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Thread: Info needed re 4bd1 motor

  1. 10th October 2010, 09:05 PM #1
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    Hall
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    Info needed re 4bd1 motor

    Hello all.
    I have a 4bb1, which I`m hoping is in the area that concerns me much the same as the 4bd1. They are from the same line of motors, mine being a earlier donk. Now what I`m after is the torque setting for the head bolts. If any one knows that would be bonzer and are wiling to let me know what they are would even be better.
    Cheers Hall
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  2. 10th October 2010, 09:23 PM #2
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    Might be worthwhile posting on Cummins 4BT & Diesel Conversions Forums as well.
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  3. 11th October 2010, 06:31 AM #3
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    Torque figure for the 4BD1 is 68 to 76 ft/lb for new bolts and 79 to 86 for re used bolts. I am not sure if they are the same - possibly they are being from the same line (4.Hope that helps.
    Cheers......Brian
    1985 110 V8 County
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  4. 11th October 2010, 06:05 PM #4
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    Blknight.aus
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    for the 4bd1 from emei Vehicle G 104 para 4 k
    64-74nm then 108-119nm
    for new bolts
    64-74nm then 94-103

    for the 4bb1 from This page

    51 then 65 ftlb ,(+ 90-120° for laminated gaskets)
    Dave

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