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Thread: 2.0 Weber conversion -

  1. #1

    Array
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    Join Date
    12-17-2016
    Posts
    14
    Location

    Thomasville, North Carolina
    Vehicle

    1987 Mitsubishi Mighty Max
    Engine

    G63B

    2.0 Weber conversion -

    Hey guys, I've done a Weber install on my 1987 Mitsubishi Mighty Max 2.0 Auto.

    Mods include:
    Weber 32/36 DFEV
    In line electric fuel pump
    In line fuel filter
    Fuel pressure regulator
    Fuel pressure gauge
    Mechanical fuel pump delete
    EGR delete
    EVAP delete
    Oil pressure safety switch for carb
    Relay and circuit breaker for fuel pump
    New coil
    New ballast resistor
    Distributor is a few months old

    I have done all of these mods and have seen a SIGNIFICANT improvement in this truck. It's like its not even the same truck! But........ it starts backfiring under a load, such as going up a long steep hill. I've checked timing, fuel pressure,everything I can think of and NOTHING has changed it. Any suggestions as to what I should try next??? Also, I still have to adjust the transmission kick down, it's being a pain as well.

  2. #2

    Array
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    Join Date
    06-15-2014
    Posts
    6,059
    Location

    Adelaide, South Australia
    Vehicle

    1985 Mitsubishi L200
    Engine

    G63B
    The factory timing is 'o.k.' to set your base idle but it is not great for performance. Try retuning the ignition -

    http://www.mightyram50.net/vbulletin...ll=1#post56600

  3. #3

    Array
    Status
    Offline
    Join Date
    12-17-2016
    Posts
    14
    Location

    Thomasville, North Carolina
    Vehicle

    1987 Mitsubishi Mighty Max
    Engine

    G63B
    OK I'll try this. Thanks Geezer101!

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