distance touring?

    I am assuming most R380 conversions have involved using disco transfer case ratios?

    Thanks,

    Tim.
    ____________________________
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    - 'Kimba' ('02 Defender Xtreme 110)
    - 'Ari' (1994 Peugeot 205GTi Classic)

    "...we are all just earrings to the left of our parents, and they are all just haircuts to the left of theirs..."

  2. #2
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    The R380 is generally not used as the 4BD1 will shake it to bits, the LT95 or an MSA conversion are the norm.
    MY08 TDV6 SE D3- permagrin ooh yeah
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  3. #3
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    Quote Originally Posted by loanrangie View Post
    The R380 is generally not used as the 4BD1 will shake it to bits, the LT95 or an MSA conversion are the norm.
    The Isuzu MSA may not be an easy option anymore as it looks like CORCONVERSIONS/Sheldon has closed up shop. I'm not 100% certain, but the CORCONVERSIONS facebook has been deleted and Sheldon was/is selling a heap of workshop equipment on Gumtree.

    Stan.

  4. #4
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    I have a 4BD1T + R380 in a Defender. People will say the R380 isn't up to the task, but they're generally speaking out of their ass. There's a handful of people with over 250,000km on the combination - have over 100,000km myself. I run a 1.003:1 transfer case, but I'd run a 1.1:1 from Ashcroft if I had the opportunity at the time, they're only a new option. I think it's about 1900rpm at 110km/h for me and it's very happy at that speed. Overtaking is easy on the highway and I keep up with traffic in town. If I was towing a heavy trailer often I'd consider a Disco 'case.

    I get more wind and tyre noise than anything else, so maybe someone else could comment on that side of things. I have a full length roof rack and mud terrains. Still, I don't have to speak up to be heard by passengers.

    The 4BD1T puts every Land Rover diesel put into a Defender to absolute shame; it does a better job, uses less fuel and doesn't break or even leak. A vehicle the size of a Defender needs a ca. 4 litre diesel motor - look at cruisers and patrols. Honestly if you own a 4BD1T Land Rover you won't ever look back.

  5. #5
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    Quote Originally Posted by Standard View Post
    The Isuzu MSA may not be an easy option anymore as it looks like CORCONVERSIONS/Sheldon has closed up shop. I'm not 100% certain, but the CORCONVERSIONS facebook has been deleted and Sheldon was/is selling a heap of workshop equipment on Gumtree.

    Stan.
    Yes shops shut.
    But there are a few conversions out there still. (2 sitting on my shed floor)

  6. #6
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    Quote Originally Posted by Dervish View Post
    I have a 4BD1T + R380 in a Defender. People will say the R380 isn't up to the task, but they're generally speaking out of their ass. There's a handful of people with over 250,000km on the combination - have over 100,000km myself. I run a 1.003:1 transfer case, but I'd run a 1.1:1 from Ashcroft if I had the opportunity at the time, they're only a new option. I think it's about 1900rpm at 110km/h for me and it's very happy at that speed. Overtaking is easy on the highway and I keep up with traffic in town. If I was towing a heavy trailer often I'd consider a Disco 'case.

    I get more wind and tyre noise than anything else, so maybe someone else could comment on that side of things. I have a full length roof rack and mud terrains. Still, I don't have to speak up to be heard by passengers.

    The 4BD1T puts every Land Rover diesel put into a Defender to absolute shame; it does a better job, uses less fuel and doesn't break or even leak. A vehicle the size of a Defender needs a ca. 4 litre diesel motor - look at cruisers and patrols. Honestly if you own a 4BD1T Land Rover you won't ever look back.
    Correct about noise, I used a db meter in mine at 100kph, it read 77db, I turned it off at that speed, it still read 77db, tyre noise easily drowns out the 4bd1

  7. #7
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    How obtainable is the bell housing for a R380 to ISUZU

  8. #8
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    Just make sure its a late suffix K R380 or any suffix L, A4bd1 will eat the early r380 like it eats the lt85 split case.

    Id also want to put in a T or SE suffix lt230
    Dave

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  9. #9
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    Quote Originally Posted by weeds View Post
    How obtainable is the bell housing for a R380 to ISUZU
    Klr make them, from memory about $1200

  10. #10
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    Quote Originally Posted by Dervish View Post
    I have a 4BD1T + R380 in a Defender. People will say the R380 isn't up to the task, but they're generally speaking out of their ass. There's a handful of people with over 250,000km on the combination - have over 100,000km myself. I run a 1.003:1 transfer case, but I'd run a 1.1:1 from Ashcroft if I had the opportunity at the time, they're only a new option. I think it's about 1900rpm at 110km/h for me and it's very happy at that speed. Overtaking is easy on the highway and I keep up with traffic in town. If I was towing a heavy trailer often I'd consider a Disco 'case.

    I get more wind and tyre noise than anything else, so maybe someone else could comment on that side of things. I have a full length roof rack and mud terrains. Still, I don't have to speak up to be heard by passengers.

    The 4BD1T puts every Land Rover diesel put into a Defender to absolute shame; it does a better job, uses less fuel and doesn't break or even leak. A vehicle the size of a Defender needs a ca. 4 litre diesel motor - look at cruisers and patrols. Honestly if you own a 4BD1T Land Rover you won't ever look back.
    What wheel/tyre combo are you running? 1,900rpm @ 110km/h is way below what my Td5 is doing.

    It now only seems to be a question of the correct gearing.

    Thanks for the response.
    ____________________________
    Noddy
    - 'Kimba' ('02 Defender Xtreme 110)
    - 'Ari' (1994 Peugeot 205GTi Classic)

    "...we are all just earrings to the left of our parents, and they are all just haircuts to the left of theirs..."

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