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Thread: More power from a 4bd1t

  1. 19th June 2024, 06:18 AM #1
    driver
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    More power from a 4bd1t

    I'm looking to get another 10 or 20hp from my 4bd1t engine. It's a but sluggish and currently doesn't blow any smoke. It has a td04h turbo in it. Can anyone tell me is this a low pressure turbo or if I am better to stick another turbo on it? Or will increasing the fuel help me out?
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  2. 20th June 2024, 12:18 PM #2
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    Blknight.aus
    Blknight.aus is offline RoverLord Vendor
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    sort the exhaust to a 3 inch or so, then you can have the pump gently worked.
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

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  3. 1st July 2024, 07:11 PM #3
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    1103.9TDI
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    If close to Brisbane, I have a recommendation for you.
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  4. 2nd July 2024, 05:17 AM #4
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    tc_s1
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    Add propane/Lpg/autoGas injection? Know it's less common now than it had been, but I have it on mine, and it helps when used sparingly whenever needed. Better boost. Cleaner, more complete burn. Incremental cost of operation.
    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)
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  5. 7th July 2024, 02:50 PM #5
    00quattro00
    00quattro00 is offline Fossicker Supporter
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    Need more info on the turbo, what compressor does it have? How much boost are you running and what are your egts pre turbo?
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  6. 16th July 2024, 10:33 AM #6
    Coolvirgo54
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    As someone who designed and installed a closed loop diesel/gas system back in the day, dyno tuning every installation, I ended up ceasing doing it due to the fact that it increased egt's which potentially made it problematic with some configurations. Also discovered water/alcohol systems have a better result, bonus being that methanol doesn't have to be used and ordinary alcohol works.
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