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Thread: 1987 Mighty Max 4x4 with a g54b???

  1. #1

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    01-23-2016
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    Location

    greenville, sc
    Vehicle

    1987 Mitsubishi Mighty Max
    Engine

    G54B

    1987 Mighty Max 4x4 with a g54b???

    I have a 1987 Mitsubishi Mighty Max 4 x 4 with the 2.6 l motor. Is this truck a wide block or narrow block motor? The reason asking if I have a extra 5 speed trans that is the narrow block style I'm having problems with the current transmission in the truck popping out of first gear and was hoping to use the 5 speed that I have extra to put in the truck instead of having to rebuild the current transmission. I have read that some of these 2.6 Motors are narrow block from a chart that I found on this forum. You guys have always been a great help in the past and I appreciate any input that I receive thanks again everyone I really appreciate the help.

  2. #2

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    06-15-2014
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    Location

    Adelaide, South Australia
    Vehicle

    1985 Mitsubishi L200
    Engine

    G63B
    I think the 4G54's mated to auto transmissions are narrow block. Easy enough to take an auto block and retrofit a manual crank and flywheel.

  3. #3



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    03-26-2011
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    Location

    Vacaville, CA
    Vehicle

    1989 Mitsubishi Mighty Max
    Engine

    4G63-T
    I believe your g54b is a wideblock. I think the only narrow block g54b's were some of the very early 80's versions. Pennyman can confirm this. A way to check is to check spacing between the lower two bellhousing bolts. If its in the ~12" its narrow, if its in the ~13" its wideblock.
    Josh
    09 BMW 335i E92 Twin turbo
    89 Macrocab 4g63 Turbo swapped & Bagged: Build Thread

  4. #4



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    03-20-2011
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    Location

    Pittsburgh, PA
    Vehicle

    1980 Dodge D-50
    Engine

    G54B
    87 2.6 motors are wideblock regardless of tranny attached. 79 - 86 3 speed auto 2.6 and all g63b motors are narrow block.
    Pennyman1
    The best Dodge that Dodge never made
    Living the D-50 lifestyle since 1980

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